1440 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Page. 



Tunaria 1417 



Turrilepas 1426 



Turritoma 1421 



Tylopterus '.. 1426 



Ulrichia 1425 



Uncinulus 1418 



Urasterella 1414 



Vaginoceras 1422 



Valcourea 1417 



Vallatotheca 1421 



Vanuxemia 1419 



Vermipora 1409 



Vinella 1415 



Virgiana 1418 



Page. 



Vogdesia 1424 



Walcottia 1411 



Westonia 1416 



Whiteavesia 1420 



Whitella 1419 



Whitfieldella 1419 



Wilsonia 1418 



Wingia 1427 



Xenocrinus 1413 



Zaphrentis 1408 



Zittelella 1407 



Zittelloceras 1423 



Zophocrinus 1412 



Zygospira 1418 



