87 



has not made personal observations himself, or wherever he thinks that some one else's 

 record is better or fuller than his own. Thus the work is made complete to date, and 

 succeeding observers will know what investigations have been made, and what 

 remains to be done in this vast tield of entomological research. The colored plates are 

 beautifully and accurately done, and the wood cuts and other .illustrations give careful 

 details or full representations of a large number of the insects referred to in the text. 

 Such a publication ought to encourage our own Government to follow the noble example 

 set them in this respect at Washington. C J. S. B. 



A Series of Thirty Colored Diagrams of Insects Injurious to Farm Crops. 



Drawn from nature by Miss Georgiana E. Ormerod. W. & A. K. Johnston, 



London, England, 1891. 

 These diagrams are beautifully and accurately executed, and will be found most 

 useful by anyone who is called upon to lecture to classes in entomology, or give addresses 

 to farmers' institutes. They are sufficiently large, being thirty inches long and twenty- 

 two wide, to be seen at some distance in a hall or class-room, and will serve to illustrate 

 descriptions of an economic character. Though intended for England, nearly all of 

 them are equally applicable to this country. They are divided into five sets of six each, 

 which deal with the following objects: — (1) Common Insect Attacks : Ox Warble Fly, 

 Horse Bot-fly, Large White Butterfly, Cockchafer, Turnip Flea-beetle, Onion Fly ; (2) 

 Insects affecting Various Kinds of Crops : Surface Caterpillars, Daddy Long-legs, Eel- 

 worms, Plant Bugs, Hessian Fly, Wire-worm ; (3) Insects Affecting Particular Crops : 

 Mangold Fly, Hop Aphis, Bean Beetle, Corn Thrips, Gout Fly, Corn Saw-Fly ; 



(4) Insects affecting Fruit Crops : Winter Moth ; American Blight (Aphis), Goose- 

 berry and Currant Saw-fly, Apple Blossom Weevil, Codlin Moth, Magpie Moth ; 



(5) Insects Affecting Trees : Pine Beetle, Pine Weevil. Pine Saw-fly, Goat Moth, Spruce 

 Gall Aphis, Leopard Moth. The diagrams are sold singly at one shilling and sixpence 

 each, or in sets. On each is shown the natural size of the insect as well as the greatly 

 enlarged picture, a very necessary matter, as otherwise most erroneous impressions are 

 formed by the ignorant of the real dimensions of the creature referred to. There is 

 also printed on each a general description, by Miss Eleanor A. Ormerod, of the life 

 history of the insect depicted, and of the best remedies to be employed against it. 



C. J. S. B. 



A Manual of North American Butterflies, by Charles J. Maynard : 8vo., pp. 226. 

 Boston, DeWolfe, Fiske & Co., 1891. 



We are always glad to welcome the publication of a new book which is likely to 

 render more easy, and consequently to popularize, the study of entomology. The author 

 of the work before us has, no doubt, had this object in view when preparing this manual, 

 in which are brought together " for the first time, descriptions of all the species of 

 butterflies which occui- in North America, North of Mexico." He has evidently taken 

 a great deal of pains in the execution of his task, and expended much labor upon the 

 descriptions of over six hundred and thirty species of butterflies, and in the preparation 

 of the illustrations, for "not only is a colored plate given of one species of nearly all 

 the genera, but wood cuts are given of some portion of about two hundred and fifty 

 species, illustrating some peculiar character by which the insect may be known ; both 

 plates and wood cuts have, with a single exception, been drawn and engraved by the 

 author himself." The wood cuts, giving a wing or a portion of a wing, of a number of 

 closely allied species, will be found very useful helps by any one employing the book for 

 the identification of his specimens, and are much superior to the coloured plates. Anyone 

 with a large stock of specimens on hand, and with a few named in different genera to 

 start with, will find this book a very useful and handy manual for the naming of his 

 material, but this, we fear, is the extent of its value. The author has adopted the 

 comparative method in his descriptions, which involves a constant reference to some 

 other species, which the beginner in the study may chance not to have, and be woefully 

 puzzled in consequence. There are no synopses, or comparative tables, of either genera 

 or species given, but the author selects a species as his "type " and compares the other 

 members of the genus with it. If the student possesses a specimen of this typical 



