426 



Index. 



l:',7 



Oneida Conglomerate. 

 Onondaga Limestone . . 



Ophideres 



Ophiotheca umbrina. . . 



Ophisures 



< >porornis agilis 



formosus 



< )reoscoptes monlanus 



Oriskany Sandstone . . .292, 294, 



Orphnus 



Orthalicinus 



Orthalicus. .. .38, 39, 40, II. 12, 



gallina sultana . .38, 41. 42, 



'iostomus 39, 40, 



longus 



melanochilus •!!•. 



obductus 37. 



undatus, 39, 40, 41, 42, 181, 



zebra 



Orthis lynx 



mullisiriata 



oblata 295, 



perelegans 



planoconvex 



subcarinata 



testudinaria 



Orlyx Virgimanus 10, 



Ostrea Wnllersicrrfii 



( )i us vulgaris 



Wilsonianus 



Oxygen, percentage of in the 



a1 mosphere 270, 



( >/,<>nc, relations of to disease, 

 T,:\. -274. 



( tonometry 



Paheaneilo. 124, 



simplex 



sulcata 124, 



Pallifera 



Wetherbyi 31, 



Pandion Garolinensis 



haUa'Uis 



Panopaea plicaia 



Panyptila saxatilis 



Paradiodon hystrix 



Parid.k 2, 



Parthenos 



Partula 4."). 46, 



fusca 



umbi.li.cata 



Virginea 



Partulina; 189, 190, 191, 192, Hi:'.. 



Parula Americana 134, 



Parus atiicapillus 2, 



Carolinensis 



montanus 



AUK. 



291 

 292 

 3(11 

 408 

 (57 

 13? 

 138 



297 



:;•,» 



41 

 176 



45 



42 



4(1 



42 



4.") 



1 '.).-) 



181 



156 



295 



296 



•».k; 



'.".Mi 

 •,»!)(! 



156 

 145 

 259 



!) 

 !l 



271 



275 

 272 

 125 

 125 



1 26 



;!" 



44 



!) 



1) 



259 



s 



70 



133 

 301 



1!)1 

 45 

 45 

 45 

 194 

 135 

 L33 



PACK. 



Purus septmtrvonalis 2 



Passerculus alaudinus 5 



savanna 5 



Passerella Uiaca 142 



schistacea (> 



Townsendii (i 



Patula alternata 170. 171 



Cumberlandiana . . 170, 171, l!»(i 



Huahinensis 171. 196 



mordax 1 70 



solitaria 170 



Pecopteris 16, 50 



urborescens .10 



Pedioccetes Columbianus 10 



phasianellus 10 



Pegediethys 320 



ictalurops 320 



IY.I.l.t ANIIKK 13 



Pelecanus erythrorhynchus 13 



Pelecychilus .' 33 



Pelodichtbys. . . . 370, 372, 373, 374 



uhvaris 370, 373, 374 



Pentamerus</a/ra/«.s\.. .294, 21.5, 398 



Perca '. 311, 312, 313 



lucioperca 313 



nebulosa ->\ 1 



nigropunctata 313 



salmonea 313, 315 



Pki:< •iii.k 308, 375 



Percina 310, :il I. 312, 369 



bvmacnlata 312 



caprodes, 



311, 312, 369, :!7:!. 375, 376 



carbonaria 312 



nebulosa 312 



semifasciaia :>1 ^ 



ebra 312 



Perdicella 192 



Pi:i;mcin.K 10 



Perichaena ariocreas 408 



circumscissa 408 



corticalis 408 



depressa 40S 



Jiavida 409 



irregularis 409 



marginata 408 



populina 408 



quercina 4os 



strobilina 400 



vaporaria 408 



variabilis 408 



vermicularis 408 



PKI;I< II.KX.U k.k 408 



Perisoreus Canadensis 7 



capitalis 7 



Petrochelidon lunifrons 4, lo!J 



