GENERAL INDEX. 



339 



Page. 



Notes on habits and development of eggs and larva? of the 

 silversides Menidia menidia and Menidia beryllina. . . 113-120 



nudibranchs 130 



Nuphar advena 23,29 



Nymphea odorata 23, 29 



obediens, Tanytarsus 16.47 



obsoleta, Ilyanassa 218 



odorata, Castalia 23,27,28,29,51 



Nymphea 23,29 



Oncorhynchus gorbuscha, O. keta, O. kisutch. O. nerka, 

 O. tschawytscha, see salmon of the Yukon River. 



Orphnephila 48,49- 50-52 



americana 52 



testacea. 48, 52 



Orphnephihdai 2,48,50 



Orthocladius 33.35 



feeding habits 35 



figures, explanation of 5* 



larval characters 35 



ostracods 214 



oyster drill 216 



oysters, association with sea mussel 220 



conchs as enemies of 217 



cultch 223 



cultivation, available fields 214 



drills as enemies of 216 



enemies 130. 216, 217 



fishery 83,131 



food 203 



determination of Quantity, method 209 



discrimination MS 



East ropods as enemies of 130 



length of life 130 



shells, value in 1908 131 



spat 223 



starfish as enemy of 216 



systematic position 129 



winkles as enemies of 217 



young 85186 



Palinuridae 282 



pallidas. Lepomis 77 



Panopeus 220 



pantopods 214 



Panulirus argus, see spiny lobster, etc. 



parvula, Champia 219 



pearls, fresh-water mussel, value in 1908 131 



pedellus, Chironomus 16 



Perca flavescens 263 



perch, yellow 263, 268 



peridinians 2 °6, 209 



periwinkle l 3°> 22 ° 



phytoplankton 204, six, 214 



Pimephales notatus 263 



Plagiola donaciformis So 



planarians 2I 4 



plankton. . . 73,82, 125. 203. 205,206, 207, 208, 210, an, 212,213. 214 



plantago, Alisma l6 



plicata, Quadrula 74 



plicatula. Modiola 128, 220 



Polychseta 214 



Polydora ciliata 220 



Polyzoa 82. 129 



Pomoxis annularis 77. 263, 269 



sparoides 72. 77. 263. 269. 280 



Porifera "4 



Potamogeton crispus 2 3 



Page. 



praecox. Prodiamesa 36 



prawns 3 n 



Prodiamesa 36 



body structures 36 



feeding habits 37 



figures, explanation of 53 



mouth parts 36 



praecox 36 



Propagation, artificial, and natural history of the dia- 

 mond-back terrapin, further notes on 91- 112 



Protophyta 205. 206 



Protozoa is. 46, 203, 205, 206, 209, 276 



Pseudopleuronectes americanus, sec winter flounder, etc 



punctatus, Ictalurus 74, 263, 269 



Purpurea lapillus 2 16 



purpurea, Sarracenia j$ 



pusio, Tanytarsus 17, 18, 19, 21 



pustulosa, Quadrula 65, 74, 75, 76 



Quadrula 129 



heros 65, 79 



plicata 74 



pustulosa 65, 74, 75, 76 



quahogs 203 



radiolarians 206 



ramosum, Sparganium 16 



rectus. Modiolus 129 



regia, Victoria 24 



rhabdocoels 75. 81 



Rhabdomia tenera 219 



Roccus chrysops 263, 269, 280 



rock lobster 282 



Rossi a 130 



rough lobster 282 



saccharina, Laminaria 219 



salamanders 3 



salmoides, Micropterus 72, 263, 269, 280 



salmon 122, 124 



Atlantic 124 



Salmon of the Yukon River 317-332 



chinook, sec king below. 



chum or dog (Oncorhynchus keta) 318, 325 



growth 329 



maturity, size at 329 



scale readings 329 



sexes, proportions of 327 



travel, rate of 326 



year classes 326 



coho or silver (Oncorhynchus kisutch) 318, 33 1 



dog, see chum above. 



humpback (Oncorhynchus gorbuscha) 318, 332 



king or chinook (Oncorhynchus tschawytscha) 318 



growth 320 



maturity, age at 320 



travel, rate of 318 



material obtained 318 



object of investigation 3*7 



Oncorhynchus gorbuscha, see humpback above. 

 keta. see chum above. 

 kisutch, see coho above, 

 nerka, see sockeye below, 

 tschawytscha, see king above. 



red, see sockeye below. 



silver, sec coho above. 



sockeye or red (Oncorhynchus nerka) 318,330 



species studied 3*8 



