ANTHONY — NEW KODENTS AND BATS 
83 
matic breadth, 34; length of nasals, 21.5; greatest breadth of frontals, 22.5; great- 
est breadth of braincase, 23.2; length of palate, postpalatal notch to posterior 
border of incisive alveolus, 35.2; length of molar toothrow, 17.7; greatest length 
of mandible, 51.2; length of mandibular molar series, 18.3. 
This new form of Dactylomys is noticeably different from the one 
specimen of D. dactylinus in the museum collections, and as nearly as 
I can judge from the literature on the genus, from any hitherto de- 
scribed form. A specimen of this genus, taken at Villavicencio, eastern 
Fig. 1. Type of Dactylinus boliv- Fig. 2. Type of Dactylomys boliv- 
lENsis, No. 38709, Natuhal Size iensis. No. 38709 j Natueal Size 
base of the Andes, Colombia, was identified bj^ Doctor Allen® as dacty- 
UnuSj with which it agrees in all characters of specific importance as 
well as can be expected when the basis for comparison is the short type 
description of Desmarest.^ Later authors have not extended Des- 
marest^s account very appreciably. 
The Bolivian specimen, compared with this specimen of dactylinus, 
is much more olivaceous in coloration, lacks the reddish brown at the 
® Bull. Amer. Mus. Nat. Hist., XXXV, p. 208, 1916. 
* Nouv. Diet. H. N., X, p. 57, 1817. 
