302 nrn.VA. /r.s pkoi'le am) /•jioorcTioxs. 



T. xuaiocixcii's, lUyth. 



Scales keeled, in 17 rovvs. 8 upper labials, the penultimate and antepenultimate 

 upper labial very lar<;e. Colour reddish brown, jjussinf; into greenish on the utek and 

 head. 8ume 50 narrow black bars across the back. Grows to 27 inches. 



Inhabits Pegu and Teuasserini. 



T. QUINCUNCIATUS, Schl. 



Scales keeled, in 1 9 rows. 9 upper labials, the fourth and fifth enter the orbit. 

 Nostrils valvular. Colour variable. Above grey, brown or greenish olive, with from 

 three to seven rows of black spots down the body in quincuncial order. Sometimes 

 red spots are present, and in tlie young dark bars. Sometimes in place of the black 

 spots there arc dark lines and yellow spots. (Jrows to 51 inchis. 



Inhabits all India and Burma, and the Malayan countries, the Andamans, etc. 



T. juxcEUS, Cantor. 



Scales keeled, in 19 rows. Kine upper labials, the fourth, fifth, and sixth entering 

 the orbit. Colour greyish-olive, with a row of whitish spots on each side of the back. 

 Urows to 27 inches. 



luhabits Assam and Pinang (and no doubt Burma). 



T. BELLULUs, Stoliczka. 



Scales keeled, in 19 rows. Nine upper labials, the fourth, fifth, and sixth entering 

 tlie orbit. Colour olive brown, with two series of black dots along the back. Pra30cular 

 and postoculars bright yellow. Ventrals and subcuudals black-edged. 



Inhabits the Pegu Range west of Touug-ngoo. 



T. MODESTUs, Giinthcr. 



Scales in 19 rows. Nine upper labials, the fourth, fifth, and sixth entering the 

 orbit. Ventrals 154 to IC8. Subcaudals 82 to 122. Uniform olive brown. Below yellow. 

 Each ventral black dotted at its angle, the spots confluent posteriorly. A narrow pale 

 olive-yellow lateral band anteriorly. In one male from Yuuau the subcaudals were 

 entire. 



Eanges from the Khasi Hills to Western Yunan. 



T. suBMiNiATUS, Kein. 



Scales keeled, in 19 rows. Eight upper labials, tlie third, fourth, and fifth 

 entering the orbit. Colour olive-brown, passing into yellowish-green on the neck and 

 head. l?ody anteriorly handsomely reticulated with black and yellow. In the young 

 a black collar on neck. Grows to -12 inches. 



Inhabits Assam, Pegu, Tenasserim and Bengal. 



T. STOLATCS, L. 



Scales keeled, in 19 rows. Eiglit upper labials, the third, fourth and fifth 

 entering the orbit. Colour brownish-olive, with numerous reticulated cross-bars, 

 intersected by two pale buff or stone colour dorsal bands. Seasonably, the colours aro 

 brightened with red and yellow. Grows to 24 inches. 



Inhabits all India and Burma. 



Atuetium, Cojjc. 



A. SCHIST0SD.V, Daud. 



Scales keeled, in 19 rows. A single triangular prefrontal. Colour above daik 

 blackish olive, below yellowish. Grows to 25 inches (or more), 

 luhabits the Malayan Peninsula, India, and probably Burma. 



Fum/li/ Homalopsidae. 



Nasals large. Nostrils valvular. Head shields often modified and irregular. 

 Posterior maxillary fang grooved. 



