MURIDZ.—PTEROMYS, 209 
Anomalurus pelii. 
Blainy., Ostéog. G. Sciurus, pl. 1 (skeleton). 
Cervical vertebre............., fs 
Dorsall3 53 4 tile sie agent rine ass 15 
GUTAD aR a syoadaaann- eta eed eos 10 
ACTA ec actaedsaceuneshovercua he daacenty oes 4 
Caudal ci.3 ssscies wo Geto a een eae 30 
*a, Skull. 
b. Skelotin, | Coast of Guinea, From Mr. Frank’s Collection, 
Anomalurus beecroftii. 
*a, Skull. Fernando Po. Purchased of Mr. Fraser. 
PTEROMYS. 
a aly is Z 
Teeth :—Incisors =; Molars = ;=22. 
The Japan Fryine Squrrrer. Pteromys leucogenys. 
Temm., Faun. Japon. pl. 13. figs. 3 & 4 (skull). 
¥*qa, Skull. Japan. 
The Tacuan. Pteromys petaurista. 
F. Cuv., Dents des Mamm. p. 163. no. 57 (dentition).—Blainv., Ostéog. 
G. Sciurus, pl. 2 (skeleton). 
Pteromys taguan, F. Cuv., Mém. du Mus. Hist. Nat. x. p. 126, pl. 10. 
fig. 6 a, 6 (skull). 
a. Skull. From the Zoological Society’s Collection. 
Pteromys momoga. 
Temm., Faun. Japon. pl. 14. figs. 3 & 4 (skull). 
Pteromys melanotis. 
%*q, Skull. Singapore. Presented by H. Low, Esq. 
The Kovrat or ORANGE-SHOULDERED Tacuan. Pteromys magnificus. 
Cervical vertebre.............- 7 
Doral 4.3) eak g Wats ainde ae Soe 12 
Puiibar. -G0G.h paenciadtes Giaye A 
Saeral ascasciccaag cae acca eee 3 
Caudal. i iceiiiined anaes aus 31 
a-c. Skulls: adult. Presented by B. H. Hodgson, Esq. 
d, Skull. 
