1898.] ENTOMOLOGICAL NEWS. 75 



Dec. 25, '97; xvii, 1, Jan. 25, '98. — 40. Societas Entomologica, Zurich- 

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

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

 Zoologist. London, Jan. 15, '98. — 59. Sitzungsherichte, Gesellschaft der 

 naturforschenden Freunde, Berlin, '97. — ttO. Anales del Museo Nacional 

 de Buenos Aires, v, '96-'97. — 61. Natural Science, London, Jan., '98. — 

 (>2. Konglige Svenska Vetenskaps-Akademiens, Stockholm. — 63. 

 'Fauna.' Verein Luxemburger Naturfreunde, vii, '97. — 64. Annalen 

 der k. k. Naturhistorischen Hofmuseums, xii, 1. Wien, '97. 



The General Subject.— Insect World: A Monthly Magazine. 

 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. 

 — CI ay pole, A. M. Some points on cleavage among Arthropods, 1 

 pi., Transactions American Microscopical Society, xix, Buffalo, Dec, '97. 

 — C omstock, J. H. and Needham, J. G. The wings of insects, i, 

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

 leaf Dipterocecidium of Hypericum perforatum, 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 naturlichen 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 figs., 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 iu 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. 1, '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 Benga'l, lxvi, ii, 2. Calcutta, Aug. 13, '97. — 



