NORTH AMERICAN BATRACHIA AND REPTILIA. 
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Coccyx — The vertebrae of the tail, or those behind the sacrum. 
Condyle — Articulating surface of a bone. 
Connate — United into one body. 
Coracoid — A bone or cartilage on the ventral side of an animal, 
which helps to form the socket for the articulation of the arm. 
Coriaceous — Leathery. 
Costal — Pertaining to or in relation with the ribs. 
Costal grooves or plicae — Grooves or folds between the ribs. 
Cruciform — Cross-like. 
Dentaries — Distal ossification of the mandible or lower jaw. 
Depressed — Flattened. 
Diaphragm — The muscular septum separating the thoracic and 
abdominal cavities. 
Diapophyses — Transverse processes of the vertebrae. 
Digits — Fingers and toes. 
Distal — Remote from point of attachment. 
Dorsal — Pertaining to the back or upper surface. 
Edentulous — Without teeth. 
Emarginate — Slightly notched at tip. 
Epicoracoid — Equivalent to precoracoid of Huxley. It is a por- 
tion of the coracoid bone or cartilage lying in front of and 
more or less separated from the rest by a fontanelle. 
Femoral pores — Pores along the under surface of tbe thigh. 
Fontanelle — A space between bones occupied by a membrane. 
Fossa — A depression or excavation more or less cup-shaped. 
Fronto-parietal — A bone formed by, and occupying the place of, 
the frontal and parietal. 
G. Gastrosteges — Transverse band-like plates on the abdomen. 
Gular fold — A transverse fold across the throat. 
Hypopophyses — A process from the median line of the under 
surface of the bodies of the vertebrae. 
Iliac bones — That part of the pelvic bones which articulates with 
the vertebrae. 
Imbricate — Overlapping, like shingles. 
Internasals — Plates on top of snout, between nasals. 
Isodont — Equal toothed. 
Keel — Ridge. 
