422 REVIEWS. 
index to our entomological literature published during the 
1870, forms a much thinner pamphlet than its predecessors. 
are not, however, to infer from this that entomology is on the 
decline in this country, as we must expect some variation from 
year to year in the degree of attention to this study. The num- 
ber of entomologists who have published articles of varying 1 
is thirty-five, while three hundred and one new species of inse 
have been described in American journals during the year. We 
hope entomologists will continue as before to give this enterprise 
a cordial support, as the “ Record” is by no means self supporti 
Public libraries should have these annual records, as they 
valuable for reference and relate to a large and growing dep: 
ment of zoology. | 
New OrxrrHoLocIcaL Works.—A new edition, the fourth, 0 
“Yarrell’s History of British Birds,” is now in course of pubi f 
cation by Van Voorst, under the editorship of Prof. Alfred New 
ton, the well known ornithologist, and Professor of Zoology in 
University of Cambridge. The work is issued in monthly p: 
of eighty pages each, at 2s 6d a part. It is expected that twe 
five parts will complete the work, which will be comprised in 
‘octavo yolumes containing nearly six hundred illustrations. . 
names used by Yarrell in the former editions will be retain 
at the same time the nomenclature will be brought up to the 
` ent requirement’ of ornithological science, and all birds that Hay 
been found to be inhabitants of the British Isles since the ti 
Yarrell will be given. sag 
A much larger and more pretentious work is the “ Histo 
the Birds of Europe, including all the species inhabiting the ¥ 
ern Palwarctic region,” by R. B. Sharpe and H. E. Dresser. 
This work, of which two parts are now ready for delivery 
be issued in monthly parts of quarto size with colored 
All the birds of Europe, amounting to about six hundred § 
will be figured in their different stages of plumage, a plate 
devoted to each species. Each annual volume will con 
hundred plates, with full descriptions of the species and T 
on the habits, geographical distribution, synonymy, etè- — 
The unrivalled facilities at the command of the authors, | 
*Published by the Naturalists’ Agency, 1871, 8vo. pp. 27. Price 50 cet 
