INDEX. 
503 
Page. 
Northwest Cape of Unimak 280 
Notice of the occurrence of Protozoan Para- 
sites (psorosperms) on Cyprinoid Fishes 
in Ohio. By Edwin Linton 359-362 
Notropis megalops... 359 
Noturus miurus SSg 
Nushagak Packing Company 285 
Nushagak Kiver 284 
On Yick Company 93 
Oyster beds in deep water 161, 163 
Gulf of California 97 
Oyster-planting in southern California 95, 97 
Oysters of Gulf of California 98 
Oyster tongs for deep water 161, 162 
improved form of 161 
Pancritius, Dr 85, 86 
Pearl-divers’ methods 91 
perils 93 
Pearl fishery, Gulf of California 91 
Lower California 93 
fleet 92 
Pearl- fishing season 91 
Pearl oyster 92 
Pearls 92 
Pearl-Shell Company 91, 92 
Pearl, valuable 94 
Pecten brunneus 314 
clintonius-- 314 
fuscus 314 
irradians 314 
islandicus 314, 319, 476 
magellanicus 314, 319 
principoides 314 
tenuicostatus 314 
Pelagia cyanella 412 
Pelecanus erythrorhynchus 344 
Perenyi’s fluid 210 
Physical investigations off the southern 
coast of New England, made during 
the summer of 1889 by the U. S. Fish 
Commission schooner Grampus 391-459 
Purpose and plan of the investigation. 391-393 
Description of the Grampus 393-394 
Appliances used in the work 395-397 
The sounding apparatus 394-395 
Meteorological instruments 395-396 
Instruments for serial temperature 
observations 396 
Instruments for specific-gravity 
observations 397 
Instrumental corrections, reduction of 
observations, etc 397-398 
Page. 
Physical investigations, etc. — Continued. 
Discussion of the records 399-407 
Manner of keeping the records 399 
The metereological records 399-407 
Report upon atmospheric electricity, 
by W. F. Magie 408-410 
Report upon the zoological collections, 
by W. K. Brooks 411-412 
Record of serial temperatures and den- 
sities 413-427 
Tables of meteorological records 428-450 
Tables of water-temperature curves 451-459 
Pinnotheres inaculatum 318 
ostreum 318 
Port Haiden 283 
Polar capsules of Biitschli 100 
Port Moller entrance 281 
Port Moller, Herendeen Bay and vicinity _ 281 
Progrumnoi Volcano 280 
Protection Point pilot station 284 
Protozoans, parasitic 99,359 
Psorospermise, bibliography of 102 
Psorosperms causing excrescences 99, 101 
filaments of 101 
Pteropoda 412 
Pyrosoma 411, 412 
Rainbow trout in Gibbon River 58 
Rana septentrionalis 58 
Rathbun, Richard 318, 366 
Rettger, Louis 372 
Rhizophysa 412 
gracilis 412 
Rock wood, Prof. C. G 392 
Roelker, Passed Assistant Engineer C. R., 
quoted 282 
Round Island 285 
Round-Tail 6, 22, 24, 27 
Rogers, James B 392, 394 
Rowe, H. C 467 
Ryder, Prof. John A 485 
Salario, S. Z 93 
Salmo mykiss 65, 72, 78, 79, 339, 340, 344, 352 
Salmon and salmon rivers of Alaska 165 
fisheries of Alaska 165 
land-locked 6 
white (Ptychocheilus) 22, 24, 28 
Salpa 411,412 
caboti 411 
clotho 411 
n. sp 411 
pinnata 411 
San Joaquin Bay 96 
Santa Ana River 96 
