• SYNOPSIS OF THE 



Ohs. Considered by some authors as the Mus Longjpes 

 of Linnaeus. 



623. 4. G. JEgyplius (Egyptian Gerbil.) Upper part 

 of the body bright yellow, under part pure white ; tail a 

 little longer than the body, brown, and terminated with a 

 few long hairs ; hind legs very long ; about the size of a 

 Mouse. 



Dipus Gerbillus, Olivier^ Bull, de la Soc. Philom. n. 40. 

 ejusd. Voyage dans V Empire Ottom. t. iii. 157. Mus 

 Longjpes, Lin. Dipus Pyramidum, Geoff. Gerbillus 

 iEgyptius, Desmarest, Ency. Method. Mam. Sp. 516. 



Icon. Oliv. Voy. dans r Empire Ottom. pi. 28. f. A, B, C. 



Inhabits the vicinity of Memphis and the Pyramids of 

 Egypt. 



624. 5. G. Canadensis (Canadian Gerbil.) Yellowish 

 above, white underneath; ears short; tail almost de- 

 nuded, rather longer than the body, without tuft at the 

 end. 



Dipus Canadensis, Davies, Lin. Trans, iv. 155. Ger- 

 billus Daviesii, Rafimsque Precis, des Decouvertes Simio- 

 logique, 14. 



Icon. Liji. Trans, iv. 



Inhabits the vicinity of Quebec, 



625.7. G. Lahradorius (Labrador Gerbil.) Fur brown 

 above, beneath white, without a dividing line ; toes four 

 before, five behind ; tail more than half the length of the 

 body. 



Mus Labradorius, Sab. Append. Frank. Voy. 661. 

 Gerbillus Labradorius, Harlan, Faun. Amer. 157. 



Inhabits Labrador. 



M. RafRnesque has named others as distinct species of 



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