290 



The Biological Society of Washington. 



Page 

 Pollard, C. L. : A publication problem, xi 



Portumnus latipes 159 



Portunus 155, 160 



Portunus pelagicus 160 



Potamarchus 248 



Potamys 262, 265 



Potos 174 



Praotherium 254 



Praticola 259 



Prea 247 



Procardia 250 



Procardiatherium 247 



Procavia 247 



Prolagus 262 



Prolagostomus 248 



Prosopisjuliflora xi 



Protechimys 269 



Protechynus 270 



Protoptychus 270 



Protoxerus 267 



Psammomys 257, 259 



Psammoryctes 262, 265 



Pseuderiphia 164 



Pseudoconomys 260 



Pseudomys 260 



Pseudoneoreomys 262, 265 



Pseudosciurus 265 



Pseudostoma 251 



Pseudotomus 253 



Psoralia tenuiflora xi 



Pteromys 267 



Pterotix 267 



Ptyssophorus 261 



Puccinia graminis avenae viii 



graminis tritici viii 



Puffinus assimilis ix, 69 



auduboni 70 



elegans 70 



obscurus 70 



subalaris 70 



Putorius cicognani 240 



Pygeretmus 249 



Pyria 164 



Pyromaia.... 167 



Quamasia cusickii 64 



esculenta 64, 65 



howellii 65 



hyacinthina 65 



leichtlinii 63 



quamash 64 



Raia obtusa 231 



iuterrupta 232 



rosispiuis 231 



Haplioiiotus 166 



Rathbun, M. J.: American Sesarmse... 89 



American species of Ethusa... 109 



New species of Cancer and 



note on Sesarma in 



African crabs of genus Calli- 



nectes 149 



Nomenclature of Brachyura... 153 



Rattus 261 



Ratufa 267 



Reithrodon 256 



Reithrodontomys 256 



Rheithrpsciurus 267 



Rhinpsciurus 267 



Rhipidomys 256 



Rhithrodon 256 



Rhithrosciurus 267 



Rhizomys 268 



Page 



Rhodia 165 



Rhogeesa mluiitilla 139 



tumida 139 



Rhombomys 257 



Rhynchomys 261 



Richardson, Harriet : New species of 



Sphseroma 105 



New genus and species of 



Sphaeromidse 181 



Rithrodon 256 



Romerolagus 254 



Roosevelt, Theo. : Remarks x 



Rukaia 268 



Ruscinomys 262, 265 



Saccomys 253 



Saccophorus 251 



Saccostomus 261 



Saimiri 174 



Salacia 164 



Sambucus callicarpa 41 



leiosperma 40 



melanocarpa 41 



pubens 41 



Scapaims alpinus 102 



californicus 101 



townseudi 101 



trtiei 102 



Scapteromys 256 



Scarturus 249 



Scavia 247 



Scilla angusta 65 



esculenta 65 



fraseri 65 



Schistomys 250 



Schizodon 262, 265 



Sciamys 251 



Scirtefa 249 



Scirtetes 249 



Scirtomys 249 



Scirtopoda 249 



Sciuravus 253 



Sciurodon 265 



Sciuroides 265 



Sciuromys 253 



Sciuropterus 225, 268 



Sciuropterus alpinus 225 



alpinus fuliginosus 225 



alpimis kliiiiiathi-iisis 225 



Sciurus 146, 268 



Sciurus hudsoiiicus californicus... 146, 282 



douglasi 282 



fremonti 146 



hudsonicus 240 



mearnsi 146 



mogollonensis 146 



orarius 281 



Scleromys 262, 265 



Scotaeumys 248 



Sesarma sequatorialis 112 



africana 89 



americana 90 



angusta 91 



angustipes 90 



barbimana 90 



beuedicti 90 



bidentata 89 



bromeliarum 90 



cinerea 90 



crassipes 90 



curacapensis 89 



guerini 91 



liaiist-iii 91, 92 



miersii 90, 91 



miniata 91 



mulleri 9 



