66 
Register. 
Pars 
Perrieri Fairm. 59 
Perrisi Fairm. 59 
peruanus Er. 59 
phoenicis Fall 52 
pilularius Germ. 59 
pinguis Faid. 58 
ponderosus Pering. 59 
porcatus Say 63 
procerus Har. 59 
punctatus Germ. 59 
punctatus J. Lee. 62 
pusillus Pering. 60 
pustulatus J. Lee. 58 
quadridens Blackb. 60 
quadrimaculatus Ball. 60 
radula Er. 60 
radula Boh. 55 
regularis Har. 55 
rhyparoides Har. 60 
rufa Er. 52 
rusticus Fahr. 63 
sabulosus L. 60 
sabulosus Ol. 59 
sabulosus Preyssl. 57 
salebrosus M’Leay 60 
Sallei Har. 60 
scaber L. 60 
scabrosus Beauv. 61 
scutellaris Say 61 
semicostatus M’Leay 61 
Semmelinki Lansb. 61 
serrulatus Beauv. 63 
setifer Waterh. 61 
setosus Faust 55 
setulosus Kolbe 61 
silphoides Gmel. 58 
silphoides Thunb. 57 
Sonorae J. Lee. 61 
sordidus J. Lee. 61 
squalidus Ol. 61 
squalidus var. Har. 57, 58, 61 
squamiger Roth 62 
squamosus M : Leay 62 
stellatus Har. 62 
; striatus Melsh. 62 
strzeleckensis Blackb. 62 
subcarinatus M’Leay 62 
suberosus F. 62 
suberosus Ol. 58 
subterraneus Fourcr. 59 
sulcatus Thunb. 62 
suturalis J. Lee. 61 
talpa Fahr. 62 
Tatei Blackb. 62 
tenebrosus Har. 62 
terrestris Say 62 
tessellatus J. Lee. 60 
texanus J. Lee. 61 
torpidus Har. 62 
transversus Reiche 62 
trisulcatus Curtis 61 
tuberculatus Deg. 63 
tuberculatus Beauv. 58 
tuberosus Klug 63 
tuberosus Cast. 62 
umbonatus J. Lee. 61 
undulatus Zoubk. 54 
unistriatus Beauv. 63 
varicosus Er. 63 
variolatus Melsh. 61 
variolosus Fahr. 60 
velutinus Blackb. 63 
verrucosus Reiche 55 
vitreomaculatus M’Leay 63 
Whiteheadi Woll. 63 
