INDEX. 



689 



Page. 



Waldheimia venosa 363 



wyvilli 356 



Walker, Bryant, A new fresh-water 



mollusk from Indiana 525 



Waltonia valencienuesi 371 



Watasella nigra 163, 168 



Watasenia scintilians 196 



Westfleld, Massachusetts, diabantlte, 

 stilpnomelane, and chalcodite of 



the trap quarries of 397 



Whales, American records of, of the 



genus Pseudorca 205 



Wortman, Jacob L. On some hither- 

 to unrecognized reptilian charac- 

 ters in the skull of the insectivora 



and other mammals 1 



Xenodosus sanguineus 636 



Xiphydria abdominalis 471 



attenuata 471 



erythogastra 471 



macculata 471 



Xorides albopictus 437, 470 



australis 434 



borealis 447 



calidus 438. 469 



californicus 443, 469 



canadensis 437 



caryae 445 



calidus 438, 469 



cincticornis 444, 470 



duplicatus 438 



eastonl 442 



tioridanus 444 



frigidus 436 



harringtoni 443 



Page. 



Xorides humeralis 469 



insularis 441,469,470,471 



maudae 435 



neoclyti 435, 470 



occldentalis 447 



piceatus 434, 440 



rileyi 440 



ruficoxis 440 



stigmapterus 444, 470 



vittifrons 446 



yukoensis 436 



Xoridini, North American Ichneu- 

 mon-flies of the tribe 405 



Xylonomus albopictus 437 



australis 434 



californicus 443 



canadensis 443 



catomus 443 



cincticornis 444 



frigidus 436 



insularis 441 



maudae 435 



(Moerophora) duplicatus- 438 



eastoni 442 



modestus 444 



plceatiis 434 



yukonensis- 436 



pulcher 438 



rileyi 440 



stigmapterus 434, 444 



(Xylonomus) lepturae 440 



plesius 436 



ruficoxis 440 



Xylotrechus colonus 471 



Yokogawa yokogawa 538 



144382— 20— Proc.N,M.vol.57- 



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