684 REVIEWS. 
^. In this connection it may be recalled that while in the monogamous 
Pinnipeds, or Sei living in small communities, there is little difference 
in size between the males and females, in the social species, or rather 
those of Un the males have Miss; the males are vastly larger than 
the females. Macrorhinus, of the Phocids, e all the Otariids belong 
sexes in the forms above enumerated, furnishes not the slightest evidence 
of more intimate primordial affinity, for like causes would in each special 
case, pues as this, produce like effects. 
e have already lingered so long over the systematic portion of Mr. 
Allen's dcn that we are perforce obliged to omit any observations on the 
habits or physiological relations of the species, but the work is replete 
with information on the subject contributed by Captain Bryant respect- 
ing the fur-seal (Callorhinus ursinus), and judiciously edited, with notes 
and comparisons with the habits of other members of the family, by 
r. Allen. 
And finally, cordially thanking Mr. Allen for his most valuable contri- 
bution, and the Museum of Comparative Zoology, under Professor 
ssiz’s superintendence, for its publication, we close by a recapitula- 
tion of its most noteworthy elements, nfmely:— A nearly complete rè- 
n 
information ee their ved dad comparison thereof with those 
of other species. — THEODORE GIL 
. INJURIOUS Insecrs.*—In this contribution to applied entomology, We 
rva is a little brown caterpillar which eats the buds in May. Itis diffi- 
cult to kill it without also injuring the tree itself. It also injures the buds 
^ *Injurious Insects, New and Little Known. By A. S. Packard, jr., M. D. oss the Massa 
ehusetts Agrieultural Report, 1870.] 8vo, pp.31. With a plate and wood-cuts 
