320 lUllMA. ITS PEOPLE AXI> PRODUCTIOXS. 



H. FASCIATA, Sclm. 



The third upper labial not in oniitact with the nasal. Scales tubercular, 25 rows 

 on the nock. Ventruls bituborcular, ;!10, and twice as larfje as the adjoining; scales, and 

 uudivided to the vent. Si.K small anal shields. Trunk with 4.3 deep black rini;s, nearly 

 twice as broad as the yellow interspaces, and coTiflucnt on the belly. Head lilack, with 

 yellow dots behind the eye. Tail black, with 3 basal yellow bars. 



H Caxtoris, Oiinther. 



The third upper labial in contact with the nasal. Scales tubercular (smooth in 

 young), 23 rows on the neck. Ventrals 412 to 440, anteriorly twice as large as the 

 adjoining scales, posteriorly divided. Some 30 blackish rings on the slender part of the 

 boily, confluent above and below, the ycdlowish-green ground showing as rounded spots 

 or interspaces. Posteriorly uniform olive, with yellowish sides. Two blackish bands 

 on the tail. 



b. Mead moderate. Neck moderately elongated. 

 * One podocidar. 

 H. STBiCTicoms, Giinther. 



Scales smooth (in the young ty|ic). 34 rows round the neck. Ventrals 398, 

 only anteriorly twice as broad as the adjoining scales. 66 blackish rings on the body, 

 not quite so broad as the yellowish interspaces. Head yellow above, with darkish 

 confluent spots. 



H. CTJETA, Shaw. 



Head short, thick, obtuse. Body stout throughout. The occipital shields 

 always divided. Scales in 30 to 34 rows round the neck. Ventrals nearly twice as 

 broad as the adjoining scales and 156 to 160. 50 to 53 blackish bands across the 

 bai'k, equal to the interspaces, and not usually descending to the belly. A yellow 

 temple streak. Tail black, with basal yellow spots. The type was from Matb'as. 



H. Haedwickii, Gray. 



Habit as in H. carta. Scale tubercular, in 29 to 33 rows on the neck. No 

 distinct ventrals. 4 to 6 small prajanal shields. A long central spine to each scale 

 of the 8 ventral rows. 41 to 43 broad blackish bands across the back, descending to 

 the middle of the sides. Beneath }'ellowish. Tail black, with 3 to 5 yellowish bands. 



H. Fatreriana, Anderson. 



Habit as in IT. carta. Body nearly equal throughout, but narrower for its anterior 

 fifth. Scales smooth, in 34 rows on the neck. No enlarged ventrals, but 193 scales 

 from vent to chin. Five pairs of prscanal shields. 39 broad olive-brown bands 

 across the back, not descending to the belly, separated by pale interspaces half a scale 

 Ijroad. 



Body 30-2 ; tail 3-1 = 33-3 inches. 



Puree. 



Distinguished from II. Ilardwichii by its smooth scales, and by the partial 

 imbrication and greater number of the ventral scales. 



H. LOEEATA, Gray. 



Habit as in U. carta. Scales tubercular, 27 to 31 round the neck. No distinct 

 ventrals, but the three or four lower lateral rows are enlarged. 29 to 34 black rings 

 round the body, tapering on the sides and belly. Head yellow, banded across the 

 froiitals. Tail with 6 white bands across its upper and basal half. 



* * Two postocalars. 



H. LAPEMorDES, Gray. 



Head narrow, neck elongate. Scales keeled, 30 to 32 rows on the neck. 

 Ventrals 350, twice as broad as the adjoining scales. Trunk with from 37 to 43 



