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Barnacles of Laguna Beach, 212.

Notes on the Eggs of Some Laguna Beach Invertebrates, 215.

Preliminary Notes on Some Marine Worms Taken at Laguna Beach, 217.

Studies in the Comparative Size of the Red Blood Corpuscles of Birds, 221.

Caprellidae from Laguna Beach, 222.

Short Notes, 233.

Additional Notes on the Birds of Laguna Beach, 235.

A New Dipterous Gall on Stanleya, 240.

Hydroids of Laguna Beach, 242.

Summer School at Laguna Beach, 245.

Index to Volume VI

Acarina, 55. Achorutes, 165. californica, 165. citri, 166. Actitis macularius, 237. AEgialitis novisa, 237. semipalmata, 237. Aglaophenia inconspictus, 243. Aglaophenia struthionides, 243. Alexander, C. P., 12, 105. Ammodramus savannarum bimaculatus, 238. Anisomera longicornis, 21. Antenella avalonia, 243. Aplonyx sarcobati, 93. Aphoruridae, 168. Aphorura, 170. lutea, 170. montis, 171. Arrhenica spinosa, 27. Asterina miniata, 211. Astroglinus tristis salicamans, 238. Asteropecten erinoceus, 211. Atemnus hirsutus, 203, 195.

Bacon, G. A., 45, 84, 137. Balanus nubilus, 213. tintinnabulum californicus, 212. Banks, Nathan, 55. Barnacles, 212. Bdellidae, 55. Bdella utilis, 55. Bean, A. M., 242. Birds, Laguna Beach, 235. Buteo borealis colurus, 237.

Caligonus terminalis, 57. Canestrinidae, 61. Canestrinia blattophaga, 61. Campanulariidae, 244. Campodea montis, 86. kelloggi, 91. folsomi, 91. Caprellidae, 222. aequilibra, 224. geometrica, 222. septentrionalis, 223. Catoptrophorus semipalmatus inornatus, 237. Centrochares horrificus, 69. Centrotoscelus, 72. typus, 73. Ceryle alcyon, 238. Chelanops acuminatus, 193. lagunae, 42, 193. paludis, 81, 193. pallipes, 193. serratus, 193. Chelifer cancroides, 187. fuscipes, 188. scabrisulus, 192. Cheyletidae, 56. Cheyletus cocciphilus, 56. Chloraemidae, 219. Cinura, 86. Cirratulidae, 219. Cirratulus robustus, 219. spirobranchus, 219. Clymenella rubrocincta, 219. Coccidae of Japan, 1, 48, 133. Cockerell, T. D. A., 240. Collembola, 137. Corpuscles, birds, 221. Corvus corax sinuatus, 238. Crane flies, 12, 105. Cryptaspidia pubera, 69. tagalica, 69. Cunaxa aramata, 55. Cyphodeirus, 162. albinus, 162.

Diptera, 12, 105. Disparipes apicola, 61. Drepanura, 154. californica, 155.

Eggs, invertebrates, 215. Entomobrya, 155. binoculata, 157. chitellaria, 158. laguna, 160. multifasciata, 158. sexoculata, 156. Entomobryidae. Entrychocampa wilsoni, 92. Eriocera, 12. fultonensis, 30. longicornis, 21. macquart, 12. spinosa, 27. Eriococcus festucae, 2. Essig, E. O., 76. Eunicidae, 218. Euphrosyne aurantiaca, 218. Euphrosynidae, 218. Eusmatura pamoicensis, 236. Evalljapyx propinquus, 92. Ewing, H. E., 121.

Felt, E. P., 93. Fish, Laguna Beach, 233. Funkhouser, W. D., 67.

Gardner, L. L., 235. Gardner, R. E., 86. Gargara, 69. luteipennis, 71. nigro-fasciata, 70. nitidipennis, 71. pulchripennis, 70. tuberculata, 70. varicolor, 69. Gavia, 235. immer, 235. pacifica, 236. Glyceridae, 219.

Haliaetus leucocephalus leucocephalus, 237. Halosydna, 217. californica, 217. insignis, 217. Hamilton, W. F., 217. Harmothoe hirsuta, 218. Hemipodia borealis, 219. Hermellidae, 219. Heteractitis incanus, 237. Hilton, W. A., 38, 95, 134, 198. Himantopus mexicanus, 236. Hirundo erythrogastra, 238. Hughes, S. P., 212. Hydroids, 242.

Ideobisium threveneti, 196. Ideoroncus obscurus, 196. Isotoma, 145. aquae, 147. aspera, 149. besselsii, 148. bidenticula, 147. catena, 152. minima, 149. palustris, 153. viridis, 150.

Japan, Coccidae of, 1. Japygidae, 92.

La Follette, R., 204, 222. Laguna Beach, 245. Larus heermanni, 236. Lecanium pseudomagnoliarum, 7. Lecanium magnoliarum, 7. Lecythorhynchus, 134. Lepas anatifera, 214. fasciculatus, 214. Lepidasthenia gigas, 217. Lepismidae, 92. Leptrocentrus reponens, 69. Lichti, P. A., 215. Linckia columbiae, 209. Liogma nodicornis, 105. Lloyd, J. T., 12. Lumbriconereidae, 218. Lumbriconereis erecta, 218.

McFadden, E. T., 50. Macrorhamphus griseus scolopaceus, 236. Macrocheles sublaevis, 59. Map--Claremont-Laguna, 144. Melanerpes formicivorus bairdi, 238. Membracidae, 57. Mergus serrator, 236. Mitella polymerus, 213. Mola mola, 233. Moldanidae, 219. Moles, M. L., 42, 81, 187. Mycochanes richardsoni richardsoni, 238. Neanura, 168. gigantea, 45, 95. Nebalia, 204. Nematoda, 220. Nemertinea, 220. Nereidae, 218. Nereis agassizi, 218. virens, 218. Nervous system, 38, 95, 134, 198.

