SCIURID.33— SPERMOPBILUS GRAMMURUS AND VARIETIES. 835 



Table LXXXIV. — Measurements of three skulls of Spermophilus grammurus Bar. dougi.assi. 



Table LXXXV. — Measurements of six specimens of Spermophilus grammurus var, grammurus. 



* From Baird, Mam. N. Amer. p. 311. 



Table LXXXVI. —Measurements of eight specimens of Spermophilus gkammuiivs var. beecheyi. 



* Specimens in Museum of Comparative Zoology, Cambridge, Mass. 



