GASTEROPODA. o38 
PuyYSA HETEROSTROPHA, Say. Gould. 
P. rracitis, Migh. et Ad. — Maine. 
P. anciLuaRia, Say. Gould. 
P. eyrina, Say. Adams. — Vermont. 
P. sLoNGaTa, Say. Gould. 
PLANORBIS TRIVOLVIS, Say. Gould. 
LENTUs, Say. Gould. 
BICARINATUS, Say. Gould. 
CAMPANULATUS, Say. Gould. 
ARMIGERUS, Say. Gould. 
HirRsuTUs, Gould. 
DEFLECTUS, Say. Gould. 
EXacuTUS, Say. Gould. 
PaRvus, Say. Gould. /P. elevatus, Ad. Gould. 
piLaTaTus, Gould. P. deus, Lea. (preoc.) 
dd 
VERTIGINIDZ. 
The want of the inferior tentacles seems sufficient 
ground for the separation of this family from the 
Helicide. 
VERTIGO miLIuM, Gould, in Binney’s Terrest. Moll., ii. 
337. Pupa milium, Gould, Inv. Mass. 
V. Gou.pu, Gould, loc. pr. cit., 11. 332. Pupa Gouldii, 
Binney, Bost. Proc., i. 105. 
V.ovata, Say. Gould,l.c. Pupa ovata, Sager. Gould, 
Monog. PP. modesta, Say. Gould, Inv. Mass. 
V. smpLex, St. Pupa simplex, Gould, 190, f. 121. 
PUPAD. 
Pupa PENTODON, Binney. Gould, Bost. Jour., iv. 353. 
