680 REVIEWS. 
and after mounting, the ears appearing shorter when mounted. We thus 
learn at once to distrust and be cautious respecting such characters, eve 
admitting their value. But in view of these tables, and the conclusions 
no differences of form have been referred to, nor has the reviewer by 
autopsy been able to convince himself of the existence of any of mo- 
other character remains; in Oulophocine ‘‘the toe-flaps of the 
hinder limbs much longer than in Trichophocine.” The statement is per- 
faetiy ^ dmi c whatever may be our estimate of its value, if only Cal- 
, 
offers an intermediate condition. There is no difference See as to 
dentition, as the alternatives for the Trichophocina indica 
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of sub-family value, if only for the reason that they are not trenchant; 
but we must add that even had they been absolute, we should have been 
extremely doubtful as to the propriety of assigning them such a taxo- 
nomic value. 
But if we have been obliged — and most unwillingly we have — to dis- 
sent from Mr. Allen in his view of taxonomic values, we rejoice to testify 
to our concurrence with him in the main, and if Mr. Allen will simply re- 
ject Zalophus from the company of the other hair seals, we will at once 
admit t e has made an important advance in the appreciation of the 
relations, inter se, of the members of the family; the comparàtive rela- 
tion Otaria and Eumetopias appears indeed to be more intimate 
a 
T and if ere skull is a correct index, it should, in our judgment, be 
e group, composed of all its members save Zalophus, while 
d. group shea be lioika afar. All the species, except of that 
the muscular attachments. Zalophus, on the contrary, has a narrow and 
regularly attenuated muzzle, which is straight or even slightly concave, 
and in of seam has elevated and trenchant crest; 
(p. 6 
may add that we know of no indications, from other sources, which belle 
