22 



Clark, V. A. Seed selection according to specific gravity. Ne\A- York State 

 Station Bulletin 250, pp. .'i()7-i25. A list of the more important works 

 relating to the subject is a])pended. 



Ci.iNTox, (i. I'. North American rstilaginea'. Proceedings of the Boston So- 

 ciety of Natural History, 31, No. 9, pp. 321)-529. A bibliography of over 200 

 of the more important articles relating to the Ustilaginca' is appended. 



CoiiNiiKiM. O. Chemie der Eiweisskih-per (The chemistry of proteids). Bruns- 

 wick : Friedrich Vieweg & Son, 1904, 2. ed.. pp. XII + 315. The numerous 

 footnote references given constitute an extended bibliography of the sub- 

 ject. 



CoNNSTEiN. \\. Uber fermentative Fettspaltung (Fermentive cleavage of fat). 

 Ergelinisse der IMiysiolog-e. 3 (19(»4). pp. 104-232. A bibliography of 151 

 articles is given at the beginning of the article. 



CuMMiNGS, M. B. Fertilization problems: A study of reciprocal cropses. 

 Maine Station Bulletin 104. pp. 81-100. A bibliography of 32 papers on 

 plant breeding is given. 



CzAPEK, F. Der Stickstoff im Stoffwechsel der Pflanze (Nitrogen metabolism 

 in plants). Ergebnisse der Fhysiologie, 3 (1904), pp. 30!) .".:n. A bibliog- 

 raphy of 81 titles is given. 



Darbishire, a. D. On the bearing of Mendelian principles of heredity on cur- 

 rent theories of the origin of species. Memoirs and Proceedings of the 

 Manchester Literary and Philosophical Society. 48 (1904), pt. 3. No. 24, 

 pp. 19. A bibliography of the subject is appended to the article. 



Deegexer. p. Die Entwicklung des Darmcanals der Insecten wiihrend der 

 Metamorphose (The development of the intestines in insects during meta- 

 morphosis). Zoologische Jahrbiicher. Abtheilung fiir Anatomic und Onto- 

 genle der Thiere, 2o (1904), No. 4, pp. 499-(jTG. A brief list of references to 

 the literature of the subject is appended. 



Dexter. E. G. Weather Influences. New York and London : The Macmillan 

 Company, 1904, pp. XXXI +280. A list of 08 references to the literature of 

 this subject is given on pages 279-281. 



Dietrich, F., et al. Bibliographie der deutschen Zeitschriften-literatur (Bibli- 

 ography of German periodical literature). Leipzig: Felix Dietrich, 1905, 

 Vols. XIV, pp. 377; XV, pp. 350. This is a suliject and author index of 

 original articles, mainly of a scientific character, published in 1904 in about 

 4,000 German periodicals, pamphlets, and newspapers. 



Dorset, M. Invisible micro-organisms. U. S, Department of Agriculture, 

 Bureau of Animal Industry Report 1903, pp. 139-150; Circular 57, pp. 

 139-150. A list of 20 references to the literature of the subject is appended 

 to the article. 



Dunstax, W. K. Kepoi-t on cotton cultivation in the British Empire and in 

 Egyi)'t. London : Darling & Son. Ltd., 1904. pp. 40. A list of references to 

 the' literature of cotton and its cultivation is appended. 



DuvEL, J. W. T. The vitality and germination of seeds. U. S. Department of 

 Agriculture, Bureau of Plant Industry Bulletin 58, pp. 90. A list of 52 

 references to the literature of the subject is given. 



Dye, L. Les parasites des Culicides (The parasites of Culicidjip). Archives de 

 Parasitologie, 9 (1904). No. 1, pp. 5-77. A brief bibliography is appended. 



Felt, E. P. Mosquitoes or Culicidiie of New York State. New York State 

 :\Iuseum Bulletin 79, pp. 241-400. A bibliograiihy containing the more 

 important references to American species of mosquitoes is appended to the 

 bulletin. 



, and JouTEL. L. H. Monograph of the genus Saperda. New York State 



:\Iuseuni Bulletin 74, pp. 80. References are given to the literature of the 

 species of this genus. 

 Fort, II. Der Obstbau im Tiitigkeitsgebiete der bojnn. Sektion des Landeskul- 

 turrates fiir das Kiinigreich BfUnncn (Fruit culture in Bohemia). Prague: 

 Anton Purkrabek. 19()4. pp. ;'.9. A bil)liograi)hy of ."8 papers on Bohemian 

 fruit culture is given. 

 Fruwirth. C. Die Ziichtnng der landwirtschaftlichen Knlturjiflanzen (The 

 breeding of agricultural plants). P.erlin : I'aul Parey. T.Mt5. vol. 1. 2. rev. 

 ed., pp. XVIII-f.345. A bibllograiihy of 59 works and articles and 31 

 periodicals cited in the book is given. 



.'. Referate iiber neuere Arbelten auf dem (Jebiete der PHanzenziichtung 



(References to recent work on i)lant breeding). Journal fiir Landwirt- 

 schaft. 52 (1904), No. 3. pp. 209-290. References are given to 31 recent 

 articles on plant breeding in couuectioii with dififereut crops. 



