96 



SCIURUS CAROLINENSIS. 



In the Sierra madre this species is the only represen- 

 tant of the Genus (Alph. Forrer in litt.). 



Mounted specimens in the Leyden Museum: 



1 and 2. Adult males , Cindad Durango , Mexico , For- 

 rer", 1883. No ear-tufts. 



3 and 4. Skulls of Nos. 1 and 2. 



Sciurus caro linen sis. 



1788. Sciurus carolinensis Gmelin. Systema naturae, p. 148. 



1877. Sciurus carolinensis Allen. Mon. N.-Am. Rodentia. 

 p. 700 (partim). 



1878. Sciurus carolinensis Alston. P. Z. S. L. p. 658. 



Our large series demonstrates that there is no reason to 

 regard Allen's variety yucatanensis as a distinct and smaller 

 species. Indeed we have specimens from Guatemala and 

 Honduras which are as large as those from Tennessee and 

 other Northern localities. So this species does not show 

 a decrease in size southward. For the rest I only have 

 to add to Allen's extensive description and Alston's ob- 

 servations that there are two upper premolars. 



Hab. Southern Canada ; East United States ; Mexico ; 

 Yucatan ; Guatemala ; Honduras. 



Mounted specimens in the Leyden Museum : 

 1. Adult female , Tennessee , Troost , 1830. Colored like the 

 typical mro/mms/s-specimens. — 2. Young individual , Ten- 

 nessee, Troost, 1830. — 3. Adult female, North- America, 

 Becker, Hamburg. — 4 and 5. Adult and young , North- Ame- 

 rica. — 6. Adult male, North- America, Amsterdam-Zoological 

 Garden, 5 December 1874 — 7. Adult, North-America, 

 Beske, St. Petersburgh. Varietas alba. — 8 and 9. Y^oung 

 specimens, Yucatan, Boucard, 1880. N^». 2, 3, 4, 5, 6, 

 8 and 9 colored like N». 1. — 10, 11 and 12. Adult males, 

 Yucatan, Boucard, 1880, — 13 and 14. Adult females, 

 Yucatan, Boucard, 1880. — 15. Adult female , St. Thomas 

 (perhaps introduced.) — 16. Adult male, Guatemala, Es- 

 ciunti, Boucard, 1880. — 17 and 18. Adult male and 



Notes from the Leydeii Museuna, Vol. V. 



