81. RHADIN.SM.. 177 



lower labials in contact with the anterior chin -shields, which are 

 shorter than the posterior. Scales in 17 rows. Ventrals 117-137 ; 

 anal divided ; subcaudals 90-120. Length of the tail more than 

 one third of the total. Pale brown above, with a yellowish black- 

 edged streak along each side of the back, an oblique yellow black- 

 edged streak on the outer border of the parietal, and a yellow black- 

 edged spot on each side of the nape ; upper lip yellow, black-edged; 

 sides darker than back ; yellow below, with or without a black spol 

 or dot at the outer end of each ventral. 



Total length 410 millim. ; tail 180. 



Central America. 



«, b. r? (V. 128, 128; C. 120, ?). Mexico. M. Salle [C.]. (Types.) 

 c-e. d" (V. 122; C.P), 2 (V.129; Atoyac. Mr. H. H. Smith [C.l ; 

 C. 102), & hgr. (V. 122 ; C. ?). F. D. Godman, Esq. [PJ. 



22. Ehadinaea vermiculaticeps. 



Tjeniophis vermiculaticeps. Cope, Proc. Ac. Philad. 1860, p. 249. 

 Rhadinaja vermiculaticeps, Co^^e, Proc. Ac. Philad. 1863, p. 101. 

 Coronella vermiculaticeps, Gunth. Biol. C.-Am., Pept. p. Ill (180-3). 



Snout short, eye large ; frontal elongate ; loreal as deep as long ; 

 one pra3- and two postoculars ; eight upper labials, fourth and fifth 

 entering the eye ; posterior chin-shields longer than the anterior. 

 Scales in 17 rows. Ventrals 117 ; anal divided ; subcaudals 79. 

 yellowish brown above, with two deep brown dorsal streaks, sepa- 

 rated by the width of one scale, diverging on the neck and extend- 

 ing to the outer posterior angle of the supraocular shield ; another 

 dark streak on each side of head and body, passing through the 

 eye ; head brown above, vermiculated with yellowish ; labials 

 whitish, narrowly edged with brown ; chin and belly yellowish 

 while, each ventral with a deep brown dot at each end uear the 

 posterior border. 



Total length 330 millim. ; tail 115. 



Veragua, Costa Rica. 



23. Rhadinsea clavata. 



Dromicus clavatus, Peters, Man. Bcrl. Ac. 1864, p. 388 ; Bocourt, 

 Miss. Sc. Me.v., Rept. p. 711, pi. xlv. fig. 2 (1890). 



Rostral visible from above ; frontal once and a half as long as 

 broad, a little shorter than the parietals ; loreal a little longer than 

 deep ; one prse- and two postoculars ; temporals 1 -|- 2 ; eight upper 

 labials, fourth and fifth entering the eye ; four lower labials in 

 contact with the anterior chin-shields. Scales in 19 rows. Ventrals 

 127 ; anal divided ; subcaudals 89. Pale brown above, with three 

 dark longitudinal linos ; head brown above, with a dark longitudinal 

 streak on the frontal, and a yellow line on each side beginning 

 above the nostril and terminating club-shaped behind the eye ; a 

 short yellowish-brown longitudinal band on each side of the nape ; 

 labials yellowish white, edged above by a black line ; beneath yellow. 



Total length 240 millim. ; tail 87. 



Mexico. 



VOL. 11. N 



