115. STILOSOMA. 325 



Carphophiops vermis, Cope, Check-List N. Am. Rept. p. 34 (1876), 

 and Proc. UM. Nat. Mus. xiv, 1892, p. 597. 



helenffi, Cope, I. c. 



Carphophis lielense, Garm. I. c. p. 100 ; H. Gann. I. c. p. 308. 



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 prtefroutals ; 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 ap 

 deep ; an elongate temporal ; five upper labials, third and fourth 

 entering the ej'e, 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 ; 0. 28). Delaware. E. Doubleday, Esq. 



[P.]. 



b. c? (V. 123 ; C. 37). Pennsylvania. Christiania Museum. 



c. 5 (V. 121; C. 28). Pennsylvania. 



d. e. 5 (V. 138, 131 ; N. America. Lord Ampthill [P.]. 



C. 27, 27). 



B. A^o internasals. 



/. S (V. 126; C. 36). Illinois. 



g. $ (V. 131 ; C. 25). Illinois. Smithsonian Institution. 



h~k. 2 (V. 120, 125, Bloomington, Indiana. C. BoUman, Esq. [C.]. 

 127 ; C. 24, 25, 28). 



115. STILOSOMA.* 



Stilosoma, A. E. Brown, Proc. Ac. Philad. 1890, p. 199 ; Cope, Proc. 

 U.S. Nat. Mus. xiv. 1892, p. 695. 



Head not distinct from neck ; eye moderately small ; one nasal ; 

 internasals distinct, or fused with the praefrontals ; no loreal ; pra;- 

 ocular present or absent ; parietals in contact ^rith 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 exteuuatum. 



Stilosoma extenuata, A. E. Brown, I. c. 

 Snout rounded. Bostral prominent but not recurved ; supra- 



* Mr. A. Erwin Browu informs me (12 Aug., 1893) that, since describing 

 this remarlsable new genus, he has received three more specimens from Lake Kerr, 

 Florida, no two of which agree in thelepiriosisof the head. I have therefore modi- 

 fied the diagnosis according to the notes he has kindly communicated to me. 



