SPECIES OF MAMMALIA. 



663. 20. S. Grammurus (Lined-tail Squirrel.) Body 

 cinereous; fur very coarse; three black lines on each side 

 of the tail. 



Sciurus Grammurus, Say^ Long's Exped. vi. 72. 



Icon. 



Inhabits the Rocky Mountains, America. 



664. 21. S. Lateralis (Side-marked Squirrel.) Above 

 brownish, cinereous ; each side of the back marked with 

 dull yellowish stripes, white dilated line, broader before. 



Sciurus Lateralis, Say, Long's Exped. Rocky Mount. 

 VI. 46. 



Icon. 



Inhabits the Rocky Mountains, America. 



665. 22. S. Quadrivittatus (Four-banded Squirrel.) 

 Head brownish, intermixed with fulvous, marked with 

 four white lines; sides fulvous ; beneath whitish. 



Sciurus Quadrivittatus, Say, Long^s Exped. Rocky 

 Mount. VI. 4.5. 



Icon. 



Inhabits the Rocky Mountains, America. 



666. 23. S. Magnicaudatus (Large-tailed Squirrel.) 

 Body above, and each side, mixed with gray and black ; 

 sides of the head and orbits pale ferrugineous ; cheeks, 

 under the eyes, and ears, dusky. 



Sciurus Macrourus, Say, Long''s Exped. Rocky Mount. 

 VI. 115. S. Magnicaudatus, Harlan^ Faun. Amcr. 178. 



Inhabits Canada. 



Length of head and body one foot seven inches ; tail ten 

 inches. 



667. 24. S. Clarkii (Clarke's Squirrel.) Silvery gray 

 above ; shoulders, flanks, belly, and insides of limbs, white, 



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