854 
GENERAL INDEX 
Page 
Davidson, Frederick A. and Leroy S. Christey — Con. 
Pink-salmon tagging experiments in Clarence Strait 
and adjacent waters, 1924-32 646 
Tagging experiments in the vicinity of Cape Fox. . 648 
Tagging experiments in the vicinity of Cape 
Chacon.. 649 
Tagging experiments on Oravina Island and in the 
vicinity of Kasaan Bay ... 651 
Tagging experiments in the vicinity of Cape 
Muzon. 654 
Pink-salmon tagging experiments in Clarence Strait in 
1935 and 1936 654 
Summary of Cape Chacon experiments 660 
Pink-salmon tagging experiments in Sumner Strait, 
1924-36 661 
Tagging experiments at Ruins Point and Cape 
Decision 062 
Tagging experiments at Point Colpoys 664 
Summary of Point Colpoys experiments 665 
Davidson, Frederick A.: The homing instinct and age at 
maturity of the pink salmon (Oncorhynchus gorbuscha) ... 27-39 
Marking the pink salmon fry 28 
Interpretation of results from marking experiments 29 
Homing instinct 29 
Age of pink salmon at maturity 34 
Pink salmon marking experiments in British Columbia 36 
Decapterus macarellus 331 
deep-sea angler 342 
Detection and measurement of stream pollution . ... 365-437 
dog salmon 667,695,813-815,820 
dogfish, smooth 321 
spiny 322 
dolphin, common 332 
drum, banded ..... 84 
star 75 
eelpout 337 
eel, American conger 326 
Anguilla rostrat a 326 
rock 336 
snake 326 
wolf 338 
Ellis, M. M,: Detection and measurement of stream pollu- 
tion 365-437 
Stream pollutants and aquatic environment 366 
Physical and chemical characteristics of waters suitable 
for fresh-water stream fishes 366 
General field methods _ 368 
Equipment 370 
Dissolved oxygen 370 
Hydrogen-ion (pH) limits. 379 
Ionizable salts 383 
Specific conductance 383 
Carbon dioxide 386 
Iron — 390 
Ammonia 391 
Suspensoids 394 
Depths 396 
Bottom conditions as affected by stream pollution. 398 
Action of pollutants on fishes 400 
Injuries to gills and external structures 400 
Pollutants entering the body of the fish and exert- 
ing true toxic action 402 
Lethality of specific substances occurring in stream 
pollutants 403 
General consideration 403 
Test animals 404 
Water types.. 406 
Specific lethality tables 408 
Lethal limits of 114 substances which may be found in 
stream pollutants 417 
Enchelyopus chimbrius 339 
Etrumeus sadina.. 327 
Page 
filefish.... ._ 334 
Fishes of the Gulf of Maine, supplemental notes on 319-343 
Fist.ularia tobacaria.. 328 
fish: 
alewife 327 
anchovy 327 
striped 328 
Argentine 328 
banded blenny ... 603 
barracuda, northern 329 
bass, rock 213 
sea 333 
striped 333,825-851 
black bass, largemouth 213 
smallmouth 213 
blenny, banded 603 
snake. 336 
blennies (family Blenniidae) 573-611 
blueback 327 
bluefish. 332 
bluegill 213 
bonito, common 330 
burbot 213 
butterfish . . 332 
chimaera 326 
cisco 211-317 
lake herring 213 
or chubs 213 
cod 338 
cusk 339 
dab, rusty.. . . 340 
deep-sea angler 342 
dogfish, smooth ... 321 
spiny... 322 
dolphin, common 332 
drum, banded 84 
star 75 
eel, American conger 326 
Anguilla rostrata 326 
rock 336 
snake.. 326 
wolf - 338 
eelpout 337 
filefish 334 
flounder, four-spotted .... 340 
Georges Bank... 341 
Gulf Stream 341 
winter 340 
witch ... 341 
gobies (family Gobiidae) 543-573 
goosefish, American. . . . 341 
grenadier, common... 340 
haddock 339 
hagfish 321 
hake - 612 
long-finned 339 
silver.. ... 338 
spotted 339 
hardtail 331 
harvestfish 333 
herring, lake 213 
round 327 
thread 327 
kingfishes, or whitings 51 
lake herring 213 
lamprey, sea 321 
lancetfish 328 
leatherjacket 332 
lookdown 332 
mackerel — 329 
Spanish. 508 
marlin, spearflsh 330 
needlefish - 328 
