SPECIES OF MAMMALIA. 



the Gerbil ; but in the present uncertain state of species 

 belonging to this subdivision, we shall not enumerate them 

 as species otherwise than by this notice. These are the 

 Gerbillus Soricinus. Gray-brown, with a longitudinal red 

 line on the flanks. Gerbillus Megalops. (American Monthly 

 Mag. 1818, p. 44b.) Black; tail longer than the body, 

 terminated by a white tuft ; eyes large and black ; body 

 three inches long. Gerbillus Conurus. (Id.) Uniformly 

 yellow ; eyes small ; tail as long as the body, black, ter- 

 minated by a yellow tuft. Gerbillus Hudsonius. Dip^is 

 Gerbillus, Zimmerman. 



AsPALAX. Incisive-teeth, f, yellow, large, square at 

 the top and bottom, those below twice the length of those 

 above ; canines, ^^ ,• cheek-teeth, |4, with tuberculous 

 crowns ; body long, cylindrical ; eyes very small, entirely 

 covered by the skin ; no external ears; paws short, penta- 

 dactylous ; tail naked ; fur short, and soft. 



626. 1. A. Typhlus (the Spalax.) Fur blackish ash- 

 colour at the base, reddish toward the point ; head large, 

 and thick, and the whole animal cylindrical; eyes merely 

 rudimentary ; about as big as a Rat. 



Mus Typhlus, Pallas, Glires, 154. 



Spalax Microphthalmus, Guldenst. Spalax Major et 

 Glis Zumui, Erxleb. Aa'nakal or Mole of the Greeks. 



Icon. Pallas, I. c. pi. 8. Schreb. tab. 206. 



Inhabits Asia Minor, Syria, Mesopotamia, Persia, and 

 Southern Russia. 



Var. A. With large irregular white spots. 



Bathyergus. Incisors, j; canines, {!S ; cheek-teeth, 

 4^, or f|, according to F. Cuvier, = 20. Incisors very long, 

 large, and square ; cheek-teeth slightly tuberculous, in- 



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