entomologists’ directory. 
67 
Calvert. The collection of Lepidoptera is very large and contains many 
of the types of Grote, as well as some of those of Blake, Mengel, Skinner 
and others. In the collection of Diptera are many types of the older 
writers, as well as the later ones. There are also valuable collections of 
the other orders. The magnificent collection of exotic Lepidoptera made 
by the late I. C. Martindale, and now the property of the Academy, is 
also here. The large collection of exotic Coleoptera has lately been 
greatly augmented by the material purchased from the heirs of the late 
Dr. H. G. Griffith. 
Students of Entomology are always cordially welcome to visit the 
Academy and consult our libraries and collections, and we will gladly 
furnish any information in our power to aid beginners and others. 
Entomological News, published by the joint Publication Committees 
of The American Entomological Society and The Entomological Section 
of The Academy of Natural Sciences of Philadelphia, is an illustrated 
monthly magazine devoted to the study of insect life. It contains a 
resume of the literature of the world treating of American insects, and 
also articles by the leading Entomologists of the United States and 
Canada. There is a department devoted to Economic Entomology, 
edited by Prof. John B. Smith, Sc. D.; a free Exchange Column and a 
department for the identification of insects for subscribers. In this Jour- 
nal will be found valuable information for the beginner, the collector, 
the economic entomologist and the systematist ; Volume XI is now pub- 
lishing. The subscription price is One Dollar a year in advance. Sam- 
ple copies 1 2 cents. 
The Academy of Natural Sciences of Philadelphia is situated at the S. 
W. Corner of 19th and Race Sts. (Logan Square), Philadelphia, Pa. 