Obisium macilentum, 195. Ordemia deglandi, 236. perspicillata, 236. Ophiomegistus, 58. luzonensis, 58. Orthasterias gonolena, 209. Otus asio bendirei, 237.

Pandion haliaetus carolinensis, 237. Pennariidae, 242. Parasitidae, 58. Parasitus inaegualis, 59. Perrisia stanleyae, 241. Phenacoccus azaleae, 1. Phyllodocidae, 218. Pisaster capitatus, 209. Pisaster ochraceus, 209. Pionosyllis elongatus, 217. Plumulariidae, 243. Plumularia lagenifera, 243. setacea, 243. Poduridae, 164. Polyaspis lamellipes, 58. Polychaeta, 217. Polynoidae, 217. Popirius, 144. Porichthys notatus, 233. Protodiaspis, 76. agrifolia, 76. Pseudoscorpion, 42, 81, 187. Pseudosira, 164. domestica, 164. Pulvinaria, 3. citricola, 3. idesiae, 6. okilsuensis, 5. photiniac, 4. Pycnogonida, 134. Pyrgonota bifoliata, 67.

Rivers, J. J., 98. Rhyncholophidae, 56. Rhyncholophus moestus, 56.

Sabellidae, 219. Sabellaria californica, 220. Schmardanella californica, 219. Sea urchins, 234. Serpulidae, 219. Sertularia fuscata, 243. tricuspidata, 243. Sertulariidae, 243. Sinella, 145. curviseta, 145. Sipylus nodipennis, 72. Smynthuridae, 143. Smynthurus, 144. Spider, 121. Starfish, 209. Syllidae, 217.

Tarsonemidae, 60. Tarsonemus approximatus, 60. assimilis, 60. Terrebellidae, 219. Tetranychidae, 57. Tetranychus simplex, 57. telarius, 121. Tipulidae, 12, 105. Tomocerus, 161. bidentatus, 162. vulgaris, 161. Tricentrus, 67. convergens, 68. fairmairei, 67. pilinervosus, 68. Tubularia, 242. Tullbergia, 84, 171. collis, 172. Turbellaria, 220.

Wang, Chi Tsau, 221. Worms, 217.

Xenylla, 38, 166. collis, 167. paludis, 168. Xylococcus napiformis, 1.

Pseudoscorpions in the Claremont-Laguna Region

MARGARET M. MOLES

Many individuals may be found in a certain vicinity. In the valleys where oak and sycamore trees grow abundantly there can be found as many as seventy-five on the lower trunk of one tree. They are all of one or two species. In all the student collections that have been carried on here in college for the last ten years there have never been more than four or five species collected. It was only through special collection that the other species were found. Very few were found under stones, where they are so often spoken of as living, and few were found among fallen leaves. Some were collected in rotten poplar and pine logs. In the marshy ground at Chino they were found under leaves and stones and were very abundant on the poplar trees.

The distribution of the pseudoscorpions extends from an altitude of 5000 down to within ten feet of the ocean.

Concerning their habits of living little can be found. Many small spiders were found in their claws, also the small mites that live underneath the bark of trees. Several experiments were tried with some that were brought into the laboratory. The results were:

The whole body is heavily granulated, the cephalothorax having knob-like protuberances all along the edges.

Cephalothorax and palpi reddish brown, with short but not clavate hairs; no eye spots; pedipalps rather short, hand evenly convex on inner side at base, fingers much shorter than the hand and quite stout. 3 mm. long.

This species was described in the March number of this Journal, 1914.

This species was described in the June, 1914, number of this Journal.

The very broad form of the abdomen is characteristic.

This was found on poplar trees and in poplar logs in the Chino swamp.

The naming of this species is based on the short "saw-like" hairs that are all over the body. They are not globular on the end, as the clavate hairs, but have "saw-like" edge.

This specimen was found on the window pane of the Pomona College greenhouse. A fly lit on the pane and the pseudoscorpion caught its legs and clung while the fly crawled about. This is the only one of its kind that has been found.

Described by Banks in this number of the Journal. Only one specimen of this species was taken. This is the species found nearest the ocean. The broad hand is quite evident. Found ten feet from the ocean, among stones, at Laguna Beach.

This differs slightly from that described by Banks in that:

Some Points in the Nervous System of a Large Deep Water Crab

WILLIAM A. HILTON

A gross and microscopical examination of the nervous system gave much the appearance of these organs in other decapods, but the remarkably small size of the brain or head ganglion was especially noticeable. The nerves connected with this ganglion were long and slender. The optic was large, the tegmental a little smaller and the first antennal about as large as this last. Closely associated with the optic was the small oculomotor, and near the connectives the small second antennal. Other small nerves were connected with the brain, whose courses were not traced, including a pair of small frontal nerves.

The connectives with the thoracic-abdominal ganglion were long and slender, with each its small ganglion a short distance from the brain. A cross connection between these connectives was not seen. It may have been broken in the dissection.

The thoracic-abdominal ganglion has many nerves connected with it, as shown in the figure; the largest of these were traced to the legs and upper thoracic appendages. The legs are large and heavy and the nerve trunks in them are large; their combined bulk would probably be many times that of the ventral ganglion.

So far as studied, the internal arrangement of tracts and cells does not differ materially from the classic descriptions of Bethe in another species. One thing especially noteworthy is the fact that the nerve cells do not seem especially large, nor are the large ones numerous.

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