59. sPILOTES. ’ 93 
59. SPILOTES. 
Tyria, part., Fitzing. N. Class. Rept. p. 29 (1826). 
Spilotes, Wagler, Syst. Amph. p. 179 (1830). 
Spilotes, part., Dum. §& Bibr. Erp. Gén. vii. p. 218 (1854); Giinth. 
Cat. Col. Sn. p. 96 (1858) ; Jan, Elenco sist. Ofid. p. 62 (1863) ;. 
Bocourt, Miss. Sc. Mex., Rept. p. 685 (1888). 
Maxillary teeth equal, 19 to 22; anterior mandibular teeth 
longest. Head slightly distinct from neck; eye moderate, with 
round pupil; no suboculars, loreal often absent. Body elongate, 
slightly compressed ; scales keeled, very strongly imbricate, acutely 
pointed, with apical pits, in 14 or 16 rows; ventrals rounded. 
Tail rather long ; subcaudals in two rows. 
South America. 
1. Spilotes pullatus. 
Coluber pullatus, Zinn. Mus. Ad. Frid. p. 35, pl. xx. fig. 3 (1754), 
and §., .N. i. p. 388 (1766). 
Cerastes coronatus, Laur. Syn. Rept. p. 83 (1768). 
Coluber coronatus, Gmel, S, .N. i. p. 1088 (1788). 
variabilis, Merr. Beitr. ii. p. 40, pl. xii. (1790); Wired, Beitr. 
Nat. Bras. i. p. 271 (1825), and Abbild. (1831); Schleg. Phys. 
Serp. ii. p. 149, pl. vi. figs. 1 & 2 (1837). 
plutonius, Daud. Rept. vi. p. 824 (1803). 
Natrix caninana, Merr. Tent. p. 121 (1820). 
Tyria pullata, Fitz. N. Class. Rept. p. 60 (1826). 
Spilotes pullatus, Wagl. Syst. Amph. p. 179 (1830); Bocourt, Miss. 
Sc. Mex., Rept. pl. xliv. fig. 2 (1888). 
variabilis, Dum. § Bibr. vil. p. 220 (1854); Wucherer, Proc. 
Zool. Soc. 1861, p. 324. 
variabilis, part., Giinth. Cat. p. 99 (1858). 
—— pullatus, var. anomalolepis, Locourt, /. c. p. 685, pl. xliv. fig. 3. 
Rostral slightly broader than deep, visible from above; inter- 
nasals broader than long, much shorter than the prefrontals ; frontal 
once and one third to once and a half as long as broad, as long as 
or a little shorter than its distance from the end of the snout, a 
little shorter than the parietals ; loreal very small or absent, the 
posterior nasal often in contact with the preocular, which is 
single; two postoculars; temporals 1+1; six or seven upper 
labials, third and fourth entering the eye, fifth or sixth very large ; 
four lower labials in contact with the anterior chin-shields, which 
are as long as or a little shorter than the posterior. Scales in 16 
rows. Ventrals 198-232; anal entire; subcaudals 90-120. Black 
above, uniform or with yellow spots which may form cross bands ; 
snout and sides of head yellow, the sutures between the shields 
black ; belly yellow, with irregular black cross bands. 
Total length 2100 millim. ; tail 490. 
South America east of the Andes. 
A. Black and yellow. 
; C. 103). Berbice. 
; C. 98). Brit. Guiana. Demerara Museum. 
