102 



COITJBEID^. 



than deep ; one prseocular (sometimes divided) usually forming a- 

 suture with the frontal, sometimes, however, narrowly separated 

 from it; two (exceptionally one or three) postoculars; temporals 

 2+3; eight (exceptionally nine) upper labials, fourth and fifth 

 (or fifth and sixth) entering the eye ; four or five lower labials in 

 contact with the anterior chin-shields, which are as long as or 

 shorter than the posterior. Scales in 19 rows, Ventrals 191-222 ;. 

 anal entire ; subcaudals 78-126 pairs. Coloration variable. 



Total length 910 millim. ; tail 220. 



Mexico, Central America, Tropical South America. 



A. Black above, with numerous (50-75) narrow yellow cross-bands^ 

 the first on the nape ; these bands sometimes interrupted ia 

 the middle. (C. ■petolarius, L.) 



a. Yg. (V. 206; 0.102). 



Eosario de Cucuta, 



Colombia. 

 Venezuela. 



b, c. cJ (V. 204 ; C. 117) 



&yg. (V.119; 0.115). 

 d. $ (V. 213; 0.89). 

 e-f, 9- 6 (V. 200 ; 0. 89), British Guiana. 



$ (V. 203 ; 0. 104), & 



hgr. (V. 197; 0.83). 

 h, i. c? (V. 192; 0. 94) & Demerara, 



$ (V. 211; 0.?). 

 k. $ (V. 203; 0.87). 

 I. ? (V. 200 ; 0. 92). 



Caracas. 



Berbice. 

 Surinam P 



Mr. C. Webber [C], 

 Mr. Dyson [0.]. 



Mr. SneUgrove [C], 



Lidth de Jeude CoUr 



B. Light cross-bars (sometimes reduced to large spots on the sides) 

 fewer (15-25) and far apart. 



Mr. Fraser [C]. 

 Mr. Buckley [C.l. 

 Mr.A.H. EofffC.].. 



Mr. W. Davis [0.];: 



a. Hgr. (V. 209 ; 0. 115). GuayaquU. 



6. Yg. (V. 202 ; 0. 116). Ecuador. 



c-d,e,f. Hgr. $ (V.212, Moyobamba, N.E. 



208, 205 ; 0. 100, 121, Peru. 



101) & yg. (V. 216 ; C. 



119). 



g. S (V- 209 ; C. 126). Sarayacu, N.E. Peru. 



^i. ? (V. 222; C?) & Yurimaguas,Huallaga Dr. Hahnel [0.]. 



yg. (V. 210 ; 0. 101). River? ' ^ L J 



k. d (V. 214 ; C. 115). Pebas. H.W.Bates.Esq.rCl 



I. Hgr. (V. 208; 0. 89). Pernambuco. W. A. Forbes, Esq, 



[P.l. 



TO. Yg. (V. 191 ; 0. 101). Bahia. ^ -" 



«. Hgr. (V. 203; 0.109). Bahia. Dr. 0. Wucherer [C.> 



C. Uniform dark brown above, or with faint traces of light bars, 

 as in B. 



a. 2 (V. 220 ; 0. 97). 



5. S (V. 214; 0.98). 

 c. cJ (V. 202; C. 100). 



Moyobamba, N.E. 



Peru. 

 Yungas, Bolivia. 

 Pernambuco. 



Mr. A. H. Eoff[C.]. 



