1898.] ENTOMOLOGICAL NEWS. 75 



Dec. 25, '97; xvii, i. Jan. 25, '98. 4O. Societas Entomologica, Zurich- 

 Hottingen, '98. 41. Entomologische Nachrichten, Berlin. 45. Deut- 

 sche Entomologische Zeitschrift, '97, li, Dresden, Jan. 12, '98. 47. The 

 Zoologist. London, Jan. 15, '98. 59. Sitzungsberichte, Gesellschaft der 

 naturforschenden Freunde, Berlin, '97. 6O. Anales del Museo National 

 de Buenos Aires, v, 'gS-'gy. 61. Natural Science, London, Jan., 'gS!- 

 62. Konglige Svenska Vetenskaps-Akademiens, Stockholm. 63. 

 'Fauna.' Verein Luxemburger Naturfreunde, vii, '97. 64. Annakn 

 der k. k. Naturhistorischen Hofmuseums, xii, i, Wien, '97. 



The General Subject. Insect World : A Monthly Maga/.ine. 

 Edited by Y. Nawa. Gifu, Japan. Appears on the 15th of each month, 

 vol. i, No. i, on Sept. 15, '97; No. 4, Dec. 15, '97. Wholly in Japanese. 

 Clay pole, A. M. Some points on cleavage among Arthropods, t 

 pi., Transactions American Microscopical Society, xix, Buffalo, Dec., '07. 

 C omstock.J. H. and N e e d h a m , J. G. The wings of insects, i, 

 figs., American Naturalist, Boston, Jan., '98. Daguillon, A. On a 

 leaf Dipterocecidium of Hypericmn pcrforatitui, figs., Revue Generale 

 de Botanique, x, 109. Paris, Jan. 15, '98. Day, G. O. A new setting- 

 board, figs., 9. Eimer, G. H. T. and Fickert, C. Orthogenesis 

 der Schmetterlinge. Ein Beweis bestimmt gerichteter Entwickelung und 

 Ohnmacht der natiirlichen Zuchtwahl bei der Artbildung. Die Entste- 

 hung der Arten. II Theil. Zugleich eine Erwiderung an August Weis- 

 mann. Leipzig, Verlag von Wilhelm Engelmann, 1897. Pp. xvi. 513; 

 2 35 %$> 2 pis. This volume is [the second part of the author's " Entste- 

 hung der Arten auf Grund von Vererben erworbener Eigenschaften nach 

 den Gesetzen organischen Wachsens." We cannot at present at least 

 attempt to review this volume, but it is almost obligatory to indicate its 

 contents: General Introduction, on definitely directed development (Or- 

 thogenesis) and on impotence of Darwinian selection in the formation of 

 species; So-called germinal selection criticism and reply; Origin of the 

 similarity to leaves among butterflies; The most important directions of 

 the development of butterflies, types of marking and pseudo-mimicry; 

 Directions of the development in single families of butterflies and further 

 [considerations] on mimicry; Directions of the development of the Het- 

 erocera and Microlepidoptera ; Generalities on Mimicry in butterflies; 

 Regular and varied stages of marking and color in the different wing- 

 surfaces of day butterflies; Preponderance of one sex (male and female 

 preponderance), Sexual Dimorphism, Sexual Selection, Origin of orna- 

 mentation; External, especially climatic influences as causes of the forma- 

 tion of species of butterflies; Experiments on the artificial action of heat 

 and cold on development; Summary of the important results, Conclusion 

 and Special Remarks, List of figures, author and subject indexes. 

 Emery, C. Instinct, intelligence and speech, Biologisches Centralblatt, 

 Leipsic, Jan. i, '98. Finn, F. Contributions to the theory of warning 

 colors and mimicry, No. iii. Experiments with a Tupaia and a Frog. 

 Journal, Asiatic Society of Bengal, Ixvi, ii, 2. Calcutta, Aug. 13, '97.- 



