MAMMALIA. 
105 
Genus 15. —Aspalax. — Desmarest. 
Generic Character. —Incisors j*, no canines, grinders |-|; to¬ 
tal 16. Incisory teeth large ; square at top and bottom ; those 
in the under jaw twice the length of the upper ones ; grinders 
with tuberculous crowns; body long, cylindrical; eyes very 
small, concealed by the skin ; no external ears; feet short, with 
five toes; tail naked; fur short and soft. 
Aspalax typhlus .— The Spalax. 
Plate XXI. fig. 1. 
Fur blackish ash colour at the base, reddish towards the 
point ; head large and thick; the whole animal cylindrical-, eyes 
concealed by the fur. About eight inches long. Inhabits Asia 
Minor, Syria, Mesopotamia, Persia, and Southern Russia. 
This is the mole of the ancieuts. There is a variety with irre¬ 
gular white spots. 
Genus 16.—B athyergus. — Cuvier. 
Generic Character. —Incisors |, no canines, grinders or 
j>—^; total 20 or 16. Incisory teeth very long, large, and square ; 
grinders slightly tuberculous, indented on the edges ; body thick 
and cylindrical; head thick; muzzle truncated ; eyes small; no 
external ears; feet short, with five toes on each; nails formed 
for digging; tail very short. 
Bathyergus maritimus .— Coast Bathyergus. 
Plate XXI. fig. 2. 
Fur whitish-gray; tail flat, covered with rough hairs ; body 
above a foot long; tail about three inches. Inhabits the Cape 
of Good Hope. 
Genus 17.— Pedetes.— Desmarest .— 
Generic Character. —Incisory teeth no canines, grinders 1 ; 
total 20. Lower incisory teeth cut obliquely, and not pointed; 
grinders formed of two elliptical parts, united at their external 
