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JOURNAL, R.A.S. (CEYLON). [VOL. XI. 



50 HYDROPHIS GRACILIS. 



Bluish black or grayish olive. Lighter, more or less distinct 

 cross bands anteriorly. (Young : black, head and neck ; rhom- 

 bic cross bands on body continued on belly, or sub-interrupted 

 or entirely black, with a series of elliptical vertical whitish 

 spots on each side. — Boulenger.) 



51 HYDROPHIS CANTORIS. 



Dark olive or blackish anteriorly ; olive above ; posteriorly 

 yellowish on the sides. Blackish, a streak along the belly. 

 Olive, vertical bars on tail. 



52 DlSTIRA STOKESII. 



Yellowish. Black, broad dorsal cross bands or complete 

 rings. 



53 DlSTIRA JERDONII, 



Olive above, yellow below. Black, cross bands or rings, 

 sometimes spots between them. 



54 DlSTIRA ROBUSTA. 



Greenish yellow above, yellow below. Black, cross bands or 

 rings, which are narrower than the interspaces between them ; 

 end of tail. 



55 DlSTIRA CYANOCINCTA. 

 Greenish olive above, yellow below. Black, cross bands 

 or annuli, broadest on back ; sometimes a band running 

 along belly. 



56 DlSTIRA ORNATA. 



Olive above, white below. Blackish, cross bars tapering on 

 sides, one or more lateral series of roundish spots. The bands 

 may become confluent, when the specimen will be uniformly 

 a blackish olive. 



Section S. 

 Green above and below. 



37 Dryophis mycterizans. 

 Bright grass green, belly paler. Bronze, shade on back. 

 Yellow, stripe each side of abdomen. 



