46 



PROCEEDINGS OF THE NATIONAL MUSEUM. 



VOL. 45. 



1 j' and i2 just appearing. 



2 ji just appearing. 



' dji and di- still in place. 



4 77z3 just appearing. 



6 S. M. — Selanger Museum, Federated Malay States. 



TUPAIA GLIS BATAMANA Lyon. 



1907. Tupaia ferruginea batamana Lyon, Proc. U. S. Nat. Mus., vol. 31, p. 656, 

 Jan. 16, 1907. 



Type-locality.— Senimhsi Bay, Batam Island, Rhio Archipelago. 



Type-specimen.— In United States National Museum, Cat. No. 

 142151, Senimba Bay, Batam Island, September 15, 1905; collected 

 by Mr. C. Boden Kloss; original number, 2; in good condition. 



Geograpliic distribution. — Batam Island. See No. 18 on map on 

 page 75. 



Diagnosis. — A geographic form of Tupaia glis having a somewhat 

 grayer tail than has the mainland form, ferruginea and rather heavier 

 skull and teeth. 



Color. — With the exception of its slightly grayer tail and a brighter 

 and more rufescent shade of the upper parts of body, Tupaia glis 

 hatamana does not differ from typical T. glis ferruginea. 



STcull and teeth. — The skull and teeth of Tupaia glis hatamana 

 differ only in their slightly greater size from those of T. glis ferru- 

 ginea, the majority of specimens showing a condylo-basal length of 

 over 49 mm., and a zygomatic width of more than 26, while in the 

 mainland animal only a relatively small number exceed these meas- 

 urements; the tooth row is 19 mm. or over, and in T. glis ferruginea 

 is 19 or under, (Plate 8, fig. 9.) 



Measurements. — Type: Head and body, 200 mm. ; tail 160; hind foot, 

 45; condylo-basal length, 50.5; zygomatic width, 27.5; width of 

 brain case, 20; maxillary tooth row, 20, Extreme measurements: 

 Head and body, 180-200; tail, 141-161; hind foot, 43-47; condylo- 

 basal length, 47-51.5; zygomatic width, 26-28.5; width of brain case, 

 19-20; maxillary tooth row, 19-20.5, See table, page 47. 



Specimens examined. — Fifteen, 6 of them preserved in alcohol. 



