98 AMARAL — NEW GENERA AND SPECIES OF SNAKES 



rP.N.E.Z.C. 

 I Vol. VIII 



head scales imbricate and strongly keeled; praeoculars, 2; one subocular 

 separated from the labials by one series of scales; upper labials, 8, excep- 

 tionally 9, 2d separated from the loreal pit, 4th much longer than the others; 

 temporal scales keeled; lower labials, 9-13; gulars, 3-5 pairs. Scales long, 

 lanceolate and strongly keeled, in 21-25 rows; keel of the scales long and 

 low; ventrals, 160-170; anal entire; subcaudals, 35-43 pairs, very ex- 

 ceptionally undivided. 



Brown above with a close series of broad, dark, transverse bands, some- 

 times divided in the middle and alternating with those of the opposite side; 

 head dark, with a whitish blotch on the crown; supraoculars, internasals 

 and canthals, whitish; belly yellowish, regularly spotted with brown. 



Represented in the collection of the Institute de Butantan, 

 Sao Paulo, Brazil, by twenty specimens, the characteristics of 

 which arc as follows: 



