SYNAPTOMYS. 205 



Genl. Char. Similar to ^S'. kelaletes, redder; rostrum longer; audi- 

 tal bullae smaller. 



Color. Type (alcoholic specimens;, color uncertain, probably 

 more reddish brown than -V. coopcri. 



.Measurements. Total length, 120; tail vertebra?, 20.5; hind foot, 

 19 (Merr.). 



B. Mictomys. 



Mictomys. True, Proc. U. S. Nat. Mus., 1894, p. 242. Type J/, innui- 

 tiis, True. 

 Inferior molars without enclosed enamel loops on outer side. 

 Molars rootless; incisors broadly grooved on the bevel; posterior end 

 of palate with strongly marked median projection. 



Fig. 46 Synaptomys (Mictomys) innuitus. 



No. 2472g V . S. National Museum Coll. Enlarged '-a 



Ul'PER TOOTH ROW. 



Enlarged 4 times. 



Lower tooth row. 

 Enlarged 4 times. 



307. innuitus. (ulfic/omys), True, Proc. U. S. Nat. Mus. Wash., 1894, 

 p. 242. 



Type locality. Fort Chimo, Ungava, Labrador. 



Geogr. Distr. Labrador, limits unknown. 



Genl. Char. Similar to S. cooperi; tail very short. 



Color. "Above grayish brown; beneath gray; face pale brown; 

 lips, end of nose and chin white; feet pale brown; tail brown above, 

 white below." (True.) 



Measurements. Total length, 115; tail vertebrae, 17; hind 

 foot, 17.5. 



