81. RHADIN@A. ee ek" 
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 spot. 
or dot at the outer end of each ventral. 
Total length 410 millim. ; tail 180. 
Central oneene. 
a, b. 3 (V. 128, 128; C.120,?). Mexico. M.Sallé[C.]. (Types.) 
ce. 3b (V.122;C.?), 2 (V. 129; Atoyac. Mr. H. H. Smith [C.]; 
C. 102), & her. (V. 122; C. 2). F. D. Godman, Esq. [ P. 
22. Bhadinna vermiculaticeps. 
Teeniophis vermiculaticeps, Cope, Proc. Ac. Philad. 1860, p. 249. 
Rhadineea vermiculaticeps, Cope, Proc. Ac. Philad, 1863, p. 101. 
Coronella vermiculaticeps, Giinth. Biol. C.- -Am., Rept. p. TL (1893). 
Snout short, eye large; frontal elongate; loreal as deep as long ; 
one pre- 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 
white, each ventral with a deep brown dot at each end near the 
posterior border. 
Total length 330 millim. ; tail 115. 
Veragua, Costa Rica. 
23. Rhadineza clavata. 
Dromicus clavatus, Peters, Mon. Berl. Ac. 1864, p. 388; Bocourt, 
Miss. Sc. Mex., Rept. p. 711, pl. 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 pree- 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 lines ; 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. Ul, 
