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MENOBRANCHUS —Aarlan. 
Genus Menosrancnus.—Cnaracters. Gills persistent through life; head large; 
mouth large; upper jaw armed with a single series of small, conical, pointed 
teeth; palatine teeth in a series nearly concentric with the superior maxillary, and 
terminating behind the posterior nares; neck contracted, with two spiracles on 
each side, covered by three branchial tufts; tail compressed laterally, ancipital; 
extremities four; fingers four; toes four. 
MENOBRANCHUS MACULATUS.—Barnes. 
Plate XXXVII. 
Cuaracters. Body above dusky cinereous-grey, irregularly interspersed with 
sub-circular spots of darker hue; a brown stripe extends from the snout back- 
wards over the eye. 
SynonymeEs. Menobranchus maculatus, Barnes, Amer. Jour. Arts and Sci., vol. xiii. p. 68. 
Proteus of the Lakes, Mitchell, Amer. Jour. Arts and Scien., vol. iv. p. 181, also vol. 
vii. p. 63. 
Monograph of Doubtful Animals, Barnes, Amer. Jour. Arts and Scien., vol. xi. p. 268. 
Menobranchus lateralis, Harlan, Med. and Phys. Res., p. 89. 
Description. The head is large, flattened, with the snout truncated abruptly. 
The mouth is large, reaching to the eyes, and is covered by thick fleshy lips. 
The tongue is large, full, entire in front, free and movable only at its apex, and 
for a short distance along its lateral and anterior margins. 
