1898.] ENTOMOLOGICAL NEWS. 153 



ceedings of the Zoological Society of London, '97, part iv, April i. '98.- 

 21. The Entomologist's Record, London, April 15, '98. 22. Zoolog- 

 ischer Anzeiger, Leipsic, April 4, '98. 3(i. Transactions, Entomological 

 Society of London, '98, pt. i, April 20. 41. Entomologische Nachrichten, 

 xxiv, 5, Berlin, March, '98. G4. Annalen d. K. K. Naturhistorischen 

 Hofmuseums, xii, Vienna, '97. 72. Transactions, Kansas Academy of 

 Science xv, Topeka, '98. 73. Archives de Zoologie Experimentale et 

 Generale (3), v, 3, Paris, '97. 74. Naturwissenschaftliche Wochenschrift, 

 Berlin, April 24, '98. 75. Twenty-eighth Annual Report, Entomological 

 Society of Ontario, Toronto, '98. 



The General Subject. A TEXT-BOOK OF ENTOMOLOGY including 

 the Anatomy, Physiology, Embryology and Metamorphoses of Insects for 

 use in Agricultural and Technical Schools and Colleges as well as by the 

 working Entomologist. By Alpheus S. Packard, M.D., Ph.D , Professor 

 of Zoology and Geology, Brown University, Author of " Guide to Study 

 of Insects," " Entomology for Beginners," etc. New York. The MacV 

 millan Company, 1898. Svo, pp. xvii, 729; 654 figs. Received from the 

 publishers through John Wanamaker. Price $4.50. . 



For some years past we have been expecting a new edition of%Prof. 

 Packard's " Guide," but the present work is something entirely different. 

 Nothing like it, in its scope, has appeared in English since Newport's 

 article on Insecta in 1839, while in other languages the only comparable 

 works, during the same period, have been Graber's " Insecten," 1877, and 

 Kolbe's " Einfiihrung," 1893. No one or two men could, out of their own 

 experience, produce such a work, so that we are here given a summary of 

 the labors of several generations of anatomists, physiologists and embry- 

 ologists upon insects, and treated from the standpoint of morphology, 

 of comparative anatomy and physiology. The first part, entitled "Mor- 

 phology and Physiology," deals with the position of Insects in the Animal 

 Kingdom (pp. 1-26), the External (pp. 27-210) aud the Internal (pp. 211- 

 514) Anatomy. The Second Part, on Embryology (pp. 515-592), is stated 

 to be based on Korschelt and Heider's Lehrbuch. The Third Part (pp. 

 593-708) treats of the Metamorphoses. At the end of each section 

 dealing with some special structure or function, following the model set 

 by the German text-books, a bibliography is given with this improvement 

 that the entries are arranged chronologically. Needless to say these 

 add immensely to the value of the book. The illustrations, whose wealth 

 is indicated above, show signs of the improvement gradually appearing 

 in English text-books, relieving them of the charge of inferiority com- 

 pared with those in German. Being, from the nature of the case, chiefly 

 a summary and a compilation, the value of the work must depend on the 

 thoroughness with which this has been done. Few are in a position to 

 judge of the degree of this thoroughness in the various groups, and we 

 cannot therefore express an opinion on this point. Specialists will per- 

 haps detect some omissions as, for example, any reference in the text to 

 Ris' researches on the proventriculus of Odonata, or the statement, re- 



