University of Michigan 



N 



Xaniius liiemalis hiemalis 27, 19 



Xapeozapus insignis 4, 7 



Xatrix sipedon 18, 5 



Necturus maculosus 17, 4; 18, 3 



Xeosoiex palustris 6, i 



X'omada bella 23, 6 



Xuttallornis borealis 27, 13 



Xycteris borealis 4. 12 



cineiea 4i 12 



Odocoileus americanus liorealis. .4, 3 



Ondatra zibethica 4. 7 



Oporornis Philadelphia 27, 19 



Oreohelix strigosa . 29, 3 



strigosa hemphilli 29, 3 



strigosa idahoensis 29, 3 



Osmia melanotricha 23> 4 



Otocoris alpestris praticola 27, 13 



Otus asio asio 27, 11 



Oxyechus vociferus 27, 9 



Palaemonetes exilipes i, 4 



Paludicola 3°. i 



pusilla 30, I 



Pandion haliaetus carolinensis ..27, 10 



Passer domesticus 27, 15 



Passerculus sandwichensis savanna 



27, 14 



Passerina cyanea 27, 16 



Penthestes atricapillus atricapillus. . 



27, 20 



Peromyscus leucopus noveboracen- 



sis 4, 6 



maniculatus 4. 6 



maniculatus bairdii 4, 6 



maniculatus gracilis 4, 6 



Petrochelidon lunifrons lunifrons.27, 16 



Pheidole vinelandica 5, 5, 6 



Philohela minor 27, 8 



Phryniscus 28, i 



Phrynosoma hernandesi 8, 11, 23 



Phyllobates trinitatis 10, 3 



Physa 15. 4 



ampullacea ;-.29, 3, 5 



ancillaria magnalacustris ....7. 5 

 forsheyi ...15, 5. 6, 7, 8, 10, 11 



gyrina 7. 5 1 i5, 8; 29, 3 



heterostropha 7, 5; 29, 3 



humerosa 29, 3 



Integra 7. 5 



sayi 7. 5 



Pipilo erythrophthalmus erythroph- 



thalmus 27, 15 



Piranga erythromelas 27, 16 



Pisidium . ". 7. 7; 15. 5. 6i 10 



ashmuni 15. 5 



compressum 15, 6 ; 29, 4 



fallax 15. 6 



friersoni iS, 10 



huachucanum 29, 4, 8 



Pituophis catenifer deserticola.8, 11, 31 

 Pitymys pinetorum scalopsoides. . . . 



4, 6; 6, I, 2 



Planesticus migratorius migratorius 



27, 21 



I'lanorbis ammon 29, 



antrosus striatus 7, 



binneyi 29, 



campanulatus 7, 5, 



campanulatus rudentis 7, 



corpulentus 29, 



deflectus 15, 



1-ntus 15, 4, 5, 6, 7, 8, 9, 



opercularis 29, 



parvus 7, 6; 15, 2, 4, 5, 6; 29, 



subcrenatus 29, 



trivolvis 15, 11; 29, 3, 



truncatus 7, 



tmnidus 15, 



verniicularis 29, 



Platygonus compressus 4, 



Plethodon erythronotus. . 17, 4; 18, 



Podilymbus podiceps 27, 



Polioptila caerulea caeruica . . . .27, 



Polyartemiella hanseni i, 



Polygyra albolabris 7, 



albolabris dentata 7, 



monodon 7, 



monodon alicre 15, 



texasiana 15, 6, 7, 8, 



thyroides ' 7, 



Pompholyx eflusa 29, 



I'onera coarctata pennsylvanica ..5, 



pennsylvanica 5, 3, 



Pooectes gramineus gramineus. . 27, 



I'orcellio rathkei i, 



Potamobius trowbridgii i, 



Procyon lotor 4, 



Progne subis sul)is 27, 



Prosopis elliptica 23, 2, 



gaigei 23, 



modesta 23, 



personatalla 23, 



Prostherapis subpunctatus 



10, I, 4 ; 14, 



variabilis 10, 1, 



Pseudogonatodes ....19, i; 21, i, 



furvus 19. 



Pseudosquilla lessonii i, 



Psithyrus ashtoni 23, 



insularis 23, 



laboriosus 23, 



Punctum pigmaeum 15, 3, 7, 



Pupilla blandi 15. 2, 



muscorum 29, 



sonorana 15. 4. 



Pupoides arizonensis 29, 



hordacea 15, 2, 3, 4; 29, 



marginata. . .15, 2, 4, 6, 7, 8, 9, 



Pyramidula alternata 7i 



cronkhitei anthonyi 7. 



Pyrgulopsis nevadensis 29, 



Querquedula discors 27, 8 



Quiscalus quiscula aeneus 27, 14 



Rallus virginianus 27, 



Kana areolata 9. i. 



cautabrigcnsis 17, 4; 18, 



