PROCEEDINGS OF THE NATIONAL MUStEUM 



VOL. 89 



vinalensis, Annularis, 300, 301. 



welchi, Annularia, 381. 



welchi, Tudora, 250, 251. 



wrighti, Annularia, 367, 380. 



wrighti, Parachondria, 231. 



wrighti, Tudora, 231. 



Wright ianum, Ctenopoma, 157. 



wrightianura, Rhytidopoma, 150, 156, 



157. 

 Wrightudora, 248, 275. 



Xenopoma, 134, 218, 222, 224. 

 aguayoi, 223, 224. 

 hendersoni, 223, 225, 226, 227. 



Xenopoma — humboldtiana, 223. 



humboldtianum, 223. 



hystrix, 223, 225, 227. 



spinosissimum, 223, 226. 

 Xenopomoides, 134, 217. 



delicatulum, 217. 



yateracensis, Tudora, 370. 

 yaterasense, Choanopoma, 370. 

 yaterasense, Cyclostoma, 370. 

 yaterasensis, Annularia, 366, 370. 

 yaterasensis, Tudora, 259, 261. 

 yumuriensis, Annularia, 366, 374. 

 yunquense, Choanopoma, 379. 

 yunquense, Cyclostoma, 379. 

 yunquensis, Annularia, 366, 367, 379. 



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