22 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 6l 



Blyth's description of E. jerdoni indicates that the Sikkim animal, 

 if related to any species occurring on the Malay Peninsula, is like 

 Epimys asper, though decidedly smaller. , 



EPIMYS SOLUS, new species 



Type. — Adult male (skin and skull), No. 123944, United States 

 National Museum. Collected on Pulo Terutau, west coast of Malay 

 Peninsula, November 16, 1903, by Dr. W. L. Abbott. Original No. 

 2902. 



Diagnosis. — A member of the Epimys cremoriv enter group agree- 

 ing with E. bitkit from Jalor in large general size, but differing in 

 the longer tail and hind foot ; color as in Epimys gilbiventer of Sulli- 

 van Island, Rhio Archipelago. 



Measurements. — Head and body, 160 (121) mm. j 1 tail, 220 (148) ; 

 hind foot without claw, 30 (24.5) ; ear, 17 (17) ; condylobasal length 

 of skull (teeth moderately worn), 32.8; greatest length, 36.5 (37) ; 

 zygomatic breadth, 17.1 (18); interorbital constriction, 6.6 (6); 

 breadth of braincase, 14.5 (15) ; depth of braincase, 10.0; nasal, 13.0 

 (15) ; diastema, 8.7 (9.5) ; mandible, 19.7; maxillary toothrow (al- 

 veoli), 6.3 (6.5) ; mandibular toothrow (alveoli), 6.1. 



Specimen examined. — The type. 



SCIURUS ATRISTRIATUS, new species 



Type. — Half grown female (skin and skull), No. 196670, United 

 States National Museum. Collected at Lo Bon Bon, Dutch Southeast 

 Borneo, June 4, 1912, by H. C. Raven. Original No. 13. Presented 

 by Dr. W. L. Abbott. 



Diagnosis. — A member of the notatus-group resembling Sciurus bi~ 

 limitatus of the Malay Peninsula, but underparts less slaty (between 

 pallid-mouse-gray and white instead of a gray much like the paper 

 on which the colors in Ridgway's "Standards" are mounted), 

 throat with scarcely a trace of rusty wash, light bands on hairs of 

 tail more yellowish, and pencil nearly clear black, its hairs without 

 annulations. 



Measurements. — Head and body, 127 mm.; tail, 145; hind foot, 

 34 (dry, 35, 32.5) ; condylobasal length of skull, 31.7 ; mandible, 21.4. 



Specimen examined. — The type. 



Remarks. — The slaty-bellied squirrels of the vittatus-group show 



1 Measurements in parenthesis are those of the type, an adult male, of 

 Epimys bukit as given by Bonhote. (Fasc. Malayenses, Zool., pt. 1, p. 27. 

 July, 1903.) 



