SYNOPSES AND DESCRIPTIONS. 81 
CALAMARINAE. 
Body cylindrical, stout to elongate; head seldom larger than the neck, 
comparatively short. [ye small to medium, pupil round. Usually some 
of the head-shields united. One anteorbital, sometimes united with the 
, loreal. Not more than two postorbitals. Scales smooth or keeled, in 13 
to 19 rows. Teeth equal and smooth, or the posterior maxillary larger 
and grooved or smooth. 
One preocular; loreal sometimes fused with other shields; 
nasal usually grooved; loreal rarely present; rostral produced ; 
anal bifid; scales smooth, in 17 rows FIcrMia. 
nasal entire; scales smooth, in 19 rows; 
anal entire; loreal present CHEILORHINA, 
nasal divided; scales smooth, in 17 rows; no loreal; 
anal bifid STENORHINA. 
nasal divided; no loreal; scales smooth, in 15 rows; 
anal divided or entire TANTILLA. 
nasal entire; loreal rarely present; scales smooth, in 15 rows; 
anal entire or divided; post maxillary teeth larger, grooved 
ELAPOMORPHUS. 
nasal entire or divided; scales smooth or keeled, in 15 rows; 
anal bifid CoNTIA. 
Loreal and preocular united ; 
nasal divided; scales keeled; 
anal entire NINIA. 
nasal divided; prefrontal entering the orbit; 
anal bifid; seales smooth or keeled VIRGINIA. 
nasal entire; rostral produced; scales smooth ; 
anal bifid CARPHOPHIS. 
nasal divided; scales smooth; 
anal entire GEOPHIS. 
FIciMta. 
Gray. 
Moderately stout, subeylindrical; head moderate, slightly depressed ; 
tail short to medium. Teeth small, equal, smooth. Eyes small to me- 
dium, pupil round, subcircular in variegata. Wead-shields seven to nine, 
Mem.—vou. 11—6 
