Botany and Zoology. — 161 
and well. They put on record, in a systematic way, the titles of all 
the communications relating to Botany which are found in the 
periodicals and serials of the years in question. The contents are 
arranged under the heads of General Morphology, Special Morph- 
ology of the several classes and orders, Physiology, Plant-descrip- 
tions, Floras, Geography of Plants, Paleontology, ete., ete. <A 
list of the periodicals used is given, an alphabetical index of au- 
thors, and another of Families and Genera. e work appears to 
be under the patronage of the Teylerian Society of Harlem. It 
makes a valuable supplement or continuation, so far as concerns 
botany, of the Royal Society’s Catalogue, and has also the advan- 
tage of systematic arrangement. A. G. 
4, Sir Joseph Dalton Hooker and party on a Botanical excur- 
sion to the Rocky Mountains and California.—Sir Joseph Dalton 
Hooker, President of the Royal Society, and Director of the Royal 
Gardens, Kew, arrived at Boston in the Parthia, on the 9th ult. 
He is accompanied by Major General Strachey, of the Royal — 
5. The Influence of Physical Conditions in the Genesis of 
cies; by Jou, A. ALLEN. 32 pp. 8vo. (From the Radical 
al: @ 
many distinct species which now are known to shade into one an- 
or geographical conditions--and not natural selection—is the 
ah source of the variations, a conclusion the facts clearly estab- 
ish, 
8. Sir Wyville Thomson, and the working up of the “ Chal- 
If Sir Wyville Thomson has neglected auponpale ilirocte in ate 
matter, he may be said to have disregarded his own, by sending 
