195 



TAMIAS QUADRIVITTATUS.— Say. 



Four Striped GBOuND-SftuiKKEL. 



PLATE XXV.— Male, Female, and Young. Natural size. 



T. striis quinque sub nigris longitudinalibus, cum quatuor sub albidis 

 dorso alternatum distributis ; corpore magnitudine T. Lysteri minore ; 

 lateribus rufo fuscis, ventre albo. 



CHAEACTEES. 



Smaller than Tamias Lysteri ; five dark brown stripes, and four light- 

 coloured stripes occupying the whole back ; sides, reddish-brown; underneath, 

 white. 



SYNONYMES. 



SciURHS QuADBiviTTATUs, Say, Long's Expedition, vol. ii., p. 3-19. 



" " GrifEth, Animal Kingdom, vol. v., No. 665. 



" " Harlan, Fauna, p. 180. 



" " Godman, vol. ii., p. 137. 



SciuRus (Tamias) Quadrivittatus, Rich., Zool. Jour., No. 12, p. 519, April, 1828; Fauna 



Boreali Americana, p. 184, pi. 16. 

 Tamias Minimus, Bach., Journ. Acad. Nat. Sc. Phila., vol. viii., part 1, Young. 



DESCRIPTION. 



Head, of moderate size ; nose, tapering, but not very sharp. The mouth 

 recedes very much, (as in all the other species of Tamias ;) cheek-pouches, 

 of moderate size ; whiskers, about the length of the head ; eye, small ; 

 ears, erect, of moderate length, clothed on both surfaces with very short 

 hairs ; body, rather slender ; fore-feet, with four toes and a small thumb, 

 armed with an obtuse nail ; pabns, naked ; claws, compressed, and curved 

 like those of Tamias Lysteri. Hind-feet, with five slender toes; soles, 

 covered with short hairs for three-fourths of their length ; tail, long, nar- 

 row and sub-distichous. 



COLOUR. 



Forehead, dark-brown, with a few whitish hairs interspersed ; a nar- 



