SYNOPSES AND DESCRIPTIONS 101 
largest. Submentals two pairs, posterior less than half as large as the 
anterior. Scales smooth, in thirteen rows, medial a little longer than 
broad, outer and caudal as broad as or broader than long.  Ventrals 
112—131. Anal divided. Subcaudals 24—36 pairs. 
Uniform lustrous reddish-brown above (more red in life); light yellowish 
beneath to second row of scales (flesh-color or red in life). Mississippi 
Valley to Illinois and to Massachusetts. 
VAR VERMIS. 
Cetuta vermis Kenn., 1859, Pr. Ac. N. Se., Phil., 99. 
Larger than C. amoena. Prefrontals and internasals separate. Black 
color of the back reaching only to the third rows of scales. Missouri and 
Kansas. <A variety of the preceding. 
GEOPHIS. 
Wagler, 1830. 
Body elongate, subcylindrical; head scarcely distinct from the neck; 
tail short, subconical. Eyes small. Teeth equal, smooth. Crown-shields 
nine. Internasals much smaller than the prefrontals, rarely suppressed or 
fused. Nasal divided. Loreal and anteorbital united. Postorbitals one 
to two. Seales smooth, in 15 to 19 rows. Anal entire. Subeaudals in 
two rows. 
Seales in 15 rows; 
back transversely banded with black; 
parietal and labials in contact semidoliatus. 
scales in 17 rows; 
back black; 
frontal longer than broad; 
parietal and fifth labial in contact bicolor. 
back plumbeous ; 
frontal broader than long; 
parietal and labials not in contact latifrontalis. 
scales in 19 rows; 
back crossed by bands of black; 
parictals and labials not in contact lippiens. 
