INDEX 



557 



orotundum, Buccinum 152 

 Orthocarpus barbatus 199 



cryptanthus 200 



cuspidatus 199 



tenuifolius 197 



pachystachyus, Orthocarpus 198 

 Pacific slope, plants of (C. V. Piper) 



195 



pacifica, Pholodomya 172 

 pallida, Opuntia 507 

 parallelus, Ethelumoris 245 

 Palmer, E. 32 

 Paton, Stewart 129 

 Pecten erythrocomatus 170 



vanvleckii 428 



yneziana 426 

 pemphigus, Buccinum 151 

 Perischyphops brevicaudas 233 



cooki 235 

 Pereskiopsis, new genus of cactaceae 

 (Britton and Rose) 331 



kellermanni 332 



velutina 333 

 Perometra, genus 357 

 Peromyscus oreas 91 

 persica, Astrsea 167 

 Petaurista xanthotes 133 

 Phacoides nuttallii 436 

 Phenacomys orophilus 91 

 Philippine Islands, calamarine snake 

 from (Leonhard Stejneger) 30 



Chinese in (Berthold Laufer) 248 



upas tree in 415 

 phillipsi, Equisetum 120 

 Pholodomya pacifica 172 

 Pigeon, air-sacs of (B. Muller) 365 

 Piper, Charles V. 195 

 pittieri, lindsaea 335 

 Plants of the genus Ribes, Mexican 

 (J. N. Rose) 32 



of the pacific slope (C. V. Piper) 



195 

 Kootanie, from Montana (F. H. 



Knowlton) 105 

 Pleurotomella simplicissima 140 

 Plicifusus, subgenus 159 

 plumbea, Opuntia 524 

 Podozamites lanceolatus 120 



nervosa 120 

 Pcecilometra, genus 360 

 polium, Buccinum 145 

 pollardi, Opuntia 523 

 polyplematus, Tritonofusus 159 

 Pontiometra, genus 354 

 Priscodelphinus crassangulum 449 

 Prize, Hodgkins fund, for tubercu- 

 losis treatise 548 

 Procumbentes, series 529 

 Protorhipis fisheri 114 

 protracta, Volutoderma 21 

 Psathyrometra, genus 358 

 puberula, Valeriana 202 



Pubescentes, series 515 

 pumila, Opuntia 521 

 Puncturella delosi 439 

 Purpura vaquerosensis 427 



quadricoloratus, Mesarmadillo 228 

 quadrimaculatum, Ethelum 239 



ranieri, Aplodontia major 91 



Rathbun, Richard 287 



Ravenel, W. de C. 285 



Recent crinoids from the north Paci- 

 fic (Austin H. Clark) 337 



reichenbachi, Sequoia 126 



retifera, Volutomorpha 15 



Rhodesia, southern, Webster Ruin in 

 (E. M. Andrews) 35 



rhyssus, Tritonofusus 160 



Ribes, Mexican plants of the genus 

 (J. N. Rose) 32 

 madrense 32 



Richardson, Harriet 219, 416 



robusta, Marmota 134 



Rose, J. N. 32, 33, 63, 330, 331, 503 



rossicum, Buccinum 150 



Rotch, A. L. 130 



rotundatum, Ethelum 237 



Ruin, Webster, in southern Rhodesia 

 (E. M. Andrews) 35 



Saskatchewan, mosquitoes of (Fred- 

 erick Knab) 540 

 sakhalinense, Buccinum 148 

 saturatus, Evotomys gapperi 91 

 schaumbergensis, Nilsonia 123 

 Schizodelphis, fossil cetaceans of the 



genus (F. W. True) 449 

 Sciurus hippurus group, squirrels of 



(M. W. Lyon, Jr.) 24 

 Sciurus grayi 28 



hippurellus 27 



hippurosus 26 



hippurus 25 

 Sequoia ambigua 126 



gracilis 126 



reichenbachi 126 

 Shells, new species, chiefly Buccinidac 

 _ (W. H. Dall) 139 

 sibirica. Ginkgo 124 

 sigmatopleura, Buccinum 144 

 similis, Mesarmadillo 223 

 simplexi, Volutopsis 164 

 simplicissima, Pleurotomella 140 

 Simpson, W. W. 133 

 simulatum, Buccinum 150 

 sisquocensis, Spisula 437 

 Squirrels, Sciurus hippurus group 



(M. W. Lyon, Jr.) 24 

 Snake, Calamarine, from the Philip- 

 pines (L. Stejneger) 30 

 sordida, Mohnia 162 

 Sorex obscurus 92 

 spatulata, Chiropteris 114 



