NORTH AMERICAN BATRACHIA AND REPTIL1A. 
15 
black above and below; L. six inches. Mountains, southward 
from Pennsylvania; JF. Illinois. 
Family PLEUKODELID^E. 
Genus Diemyctylus, Rafin. 
Palatine teeth in two longitudinal series, diverging behind; 
tongue attached, lateral margin alone slightly free ; ribs rudimen- 
tary ; tail small, compressed from base ; toes four in front, five 
behind, the inner and outer rudimentary. 
41. D. miniatns , subsp. mi hiatus, (Paf.) Cope. Ped Eft. 
Above red ; sides with a row of large vermilion spots ; beneath 
paler or yellowish, with numerous black dots; skin rougher than 
the following; terrestial; L. three and one-half inches. Eastern 
and Austroriparian regions. 
42. D. miniatns , subsp. viridescens , (Paf.) Cope. Spotted 
Triton. Above olive-green, varying in shade, with a pale dorsal 
streak ; beneath lemon-yellow ; other markings as in the preced- 
ing ; dorsal crest more developed ; aquatic. Eastern and Austro- 
riparian regions. 
Order ANURA. 
, Synopsis of Sub-Orders and Families. 
A. Toothless. 
a. Epicoracoid* divergent from coracoid, and connected with 
it by a longitudinal cartilaginous arch which is free from, 
but overlaps corresponding arch on opposite side. 
Sub-order Bufoniformia . 
Superior plate of ethmoid ossified ; sacral diapophyses 
dilated; coccyx attached to two condyles; tongue 
free posteriorly Bufonidce. 
b. Epicoracoids, when present, in contact with coracoids; 
the distal ends of the former separated from those of 
the latter by articular cartilage only. 
Sub-order Firmisternia. 
Epicoracoids wanting; sacrum and coccyx not con- 
fluent; sacral diapophyses dilated. . . Engystomidce. 
B. Teeth on upper jaw. 
a. Epicoracoids directed forward, divergent from coracoids, 
and connected with them by overlapping cartileges. 
Sub-order Arcifera. 
*The precoracoid and acromial of some authors. 
