152. LEPTODIRA. 89 
Maxillary teeth 15 to 18, gradually and feebly increasing in 
length, followed, after an interspace, by a pair of enlarged grooved 
teeth situated just behind the vertical of the posterior border of the 
eye; mandibular teeth, anterior slightly enlarged. Head distinct 
from neck ; eye large, with vertically elliptic pupil ; posterior nasal 
concave. Body cylindrical or moderately compressed ; scales 
smooth or faintly keeled, with apical pits, in 17 to 25 rows; 
ventrals rounded. ‘Tail moderate or rather long; subcaudals in 
two rows. : 
Tropical and South Africa; Tropical America, northwards to 
Texas. 
Synopsis of the Species. 
I. Anal entire; scales in 19 (exceptionally 17) rows; ventrals 
144-180; subcaudals 32-54 .... 1. hotambeia, p. 89. 
II. Anal divided. 
A. Subcaudals 51-72; lateral spots none, or very small. 
1. Seales in 19 rows. 
Seven upper labials ; ventrals 151-164. 2. punctata, p. 91. 
Eight upper labials; ventrals 170-196. 3. nigrofasciata, p. 92. 
2. Scales in 21 to 25 rows. 
Nine upper labials; ventrals 188 .... 4. frenata, p. 92. 
Eight upper labials; ventrals 194.... 5. septentrionalis, p. 93. ' 
Eight upper labials; ventrals 160-180. 6. personata, p. 93. 
B. Subcaudals 71-107, 
1. Scales in 21 or 23 rows; rostral twice as broad as deep ; 
lateral spots present. 
MIRNA OO oo aw asia, eendaie'ss « 7. ocellata, p. 94. 
Ventrals 172-211; 0.0.62. c.cecwess 8. albofusca, p. 95. 
2. Scales in 19 (exceptionally 17 or 21) rows; ventrals 175- 
195 ; rostral not twice as broad as deep. 
9. annulata, p. 97. 
1. Leptodira hotambeia. 
Seba, Thes. i. pl. xxxiii. fig. 6, & Ixxv. fig. 3 (1734). 
Coronella hotambeeia, Law. Syn. Rept. p. 85 (1768). 
virginica, Laur. 1. ¢. p. 86. 
Coluber rufescens, Gmel. S. N. i. p. 1094 (1789); Daud. Rept. vii. 
p- 110 (1803). : 
— hitambeeia, Gel. 1. c. p. 1113. 
—— bicolor, Leach, in Bowdich, Miss. Ashantee, p. 493 (1819). 
Ophis P ease ss, Duvernoy, Ann. Se, Nat. xxx. 1833, p. 9, pl. i. 
fig. 
