1901.] NATURAL SCIENCES OF PHILADELPHIA. 85 



Proocular touchiug uasal ; black ci'oss-bauds on back, 



1. C. ephi])picus. 

 Preocular not touchiug uasal; black rings around body, 



2. C. cincui». 

 Chilomeniscus ephippicus Cope. 



Proc. Acad. Phila., 1875, 85 ; I. c, 594 ; Rep. Nat. Mns., 951 ; BouL, 

 I. c, II, 273. 



Head small with jiromhieut suout; scales in 18 rows; rostral just 

 reaches the prefrontals; nasal elongated and touchiug the pre- 

 ocular; oculars 1-2; temporals 1-1; upper labials 7; ventrals 

 109-113; subcaudals 22-28. Length 235' mm. (tail 30). 



Yellow or red with a series of black cross-bands, the ends of 

 which are rounded; on the tail they nearly form rings; the inter- 

 spaces are quite as wide as the bauds; belly white; top of head 

 black; snout red. 



Hab. — Nevada and Arizona; probably southern California. 

 Chilomeniscus cincWs Cope. 



Proc. Acad. Phila., 18G1, 303 ; C stramineus cinctns Cope, I. c, 59t; 



0. stramineus (part) Boul., I.e., 11, 273; C. cinctus Cope, Rep. 

 Nat. Mus., 952. 



Very similar to G. ephippicas, but the nasal is separated from 

 the preocular by the prefrontals, which reach the labials. Color 

 reddish white; body completely encircled by black rings which are 

 narrower on the belly. 



But three specimens are known, aud the full value of tne char- 

 acters are in doubt. 



Hab. — Lower California and southern Arizona. 



CEMOPHORA Cope. 



Proc. Acad. Phila., 1860, 244; I. c, 602, aad Rep. Nat. Mus., 938 ; 

 Boul., I. c, II, 213 ; Rhinostoma B. and G., I. c, 118. 



Maxillary teeth smooth, longer behind, no interspace; a loreal; 

 one or two preoculars; one nasal, sometimes divided; rostral 

 slightly projecting; scales smooth, with pits, in 19 rows; anal 

 entire; size moderate; head not distinct. 



Hab. — North America. 



Cemophora coccinea Blumenbach. 



Coluber coccineus Blum., Voigt's Ma^. of Phys., 1788, 11, PI. 1 ; IIM- 

 nostoma coccinea B. aud G., I. c, 118; Cemophora coeci7iea Cope, 



1. c, 603, and Rep. Nat. Mus., 938 ; Boul., I. c, II, 214. 



Body slender; head not distinct; snout projecting; eye small; 

 one nasal, half divided or double; loreal small; oculars 1 (2)-2 



