494 



INDEX. 



Page. 



Iferophis annulatus 12 



lunibi-icilbrmis 12 



ophirtion 11 



papacinus 11 



teres 12 



New England Isopoda, notes on, by Oscar 



Harger. 157 



marine invertebrata distrib- 

 uted by tbe U. S. l""ish Com- 

 mission 227 



Nonostoma vinctipes 230 



zoiiale (PoecOicbthys zonalis) . . . 236 



Norman, A. M ^ 158 



Norwegian Government 17, 18 



Notemigonus 225 



americanus 119, 154 



chrysoloucus 225 



gardoneus 225 



Nothria concbylega 228 



opalina 228 



Notomastus 181 



acutus 181 



filiformis 180 



capillaris 181 



gracilis 180 



Nucula proxima 231 



NjTnphon hirtum 227 



O. 



Obelia dicbotoma 230 



geniculata 229 



Oblata melanura 27 



Ocyurus melaniirus 114 



Odontopyxis trispinosus 328 



Odontosyllis 170 



liicifera 170 



Oligoplites occidentalis 339 



Dlsen, Capt. Thomas 345 



Ommastrcphes illecebrosa 230 



Ommatoplea Stinipsoni 184 



Oniscidaj 157 



Oniscus psora 101 



Opbiacantha bidentata (= O. spinulosa) 203 



millespina 203 



Opbichthys 343 



pixnctifer 154 



Opbidiidffi 14,110 



Opbidium barbatum 14 



basalli 15 



Ophiocepbalus punctatus 324 



Opbioglypha Sarsii 229 



robusta 229 



Opbionemertes agilis 183 



Ophiopbolia aculeata 229 



Opbiuroidea 229 



Opisthonema tbrissa 119, 151 



Orcyuus alliteratus Ill, 128 



Orientalis 218 



Ortbagoriscida; 109 



Osbome, S.D 7 



Osmeriis arcticus 32 



eperlanus 33 



Osiibromenidaj 25 



Ostracidi 209 



Ostracina; 262, 269 



Page. 



Ostracion 261, 262, 263, 264, 265, 268, 209, 281 



(acanthostraclon) arena .-. 282 



(acantbostracion) quadricornis ... 278 



acub'atus 261 



arcus 267, 271, 282 



argus 263 



bicaudalis 262, 207, 270, 274, 276 



bicnspis 266 



concatenatus 263, 265, 266, 267 



romutum 262 



comutus 263, 200, 207, 268, 278, 282 



cubicus 201, 203, 265, 267 



cyanurus 263 



diapbanus 263, 267 



expansum 276 



Fomasini 263, 207 



gibbo.su8 263, 281, 282 



Gronovii .278, 279, 280 



giuueensis 265, 278, 280 



hexagonus 201 



(La-topbrys) undulatus 276 



Listeri 278 



maculatus 278, 280 



na.sus 265, 267 



Dotacan th us . . . .' 279, 281 



ornatus 207 



oviceps (= 0. trigonus) 263 



prior (or alter) 281 



punctatus 261, 263, 267 



polyodon inermis triqneter 271 



polyod(m 276 



quadricornis .... 109, 122, 202, 264, 265, 207, 

 270, 276, 278, 279, 280, 281 



Eenardi 267 



rliinorbyuchus -267 



sebaj 267 



Sebea 2G3 



stellifer 206 



solorensis 207 



sex-comutus 278 



tetragonus 264, 265 



(Tetrosomus) turritus S... 281 



triconiis L. (=0. maculatus) 279 



tricomis 278, 280 



trigonus 1 09, 267, 176, 277, 333 



trigonum 276 



tri(iueter 270 



tri(inotu .261, 202, 263, 265, 267, 278 



tri(iuecrura 271 



tuberculatus 263 



turritus 262, 264, 270, 281-, 282 



yalei 264,276 



Ostraciones 269 



polyodontes 269 



Ostraciontidas . 109, 122, 269, 333 



a study of tbe 261 



notes on the Amencan 261 



Ostraciontini 209 



Ostracionts 203 



Ostracodermi 268 



Ostrea 293 



(alectryonia) blacki 293 



bellaplicata 293 



virginiana ., 231 



Ostreidte 294 



