MURIDJE. SCIURUS. 211 



The PoLAToucnE. Sciuropterus volans. 



Pteromys volans, Pander unci If Alton, Vergl. Osteol. no. 6. pi. 8 

 (skeleton). — Blasius, Faun. Wirb. Deutschl. p. 268. fig. 152 (skull), 

 1857. 



Sciurus volans, F. Cur., Me"m. du Mus. Hist. Nat. x. p. 126. pi. 10. 

 fig. 5 a, b (skull). 



Polatoucke, Buff., Hist. Nat. x. p. 114. pi. 21 (skeleton). 



*a. Skull. Siberia. 



*b. Skull. Altai Mountains, Russia. 



*c. Skull. 



SCIURUS. 



Teeth :— Incisors t»; Molars £ or f^; = 20 or 22. 



1-1 ' 4-4 4-4 ' 



The Jellerang or Javan Squirrel. Sciurus javensis. 



Cervical vertebras 7 



Dorsal 13 



Lumbar 6 



Sacral 3 



Caudal 31 or 32 



a. Skeleton. Java. From Mr. Warwick's Collection. — S. tricolor. 

 *b, *c. Skulls. 



The Rasoo or Ratufa. Sciurus purpureus. 

 Sciurus maxirnus, Blainv., Oste"og. G. Sciurus, pi. 1 (skull). 



a. Skull. India. From Mr. Stevens's sale. 



b. Skull. From the Zoological Society's Collection. 

 c-e. Skulls. 



The Long-tailed Squirrel. Sciurus ephippium. 



Miller, S. Verb. Nat. Gesch. tab. 13. figs. 2, 3 (skull). 

 Sciurus aureiventer, Is. Geoff., Mag. de Zool. 1839, pi. 34. figs. 1-3 

 (skull). 



*a, *b, *c. Skulls. Borneo. 



The Squirrel. Sciurus europaeus. 



Sciurus vulgaris, Linn., S. N. xii. p. 96. no. 1. — Fischer, Prod. Cran. 

 Comp. tab. 11. fig. 5 (skull), 1811.— Pander und D' Alton, Vergl. 

 Osteol. pi. 4 (skeleton), 1821-31.— Waterhouse, Mag. Nat, Hist. 

 1839, fig. 5a, b, c, d, e (skull).— Owen, Odont, pi. 105. fig. 1 (den- 

 tition), 1840-45.— Blasius, Faun. AVirb. Deutschl. p. 27. fig. 153 

 (skull), 1857. — Blainv., Oste"og. G. Sciurus, pi. 2 (skeleton, skidl, 

 &c). 



ficureuO, Buff., Hist. Nat. vii. p. 253. pi. 35 (skeleton). 



Cervical vertebrae 7 



Dorsal 12 



p2 



