INDEX. 



<M 



Ulesanis, 7, 28. 



americana, 28. 

 Unsyrametrical Law of Error in the Posi- 

 tion of a Point in Space, 123-138. 

 Urosalpinx Caroliuensis, 237, 2()8. 



cinerea, 238. 



macra, 239, 2G8. 

 Utricnlus biplicata, 467. 



Vehitina ItBvigata, 269. 

 Venericardia borealis, 259, 278. 

 granulata, 258, 278, 477. 

 Novanglipe, 259. 

 obliqua, 478. 

 Venus alveata, 477. 



Verrill, A. E., Second Catalogue of Mol- 

 lusca recently added to the Fauna of 

 the New England Coast and the adja- 

 cent parts of the .Vtlantic, consisting 

 mostly of Deep-Sea Species, with Notes 

 on others previously recorded, 139-294. 

 Third Catalogue of Mollusca, 395-452. 

 Verticordia crolata, 278. 

 Vespa, 389. 



Yolutella lachrimula, 166, 266, 479. 

 Volutopsis Norvegicns, 252. 

 Volvula, 468. 

 minuta, 469. 

 oxytata, 468. 



Walckensera, 45. 



bifrons, 46. 



diceras, 48. 

 Waldheimia cranium, 234, 282, 284, 398. 



tenera, 234. 

 Williston, S. W., Dipterous Larvte from 



the Western Alkaline Lakes and their 

 use as Human Food, 87-90. 



North American Conoi)ida>, 91-98, 

 377-394. 



Xylophaga dorsalis, 277, 283, 285. 



Yoldia expansa, 279, 283. 

 frigida. 279, 284. 

 hyperborea, 226. 

 Jeffreysi, 229, 279, 284, 28.'j. 

 limatula, 226, 279. 

 lucida, 279, 284. 



Messanensis, var., 227, 280, 283, 285. 

 var. breviroslris, 227. 

 myalis, 226. 

 obtusa, 226. 

 pusio, 227. 

 regularis, 228, 279 

 sapotilla, 279. 



sericea, var. striolala, 226, 279, 284. 

 subequilatera, 229, 279, 284. 

 thraciformis, 279. 



Zilla, 297, 323. 



montana, 323. 



x-notata, 324. 

 Zodion, 95, 379, 388, 389, 392 



abdominale, 381, 392. 



Americanum, 392. 



fulvifrons, 380, 392. 



leucostoma, 380, 392. 



nanellum, 382, 392. 



occidensis, 392. 



pictulum, 379, 392. 



pygmaiura, 381, 392 



splendens, 392. 



