86 ENTOMOLOGICAL NEWS. [June, 



To the list of American varieties of British species may be added 

 P. rapes, var, immaculata (Can. Ent. July, 1889, p. 128); this 

 makes five in all. I hope that some one will give a list with the 

 bibliography, of the Lepidoptera common to Europe and America, 

 and when a new list of the North American Lepidoptera is pre- 

 pared the whole geographical range of the species (when found 

 outside of America) will be given. 



ELEMENTARY ENTOMOLOGY. 



Second Paper — The General Structure of Insects. 



In those papers of this series which treat of the anatomy of 

 Insects in general, we have largely drawn, with the author's per- 

 mission, from Prof J. H. Comstock's excellent " Introduction to 

 Entomology."* 



Thanks to the kindness of Prof. A. S. Packard, we have also 

 made use of his well-known " Guide" t ^ud his valuable " Ento- 

 mology for Beginners. "J 



As stated in the first paper the body of an Arthropod, and 

 consequently that of an Insect, is made up of a series of rings or 

 segments, within which are the vital apparatus and muscles. Con- 

 fining our attention to insects, it is to be noticed that even young 

 larvae§ just hatched from the ^^^ show this segmentation of the 



* An Introduction to Entomology by John Henry Comstock, Professor 

 of Entomology and General Invertebrate Zoology in Cornell University, 

 and formerly United States Entomologist. With many original illustra- 

 tions drawn and engraved by Anna Botsford Comstock. Ithaca, N. Y. 

 Published by the author 1888, pp. iv, 234, 201 figures. Price $2.00. 



t Guide to the study of Insects and a treatise on those injurious and 

 beneficial to crops for the use of Colleges, Farm-schools and Agriculturists 

 by Alpheus S. Packard, M.D., with fifteen plates and 670 woodcuts; ninth 

 edition. New York, Henr^ Holt & Co., 1889, 715 pp. (first edition, 1869, 

 Salem) 



X Entomology for Beginners. For the use of Young Folks, Fruit- 

 growers, Farmers and Gardeners, by A. S. Packard, M.D., Ph. D.; second 

 edition, revised. New York, Henry Holt & Co., 1889, 367 pp. 272 figs. 



\ It is hardly necessary to remind the reader that an Insect is an Insect, 

 whether it is an unhatched t,%^, a growing larva, an apparently lifeless 

 pupa, or a flying or creeping imago. Imagos being so much more con- 

 spicuous than the preceding stages, have naturally received both common 

 and scientific names first. 



A 



