GENERAL INDEX 



647 



Page 



chub, habits _. 343 



Reighard's _ 399 



river _ 160-167 



short-jawed _ 377 



spawning season _ 344 



statistics of the fishery 348 



Chydorus_. _ 137-167 



Ciona intestinalis 199-252 



Cirripedia _ 199-252 



Cisco 340,544 



Cisco 341,476 



Argyrosomus 476 



Leucichthys 476 



Cisco huronius, Leucichthys 477 



Cladocera _.. 117,127 



as food for fish 135 



Cladophorasp 199-252 



Clathroeystis 137-167 



Cloeocapsa _ 137-167 



Closterium__ _ 137-167 



acerosum 152 



moniliferum _ 152 



parvulum.. 152 



clupeaformis, Coregonus 515 



Leucichthys,. _ 341 



Salmo _ _ 515 



clupeiformis 340 



Coregonus 476,515 



Cocconema _ _._ 137-167 



cod... 253-296 



drift as indicated by eggs 270 



drift-bottle experiments. 277 



current movements. _ 278 



rate of drift _ 280,282 



records _ _. 280,284 



drift, coastal, in Gulf of Maine 255 



drift, definite. . _ 266 



eggs... 259 



distribution in Massachusetts Bay, 1924 and 



1925. 253-296 



drift 266,270,287 



drift indicated by 270 



enemies of 286 



pelagic 253 



production, local, in Massachusetts Bay 267 



size 291 



enemies _ 286 



food . 286 



fry, absence of 266 



enemies of 286 



larvae 253 



pelagic— 253 



spawning areas _. 259 



season 259 



Plymouth grounds 267 



Coelenterata __ __ 199-252 



Ccelosphaerium 137-167 



eommersonnii, Catostomus 160-167 



commissuralis, Obelia... __ 199-252 



common bullhead 121 



shiner... 160-167 



sucker 160-167 



Conchoderma aurita. 199-252 



virgatum. — 199-252 



cooglei, Notropis , 118 



Copelandellus f usiformis. 126 



copepods as food for fish _ _ 106 



Page 



corals as fouling for ships' bottoms 193-252 



Coregonid fishes of the Great Lakes 297-043 



characters, individual, variability of 315 



body contour 315 



brain box 324 



branchiostegal membrane and rays 326 



caudal peduncle 320 



color.. 321 



depth _ __ 3I6 



discussion of 328 



eye 325 



fins 318 



flesh 320 



gill rakers 326 



head form 322 



interspecific variations 328 



intraspecific variations ___ 328 



length __ 316 



mandible _ 325 



maxillary _ 324 



nares 326 



pearl organs _ 318 



premaxillaries. 321 



pyloric caeca 322 



scale rows 317 



scales in the lateral line 317 



snout.. 324 



teeth.. 326 



vertebrae 321 



width 316 



counts... 307 



data 299 



collection of_ 304 



description. _ _ 340 



fishing methods _ 304 



history, systematic 310 



material _ 299 



measurements _ 305 



nomenclature _. 305 



origin in basin _. 331 



physiological barriers between species 333 



segregation through different breeding habits 334 



segregation through different habitat selection 333 



speciation 331 



species 335 



analysis of _ 335 



Erie 339 



Huron 338 



Michigan.. _ 337 



Nipigon 335 



Ontario _ 339 



Superior 336 



determination of 314 



variability of 314 



Coregonus _ _. 515 



albus _ 476,515 



artedi _ 340,476 



clupeaformis _ 515 



Erie 535 



abnormal forms. _ 539 



abundance 538 



capture, method of _ 537 



description 535 



distribution, geographical 537 



habits, breeding. _ 538 



movements, seasonal _ 537 



variations 536 



