1901.] NATURAL SCIENCES OF I'HIEADELPHIA. 81 



fused with pi'efroutals; one uasal; no loreal; preocular usually 

 distinct; prefrontals and parietals in contact with labials; scales 

 smooth without pits; anal entire. 



Stilosoma extenuatum A. E. Brown. 



Proc. Acad. Phila., 1890, 199 ; Cope, I. c, 595, and Rep. Nat. Mus., 

 924; Boul., I. c, II, 325; Stejneger (fide Lcenuberg), Proc. U. S. 

 Nat. Mus., 1894, 323. 



Maxillary teeth 10-11, about equal in size; mandibular teeth 

 12. Body very slender, its diameter contained about one hun- 

 dred times in its length; snout rather prominent; head scales 

 variable; of nine specimens which I have examined, six have the 

 internasals fused with the prefi'ontals, one has a distinct internasal 

 on one side; two have the preocular fused with the frontal; in all 

 the loreal is absent and the prefrontals and parietals ai-e in contact 

 with the labials; upper labials 6; third and fourth in orbit, fifth 

 largest; lower labials, 5; post-oculars 2; temporals 1-1; 2 or 3 

 pairs of chin shields; scales smooth in 19 rows; ventrals 223- 

 260; subcaudals 33-40. Length 575 mm. (tail 50). 



Body color silvery gray, with 60-70 irregular dark-brown dorsal 

 spots with blackish border, on the body and about twelve on the 

 tail; on the dorsal line the interspaces are mottled with pale red; 

 belly blotched with black which extends on the sides and often 

 breaks into lateral spots; on the sides the scales are finely punctu- 

 lated with black; a dark patch on the parietals, with a smaller one 

 on each side of the neck; a dark post-ocular streak ; forepart of 

 head, chin and throat maculated with black. 



Hab — Known only from Marion and Orange counties, Florida. 

 CARPHOPHIS Genais. 



Diet. d'Hist. Nat., Ill, 191 (1849) ; C'eluta B. and G., I. c, 129; Cnr- 

 phopJnops Cope, I. c , 596, and Rep. Nat. Mus., 734 ; CarphopMs 

 Boul, I. c, II, 321. 



Maxillary teeth smooth, subequal; a loreal; internasals one, two 

 or absent: one nasal; no preocular; scales smooth, without pits, in 

 13 rows; anal divided; size very small; head flat and not distinct. 



Hab. — North America. 

 CarphoMs amBaas Siy. 



Coluber amcemis Say, Joiir. Acad. Phila., IV, 237 (1825) ; CeJuta 

 amoina B. and G., I. c, 129 ; Cehita helcnce Kenu., Proc. Acad. 

 Phila., 1859. 100 ; Carphophiops amcenus and C. vermis Cope, I. c, 

 596, 597 ; CarphopMs amcenus Boul., I. c, II, 324. 



Head small and flat; internasals often absent; no preocular, 

 6 



