170 REPTILES. 



Scales ill twenty-one rows ; anal entire ; black, with forty to 

 sixty narrow yellow (in spirits) white cross bands. 



a. Adult. Philippine Islands. From Mr. Cuming's Collection. 



b. Young : bad state. Philippine Islands. From Mr. Cuming's 



Collection. 



c. Adult. Borneo. Presented by Sir James Brooke. 



d. Adult : injured. Borneo. From Mr. Lowe's Collection. 



e. Adult. Celebes. From the Leyden Museum. 



/, g. Adult : not good state. Sumatra. Presented by Capt. 



Sir E. Belcher. 

 h. Adult. India. Presented by Gen. Hardwicke. 



All these specimens belong to the variety T. gemmicinctum, 

 D. &B. 



i. Adult. Java? From Mr. Argent's Collection. 



k. Large specimen. East Indies. From the Collection of the 



Zoological Society. 

 /. Adult. East Indies. From Mr. Jamrach's Collection. 



3. Dipsas BOOPS. 



Body and tail very slender, much compressed ; head volumi- 

 nous, eye very large. Scales in twenty-one rows. Yellowish 

 brown, marbled with purple, with more or less distinct cross 

 bands ; head marbled with brown ; no temple-streak. 



a. Adult. Bengal. Presented by General Hardwicke. 



b. Adult. Bengal. Presented by General Hardwicke. 



Description. — Body and tail very slender, much compressed ; 

 head very voluminous, broad, thick, very distinct from neck, with 

 flat crown, and short, broad, rounded muzzle ; eye very large, so 

 as nearly to suppress the labials. Rostral shield small, not 

 reaching the surface of head ; frontals moderate, of equal length, 

 rather convex ; vertical large, spheroid, in one specimen in con- 

 tact with anterior ocular, in the other one not quite extending to 

 it ; occipitals moderate, forked, irregularly tapering ; superciliaries 

 nearly triangular, very convex ; one anterior, two posterior oculars ; 

 loreal small, subquadrangular ; suture between the nasals not very 

 distinct ; eight narrow upper labials, third, fourth and fifth form- 

 ing the lower edge of orbit, sixth higher than fifth ; chin-shields 

 broad, nearly suppressing the lower labials, except the first pair, 

 which forms a broad suture behind the terminal labial ; two pairs 

 of moderate temporal shields, front pair coming in contact with 

 both oculars. Scales in twenty-one rows, those of the medial 

 series large, six-sided ; anal entire ; ventral plates not keeled. 

 Three posterior maxillary teeth longest, grooved. Above light 



