76 
B. Westermann & Co., 838 Broadway, New York, and Gustav E. Stech- 
ert, 766 Broadway, New York. 
By subscribing to the entomological periodicals published in this 
country (a matter of but slight expense) the student may keep abreast 
of the current literature. Short book reviews or notes published in 
onr periodicals call attention to the more important publications in 
other countries. Moreover, the Zodlogischer Anzeiger, edited by Prof. 
J. Victor Carus, in Leipzig, Germany, and published every fortnight, 
gives a tolerably complete bibliography of the current entomological 
literature at intervals of about six or eight weeks. The “ Nature 
Novitates,’”’ published every fortnight by R. Friedlaender & Sohn, Carl- 
strasse, 11, Berlin, Germany, gives the titles of most recent works and 
pamphlets. 
There are also three great annual publications, viz: ** Die Fortschritte 
auf dem Gebiet der Entomologie,” published in Wiegmann’s “ Archiv 
fiir Naturgeschichte”; ‘“‘The Zodlogical Record,” published by the 
Zoological Record Society, in London, England ; and the * Zodlogische 
Jahresberichte,” published by the Zodlogical Station at Naples, Italy, 
which give the full literature of the previous year, discussing the more 
important papers and giving a list of the new species, besides other. 
information. One or the other of these three publications is almost 
indispensable to the student in any branch of Zodlogy, and ought to 
be found in every public library in the country. Unfortunately, only 
a year ago the editors of the ‘ Zodlogische Jahresberichte” found it nec- 
essary, in order to reduce expenses, to curtail the scope of the work; 
so that, beginning with the year 1887, this publication no longer con- 
tains titles upon systematic and classificatory Zodlogy. Only biological 
titles are now published, but the series up to 1887 is the most complete 
thing of its kind. . 
A not inconsiderable portion of the North American literature on the 
classification of insects has been published by the General Government 
through various channels, and foremost among them are the Smith- 
sonian Institution, the U. S. Department of :Agriculture, the U. 8S. Na- 
tional Museum, the U.S. Geological and Geographical Survey, and the 
reports of the various surveys of the Territories. Many of these pub- 
lications are distributed free of cost to any one applying for them; while 
others, like certain ot the Smithsonian publications, are sold at a mod- 
erate price to cover tke cost of publication. Many of them are out of 
print, and can only be obtained through natural history book-dealers. 
The firms mentioned above will have many of them, and Lowdermilk & 
Co., of Washington, D. C., who make a specialty of Government pub- 
lications, are always able to furnish many more. 
Of the more general works, some of them can be obtained direct from 
the publishers, and in such cases the publishers are mentioned in the 
general list. The older ones are mostly out of print and can only be 
obtained from second-hand dealers. The current State reports of Lint- 
