6i4 
GENERAI. INDEX. 
Page. 
Pomacentridae, scales 165 
Pomolobus chrysochloris, host of fresh-water mussels 104 
Porgies, scales 160 
Priacanthidae, scales 160 
producta, Eloactis 245 
Proteins, food value 175-182 
Ptery gioteuthis 332 
microlampas 332 
Ptychocheilus grandis 62 
Pyroteuthinae 332 
rapiformis, Paractis 238 
Red salmon, age at maturity 5 
regalis, Cynoscion, food value of, proteins 175-182 
Salmo, new species 26 
Remoras, scales 169 
Rhyncoteuthion 341? 343 
riisei, Brachioteuthis (Tracheloteuthis) 336 
Sagartia abyssicola 243 
luciae 241 
modesta 240 
Sagartidae 235 
Salmo irideus 70 
regalis, new species 26 
Salmon, age at maturity 3-22 
alimentary tract 73-100 
anatomy and histology 73-100 
Pacific, age at maturity 3-22 
Salmonid^, scales 125 
Sand rollers, scales 14S 
sargassensis, Anemonia 239 
Sauries, scales 145 
Scasurgus 304 
patagiatus 305 
Scaphirh^mchus platorhynchus, host of fresh-water mus- 
sels 106 
Scarids, scales 167 
Sciaenidae, scales 162 
scolopes, Euprymna 312 
Scombresocidae, scales 145 
Scombridae, scales 149 
Scorpasnid^, scales 170 
Scorpion-fishes, scales 170 
Sculpins, scales 171 
Seabasses, scales 158 
Sea robins, scales 171 
sellaris, Hadropterus, new species 31 
Sense of smell in fishes 33-46 
Sepiolidae 31 1 
Sepiolinae 311 
Sepioteuthis 308 
arctipinnis 308 
Serranidae, scales 158 
Sheepshead, host of freshwater mussels 105 
Shellfish, oxygen requirements 207-222 
Silver salmon, age at maturity 15 
Silversides, scales 146 
sipunculoides, Edwardsia 247 
Sirenids, scales 121 
Skipjack, host of freshwater mussels 104 
Smell, sense in fishes 33-46 
Page. 
Smelts, scales 126 
Snappers, scales 160 
Sockeye salmon, age at maturity 5 
Soleidae, scales 171 
Soles, scales 171 
Spadefishes, scales 167 
Sparidae, scales 160 
Sphyraenidffi, scales 146 
Squeteague, food value of proteins 175-182 
Squirrel-fishes, scales 148 
Stoloteuthinae 315 
Stoloteuthis 315 
(Iridoteuthis) iris 316 
Stromateidae, scales 150 
Sturgeon, host of fresh-water mussels 106 
subditus, Hesperoleucus 67 
Suckers, scales 139 
Sunfishes, scales 150 
Surf-fishes, scales 164 
Surmullets, scales 162 
Symplectoteuthis 341 
oualaniensis 341 
Synaphobranchidae, scales 127 
Synodontidae, scales 126 
Tahoe trout, new species 23-28 
Tar, effect on oysters 199-206 
Tarpons, scales 122 
Tealia crassicomis 244 
Tealidas 235 
Teleoteuthis 323 
compacta 324 
Temperatures, New York lakes 532 
Ten-pounders, scales 122 
Threadfins, scales 147 
Thyroid carcinoma in fishes 363-524 
Topography, New York lakes 532 
Trachichyidae, scales 148 
traski, Hysterocarpus 71 
Tremoctopodoniae 281 
Tremoctopus 281 
violaceous 281 
tridentatus, Entosphenus 56 
Trigger-fishes, scales 168 
Triglidae, scales 171 
trigonura, Abralia 329 
Trout from Lake Tahoe, new species 23-28 
“Trouts” (New Zealand), scales 172 
tschawytscha, Oncorhynchus 70 
Umbridae, scales 141 
Vegetable oils, properties 183-198 
venustus, Hesperoleucus 64 
verrilli, Actinauge 249 
violaceous, Tremoctopus 281 
Water-gas tar, effect on oysters 199-206 
Weakfish, food value of proteins 175-182 
Wolf-fishes, scales 172 
Woods Hole, Anthozoa 223-254 
Wrasses, scales 166 
Zoantharia 233 
Zoantheae 234 
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