
152 REVIEWS. 
sion for the diffusion of See oe knowledge, Missouri not only leads 
all the States in the Union, but shows that she regards it as an rei 
cal measure to induce sears farmer ot be his own entomologis 
GUIDE TO THE STUDY OF INsEcrs.*—The sixth number of this work 
is out, and contains accounts (not before Dubiéhod; of the transforma- 
tions of twelve moths injurious to fruits, etc., mostly illustrated, besides 
? t G 
pite Henn forty different objects, an Mid fit y-seven cuts in the text. We 
should here state that the Penthina vitivorana feeds exclusively on the 
rape seed; it rolls up the leaf when about to transform, but doe s not 
feed upon it. Lines eight and nine from the bottom, on page 336, may 
therefore be deled. 
LE NATURALISTE CANADIEN.f —A capital journal for the popularization 
of natural history among the French Canadians. It is edited with much 
Spirit, and we trust that its success is already assured. 
oroGY.— M. C. Dareste has given us in the ** Annales des Sciences 
actos” a résumé of his remarkable discoveries, from which we trans- 
late a few paragraphs as nearly word for word as possible 
**T at first sought to obtain moustrasitter, as Geoffroy Saint-Hilaire had 
cause to which I had not at first attended; that is to - of the manner 
in which the eggs were heated in one of the artificial *couvenses,' W: 
have served for my perdis ents. I have therefore, tentei aban- 
doned the use of varnish, and the vertical position, in order to employ 
when the allantois is formed ** when the neêds of respiration imperiously 
demand greater quantity of air." “I arrive now at ve results which de- 
pend upon the mode of warming the eggs in one of my artificial b brood- 
warming the culminating point of the egg, the point which the cicatrix — 
always occupies at the end of the development, a peint of the egg situated | 
at a certain distance from the preceding one be heated, the development ÎS _ 

: _* Published at Salem, Mass., by A. S. Packard, jr. Fifty cents a part. To be published in ten 
fLe Naturaliste Canadienne. Bu ; 
portant a rhitoeo naturelle du Canada oat woe, ee quebec basate ; 



