74 REPORT, OF NEW: JERSEY STATE MUSEUM. 
Salamandra subfusca Green, 1. c., p- 351.—Harlan, Journ. 
Acad. Nat. Sci. Phila., V, pt. 2, 1827, p. 331.—Harlan, Med. 
Phys. Res., 1835, p. 96. 
Salamandra rubriventris Green, 1. ¢., p. 353.—Harlan, Med. 
Phys: Res.,)1835,p. 97. 
Proteus neo cesariensis Green, |. ¢., p. 358.—Harlan, Med. 
Phys. Res., 1835, p. 165. 
Family DESMOGNATHID. 
The Dusky Salamanders. 
Pterygoids wanting. Otbitosphenoid separated by membrane 
from prootic. Vestibule, internal wall osseous. Dentigerous 
plates on parasphenoid. Ceratohyal articulating with quadrate. 
Carpus and tarsus cartilaginous. Vertebre opisthoccelous. 
Hyoid appartus as in Plethodontide. 
A single genus with several species, mostly aquatic. 
Genus DESMOGNATHUS Baird. 
The Dusky Salamanders. 
Desmognathus fusca (Rafinesque). 
PLATE 15. 
Dusky Salamander. Black Water Lizard. Yellow Salamander. 
Brown Newt. 
Head 7%; depth 1114; width of head 1% in its length from 
tip of snout to gular fold; length of mouth 2; interorbital space, 
measured from eye-sockets, 5; width of mouth 144; fore limb 
1%; hind limb 1; tail, measured from just behind vent, less 
than rest of body by length of snout. Body rather robust, stout, 
generally cylindrical, though somewhat depressed above and 
below. Edges of body all convexly rounded and smooth, with- 
out ridges. Also body more or less swollen in appearance, with- 
