ACROCHORDUS. REPTILES. 359 



C. viridissimus, Lin. (C. janthinus, Merrem.) Body bright blue- 

 green, with a tinge of purple on the back ; abdomen whitish, with 

 the scales dilated towards the middle. 3 feet long. Inhabits 

 Surinam. Sham, iii. 471. 



C. lineatus, Lin. (C. jaculatrix and atratus, Seb. terlineatus, 

 Lacep.) Body bluish-green above, with three or live brown longi- 

 tudinal stripes, of which the middle one is broadest. 2 to 3 feet 

 long. Inhabits India. Shaw, iii. 529. 



The other foreign species of this genus .ire very numerous. Some are remarkable for 

 the vivacity of their colouring ; others by the regularity of its distribution ; and others 

 by their extremely slender forms. Few of them are of any large size. 



Gen. 14. ACROCHORDUS, Hornsted. 



Body and tail covered with small uniform tuberculous scales ; 

 two rows of teeth ; body much thicker than the tail. 



A. Javensis, Lacep. (Anguis granulatus, Schn.) Body black above, 

 whitish below ; sides gray, spotted with black ; scales raised, each 

 into three small ridges, and sometimes resembling isolated tuber- 

 cles. 8 feet long ; tail less than one-fourth of the total length. 

 Inhabits Java. Shaw, iii. pi. 128. 



4. With poison fangs. 



The jaws of this section are organized and armed nearly as the preceding ; but 

 the number of teeth in the exterior row is smaller, and the first of these teeth, larger 

 than the others, is hollow, and conducts the poison into the wound. 



Gen. 15. PSEUDOBOA, Oppel. Boa, Schn. 



Plates of the belly and under the tail single, head short, covered 

 with large plates ; occiput a little prominent ; back carinated, 

 with a longitudinal row of broader scales. 



P. fasciata, Cuv. Body subtri angular, yellowish, with numerous 

 dusky blue transverse longitudinal bands. 5 feet long. Inha- 

 bits India. Shaw, iii. pi. 99. 



P. lineala, Cuv. (Boa lineata, Shaw.J Body blackish-blue, with 

 white dotted transverse arcuated lines and whitish abdomen. In- 

 habits India Shaw, iii. 356. 



Gen. 16. TRIMERESURUS, Lacep. 



Plates under the tail, near the vent, single, and double plates 

 towards the extremity ; head with large plates. 



T. leptocephalus, Lacep. With nine large plates on the head; scales 

 of the upper part of the back striated, the others smooth ; head 

 very small. An. Mus. iv. pi. 56, fig. 1. 



Gen. 17. HYDROPHIS, Cuv. Hydrus, Shaw, Schn. 



A row of scales on the belly a little larger than the others ; 

 head small, not tumid, covered with large plates ; tail com- 

 pressed vertically. 



