348 OPHIDIA. 



Head vermilion, immaculate C. bivirgatus, p. 348. 



A vermilion, black-edged band runs along the vertebral line from the occiput 



to the tip of the tail C. intestinalis, p. 348. 



A black vertebral line with small, equidistant, button-like swellings, accom- 

 panied by a series of round black spots on each side C. gracilis, p. 349. 



Upper labials seven ; a yellow Ijand across the head, behind the eyes . . . C. macclellandii, p. 349. 



Upper labials six ; a yellow baud across the head, behind the eyes . . . . C. annularis, p. 350. 



Upper labials six; ventrals 258-374. Head and neck black, spotted with 



yellow C. trimaculatus, p. 350. 



Upper labials seven ; ventrals 205-247. Upper part of the snout black, emit- 

 ting three black longitudinal streaks, which join a broad black collar . . C. maculiceps, p. 351. 



Upper parts blackish or black, uniform, or with indistinct ornamental mark- 

 ings; lower parts red ; bead with symmetrical black markings .... C. nigrescens, 'p. 3o\. 



CaLLOPHIS BIVIEGATUS. 



Elaps bivirgatus, (Boie) Schleg. Phys. Serp. p. 451. pi. 16. figs. 10 & 11 ; and Abbild. taf. 47. 



G'dnth. Colubr. Snakes, p. 230. 



flaviceps. Cantor, Mai. Rept. p. 109. 



Doliophis flaviceps, Girard, in U. S. Explor. Escped. Herpetol. pi. 10. figs. 1-5 (coloured from a 



specimen in spirits). 

 Callophis bivirgatus, Giinih. Proc. Zool. Soc. 1859, p. 81. 



Head, belly, and tail vermilion (yellowish in spirits) ; body, a dorsal band on the tail, and 

 the outer portion of the ventral shields black ; an azure band, longitudinally divided by 

 a white zigzag line, along the two outer series of scales. Upper labials six. Ventrals 

 248-284; subcaudals 38-50. Temporal shields two, one behind the other, subequal in size. 



Found in Borneo, Java, Sumatra, the Malayan Peninsula, and at Pinang. We have a 

 specimen which is 54 inches long, the tail measm-ing 5 inches. 



Two narrow white lines run along the back sometimes ; this variety has been named Elaps 

 tetratcenia by Dr. van Bleeker. 



Callophis intestinalis. 



Seba, ii. tab. 77. fig. 6 (var. javan.). 



Aspis intestinalis, Laur. Syn. Amph. p. 106. 



Elaps furcatus, Schneid. Hist. Amph. p. 303. Schleg. Phys. Serp. ii. p. 450. pi. 16. figs. 12 & 13 ; 



Abbild. taf. 46. figs. 1-8 (var. javan.); and Verhand. Nederl. Overz. Bezitt. Zool. p. 64. Motley 



^ Dillw. Labuan, p. 45. 

 Russell, Ind. Serp. ii. pi. 19 (var. javan.). 

 Maticora lincata, Gray, Illustr. Ind. Zool. c. fig. (var. malay.). 

 Elaps intestinalis. Cantor, Mai. Rept. p. 107. GUnth. Colubr. Snakes, p. 230. 

 Callophis intestinalis, GUnth. Proc. Zool. Soc. 1859, p. 82. pi. 16. fig. A. (var. philipp.), B. (var. 



javan.), C. (var. malay.). 



Head light brown above, yellowish below, spotted with black on the sides; a vermilion. 



