Vol. VI.] 



INDEX 



conradiana, MacrocalHsta, 11 

 Conns cowlitzensis, 13 

 hornii, 12 

 remondii, 13 

 weaveri, 13 

 species, 2 

 Cook, Melville T., 246 

 Coombs, Mrs. A. L., 246 

 Cooper, Dr. J. G., 68, 219, 220 

 cooperii, Cardium, 11 

 cooperii, Dentalium, 2 

 coosense, Argobuccinum, 38 



Cardium, 35 

 coosensis, Pecten, 32, 36 



Turris, 40 

 Corbicula cowlitzensis, 11 

 corbiculatum. Gyrineum mediocre, 39 

 Corbula hornii, 11 



new species, 11 

 species, 2 

 Corwin, Charles Abel, 266, 268, 270, 



272, 274, 284 

 costata, Cylichna, 12 

 cowlitzensis. Bursa, 12 

 Conus, 13 

 Corbicula, 11 

 Crassatellites, 11, 28, 35 

 Ficopsis, 13 

 Lunatia, 13, 29 

 Murex, 13 

 Nerita, 13 

 Pecten, 12 

 Surcula, 14 

 Coyote Group, 288 

 Crassatellites compacta, 11 



cowlitzensis, 11, 28, 35 

 dalli, 11 

 grandis, 11 

 merriami, 11 



washingtoniana, 11, 28, 29, 35 

 species, 2 

 crassulus, Plethodon, 218, 219, 220 

 Crenella porterensis, 28, 29, 30, 35, 



51 

 Crepidula pileum, 12 



praerupta, 31, 32, 38, 51 

 princeps, 38 

 new species, 12 

 croceater, Plethodon, 219. 220, 221 

 Crocker, Hon. William H., 224, 227, 



230, 237, 246. 290 

 cruciatus, Ovthotyhis, 89, 119, 128 

 Crustacea, 40 



Cryptomya oregonensis, 35 

 washingtoniana, 35 

 Cuma biplicata, 38 

 cuneata, Lopidea, 123 

 cuneatus, Orthotylus, 89, 117, 128 

 curtus, Solen, 28, 37, 51 

 Cylichna costata, 12 



297 



Cylichnella petrosa, 38 

 Cymatium pacificum, 38 

 Cyrene brevidens, 11 

 Ball, Dr. W. H., 21, 42 

 dalli, Crassatellites, 11 

 Nucula, 36 

 Pitaria, 28, 29, 36 

 dalliana, Cancellaria, 32, 38 

 Dana, James D., 20 

 Deer Group, Columbian Black-Tailed, 



266 

 Deer Group, Rocky Mountain Mule, 



268 

 delazinensis, Calliostoma, 38 

 densata, Mulinia, 32 

 Dentalium conradi, 29, 32, 37, 51 

 cooperi, 2 



stramineum, 12, 28, 37 

 Desert Bird Group, 294 

 Desert Mountain Sheep Group, 274 

 Desert Wren, 63, 83 

 diaboli, Semele, 12 

 diaphanus, Orthotylus, 89 

 Dieamptodon, 221 



ensatus, 221 

 dichotomus, Septifer, 12 

 Dickerson, Dr. Roy E., 3, 15, 225, 241, 



247, 255 

 dickersoni, Exilia, 13, 28, 29, 39 

 dilleri, Thracia, 2, 12 

 Diommatus, subgenus, 107 



angulatus, 116 

 Diplodonta parilis, 32, 35 



polita, 11 

 directus. Modiolus, 30, 51 



Mytilus, 36 

 Dome, Mrs. Nelly W^aterhouse, 247 

 dorsalis. Orthotylus, 89. 103, 106, 107, 



109, 110, 112, 113, 115, 120, 128 

 dorsalis group, 89 

 Drake, C. J., 247 

 drakei, Paohyhilus, 14 

 Drillia chehalisensis, 38 

 hecoxi, 29, 30 

 ornata, 1 3 



stanfordensis, 29, 44 

 drymoecus, Thryomanes bewicki, 53, 

 56, 60, 61, 64, 65, 66, 67, 68, 69, 

 70, 72, 75, 81 

 Dunne, Peter F., 224 

 Durden, H. S., 247 

 Eastwood, Miss Alice, 247, 251 

 Echinodermata, 40 

 Edwards, Dr. Charles Lincoln, 224 

 Elk Group, San Joaquin Valley, 266 

 tlongata, Rimella, 14 

 elongatus, Plethodon, 216, 219 

 Englehardt, G. P., 120 

 English, W. A., 247 



