115. srimosoma. 325 
Carphophiops vermis, Cope, Check-List N. Am. Rept. p. 34 (1876), 
and Proc. U.S. Nat. Mus. xiv. 1892, p. 597. 
helenze, Cope, l. e. 
Carphophis helene, Garm. l.c. p. 100; H. Garm. Ll. c. p. 808. 
Snout rounded, somewhat projecting. Rostral as deep as broad, 
the portion visible from above one half to two thirds as long as its 
distance from the frontal; nasal entire; internasals distinct, or 
fused with the prefrontals; supraocular very small; frontal as long 
as broad or a little longer, longer than its distance from the end of 
the snout, shorter than the parietals ; loreal about twice as long as 
deep ; an elongate temporal; five upper labials, third and fourth 
entering the eye, fifth largest ; four lower labials in contact with 
the anterior chin-shields, which are longer than the posterior. 
Scales in 13 rows. Ventrals 112-138; anal divided; subcaudals 
24-37. Brown above, yellowish (red in life) beneath. 
Total length 300 millim. ; tail 50. 
Mississippi Valley and eastwards as far north as Massachusetts. 
A. Internasals distinct. 
a. 9 (V. 131; C.28). Delaware. E. Doubleday, Esq. 
b&. 5 (V. 123; C. 37). Pennsylvania. Christiania Museum. 
e. 9 (V.121; C. 28). Pennsylvania. 
d,e. 2 (V. 188, 131; N. America. Lord Ampthill [P. ]. 
©. 21, 20): 
B. No internasals. 
f. & (V. 126; C. 36). Illinois. 
g- Q@ (V. 181; C. 25). Illinois. Smithsonian Institution. 
h-k. 9 (V. 120, 125, Bloomington, Indiana. C. Bollman, Esq. [C.]. 
127; C. 24, 25, 28). 
115. STILOSOMA.* 
Stilosoma, A. EL. Brown, Proe. Ac. Philad. 1890, p. 199; Cope, Proce. 
U.S. Nat. Mus, xiv. 1892, p. 595. 
Head not distinct from neck ; eye moderately small; one nasal ; 
internasals distinct, or fused with the prefrontals ; no loreal ; pra- 
ocular present or absent; parietals in contact with the labials. 
Body very slender, cylindrical and rigid; scales smooth, without 
pits, in 19 rows; ventrals rounded. Tail short ; subcaudals in two 
rows. 
Florida. 
1. Stilosoma extenuatum. 
Stilosoma extenuata, A. LE. Brown, 1. c. 
Snout rounded. Rostral prominent but not recurved; supra- 
* Mr. A. Erwin Brown informs me (12 Aug., 1893) that, since describing 
this remarkable new genus, he has received three more specimens from Lake Kerr, 
Florida, no two of which agree in the lepidosis of the head. I havetherefore modi- 
fied the diagnosis according to the notes he has kindly communicated to me. 
