Index 
indentata, 277. 
inquinata,. 225, 243, 278. 
nasuta, 239, 243, 279. 
secta, 280. 
yoldiformis, 280. 
Mactracea, 282. 
Mactridae, 282. 
Mangilia, 344. 
angulata, 344. 
Marcia, 268. 
subdiaphana, 268. 
Margarites, 313. 
lirulata, 313. 
pulloides, 229. 
pupilla, 314. 
Martesia, 289. 
intercalata, 289. 
Megatebennus, 308. 
bimaculata, 308. 
Melanella, 314. 
micans, 314. 
Mitra, 339. 
idea, 339. 
Modiolus, 257; sp., 259. 
demissus, 223, 257. 
modiolus, 259. 
politus, 258. 
rectus, 258. 
Molluscan Fauna from San Francisco 
Bay, 199; preservation of mate- 
rial, 207; classification of, 208; 
method of study, 208-209; review 
of literature, 209-210. 
Environment: San Francisco Bay, 
210; physical, 210; biological, 
213; open ocean, 214. 
General character, 214. 
Distribution, 226-241; general, 226; 
influence of depth, 227; of tem- 
perature, 230; of salinity, 234; 
of character of bottom, 235. 
Quantitative analysis of the fauna, 
241-244, 
Summary, 244-245. 
Catalogue of species, 245-346. 
Literature cited, 347; explanation 
of plates, 359. 
Monia, 255. 
macroschisma, 255. 
Mopalia, 296. 
ciliata, 296. 
var. lignosa, 297. 
kennerleyi var. swani, 229, 297. 
muscosa, 297. 
wosnessenski, 298. 
Mopaliidae, 296. 
Moraghan, M. B., Oyster Company, 
acknowledgment, 4, 85. 
Morgan Oyster Company, acknowledg- 
ment, 4, 84. 
Murex, 334. 
carpenteri, 334. 
interfossa, 229, 335. 
lurida, 335. 
Muricidae, 334. 
Mya, 283. 
arenaria, 223, 243, 283. 
californica, 239, 243, 284. 
eancellata, 285. 
edulis, 239. 
Myacea, 283. 
Myacidae, 283. 
Mytilacea, 256. 
Mytilidae, 256. 
Mytilus, 256. 
californianus, 235, 256. 
edulis, 256. 
Nash, Louise, 209. 
Nassa, 331. 
fossata, 331. 
mendica, 332. 
perpinguis, 333. 
Nassidae, 331. 
Naticidae, 324. 
Nueula, 246. 
tenuis, 246. 
Nuculacea, 246. 
Nuculidae, 246. 
Nuttallina, 294. 
seabra, 294. 
Odostomia, 316. 
farallonensis, 317. 
franciscana, 222, 316. 
gravida, 317. 
inflata, 318. 
Olivella, 340. 
biplicata, 340. 
intorta, 340. 
pedroana, 341. 
Olividae, 340. 
Ostracea, 251. 
Ostrea, 251. 
elongata, 223, 252. 
lurida, 225, 239, 243, 251. 
virginica, 223. 
Ostreidae, 251. 
Ovulidae, 329. 
Oyster industry in San Francisco Bay 
region, 4, 5. 
Packard, E. L., 199. 
Pandora, 261. 
filosa, 261. 
Pandoridae, 261. 
Panope, 287. 
generosa, 287. 
Paphia, 270. 
staminea, 270. 
var. orbella, 271. 
var. petiti, 272. 
var. ruderata, 271. 
tenerrima, 272. 
Pecten, 253. 
hastatus, 253. 
latiauritus, 254. 
Pectinacea, 253. 
Pectinidae, 253. 
Pedicularia, 329. 
californica, 329. 
