NO. 21 FIFTY-ONE NEW MALAYAN MAMMALS — MILLER 7 



Measurements. — Type: head and body, 475 mm.; tail, 545; hind 

 foot (dry), 81 (76.5) ; condylobasal length of skull (basal suture 

 closed, teeth slightly worn), 96.6 (104.2) ; l zygomatic breadth, 55.6 

 (58.5) ; breadth of braincase, 33.8 (35.1) ; interorbital breadth, 17. 1 

 (20.0) ; breadth of rostrum over canines, 19.2 (19.3) ; mandible, 75.4 

 (80.0) ; maxillary toothrow exclusive of incisors, 36.0 (38.0) ; man- 

 dibular toothrow exclusive of incisors, 40.5 (42.5). 



Specimen examined. — -The type. 



ARCTOGALIDIA BICOLOR, new species 



1911. Arctogalidia stigmatica Lyon, Proc. U. S. Xat. Mus., vol. 40, p. 116. 

 April 25, 191 1. (Part.) 



Type. — Adult female (skin and skull), No. 15 1875, United States 

 National Museum. Collected at Klumpang Bay, Dutch Southeast 

 Borneo, January 1, 1908, by Dr. W. L. Abbott. Original No. 3745. 



Diagnosis. — A small species related to Arctogalidia simplex of 

 Linga and Singkep, and A. inomata of the Xatuna Islands; upper- 

 parts, as in A. simplex, grayish brown with faint median dark stripe ; 

 underparts clear buff, even paler than in A. inomata (near the cart- 

 ridge-buff of Ridgway but with less yellow) ; contrast between color 

 of dorsal and ventral surfaces more noticeable than in any other 

 known member of the genus ; skull as in A. inomata, the rostrum and 

 palate narrower than in A. simplex. 



Measurements. — Head and body, 473 mm. ; tail. 495 ; hind foot 

 (dry), 78 (73.5) ; condylobasal length of skull (basal suture closed, 

 teeth slightly worn) , 94.1 ; zygomatic breadth, 51.0 ; breadth of brain- 

 case, 32.9; interorbital breadth, 14.8; breadth of rostrum over ca- 

 nines, 17.4; mandible, 70.9; maxillary toothrow exclusive of incisors, 

 35.1 ; mandibular toothrow exclusive of incisors, 38.4. 



Specimen examined. — The type. 



ARCTOGALIDIA MIMA, new species 



1907. Arctogalidia simplex Lyon, Proc. U. S. Nat. Mus., vol. 31, p. 655. 

 January 16, 1907. (Not of Miller.) 



Type. — Adult female (skin and skull), No. 142 153, United States 

 National Museum. Collected at Semimba Bay, Battam Island, Rhio 

 Archipelago, September 16, 1905, by C. Boden Kloss. Original No. 

 10. Presented bv Dr. W. L. Abbott. 



1 Cranial measurements in parenthesis are those of a female A. leucotis 

 (No. 124228), with moderately worn teeth, from Red Point, Tenasserim. 



