Mamm. 1 
MAMMALIA. 
BY 
R. Lydekker, B.A., F.G.S. 
The following table shows the number of new generic and specific 
names recorded for the year 1890 : — 
NEW GENERA. 
RECENT. 
FOSSIL. 
NEW SPECIES. 
RECENT. 
FOSSIL. 
23 
2 
21 
165 
101 
64 
The extraordinary large number of now recent species is, to a con- 
siderable extent, due to the elevation to specific rank of a host of 
North American forms which would be regarded by most zoologists as 
varieties ; nearly 40 of the new species belong to this category. Of the 
new species which would be generally recognized,, a large number occur 
in the Bats, the Soricidce , Sciuridce , and Leporidce. In addition to the 
above, one new generic and one specific name have been proposed to 
replace two ineligible ones applied to recent forms ; and also the, generic 
name for a fossil one. 
Although a large amount of work has been done during the year, there 
is nothing to call for very especial mention ; the discovery of milk-teeth 
in Orycteropus is, however, an important one. 
Among the more important memoirs recorded, we may refer to the 
continuation of Buchner’s Monograph of the Mammals collected by 
Przewalski ; and also to that of the Lemuroids of Madagascar by Gran- 
didier & Milne-Edwards. Mivart’s handsome Monograph of the 
Canidce is also noteworthy, as well as the Monograph of the Myoxidce by 
Reuvens. The year has seen the completion of Schlosser’s important 
memoir on the Tertiary Mammals of Europe. Rodler & Weitiiofer 
have published an important contribution to our knowledge of the 
Pecora of the Maragha beds of Persia; Scott & Osborn' have done 
* An asterisk prefixed to a quotation indicates that the Recorder has not seen 
the journal or work referred to. 
1890. [VOL. XXVII.] C 1 
