ON E E See EAE SSE St Se RE ah fie ae 
fia a 
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REVIEWS AND BOOK NOTICES. 473 
by the government for a remedy, be increased to 500,000, or if 
necessary to 1,000,000 francs. 
The accompanying figure (117) represents the male of the apple 
bark louse, which Riley calls Mytilaspis pomicorticis, regarding it 
Fig. 117. 
Male of Apple bark Louse. 
as distinct from the A. pomorum Bouché of Europe, from the fact 
that the eggs of the European species are reddish-brown, while 
those of our species are white. Care should here be taken in as- 
certaining how soon after l Fig. 118. 
being laid the eggs are ob- ==% ae fea tt 
Served, as they may vary in ~* 7 PON) RS 
color with the age of the “pd 
embryo within. Certainly i — BE 
we have been unable to ` Ka 
detect any difference be- LA 
tween the bark louse of the g AAR 
apple as we have observed (==) 
it in Jena, Germany, and L “Page | 
our species, having com- Z /} | 
pared numerous specimens | 
of both. Undoubtedly our 
Species has been imported 
from Europe, and it would 
have been the better way, tuts oie, anne 
We think, to regard our species as identical with the M. pomorum 
(Bouché) than to give it a new name. The leaves of the white 
and other pines are sometimes so much affected by a long narrow 
S bark louse, Mytilaspis pinifolie (Fitch), (Fig. 118 male, Fig. 119 
- 7 the male scale, c, female scale on narrow leaved; d, variety on 
