418 EXPERIMENT STATION RECORD. 



The anatomical structure of the beet leaf, G. Frou (Gompt. Rend. Acad. Sci. 

 raris, 127 {1898), No. 10, pp. 397-400, figs. 3). 



An achromatic light filter for high power microscopic work, G. F. Eisen 

 (Zischr. Wiss. Mikros. u. Mikros. Teehnik, 14 (1898), No. 4, pp. 444-447). 



A new apparatus for the application of the electric current to microscopic 

 objects, A. Schaper (Ztschr. Wiss. Mikros. it. Mikros. Teehnik, 14 (1S9S), No. 4, pp. 

 436-441, figs. 5). 



The sectioning of seeds, M. B. Thomas (Jour. Appl. Micros., 1 (189S), No. 2, pp. 

 32,33). — Describes method for imbedding and sectioning seeds. 



Celloidin imbedding, F. C. HARRISON (Jour. Appl. Micros., 1 (1S98), No. S, pp. 

 145, 14G). — The author briefly describes a method for imbedding hard tissues, woody 

 stems, seeds, etc. 



Comparative phenological notes, H. C. Iiusn ( Missouri Ilort. Soc. Iipt. 1897, pp. 

 325-339). — Tables and charts are given showing the blossoming time of various 

 plants during several successive years. 



Experiments in the cross fertilization of salices, E. F. Linton (Jour. Hot. 

 {London'], 36 (1898), No. 4.24, pp. 122-124). 



Protective coloration and bud formation on leaves, L. Geisenheyner (Deut. 

 Bot. Monatsschr., 16 (1S9S), No. 7, pp. 132-134). 



Adherence to type in seed breeding, W. W. Tracy (Amer. Florist, 13 (1S9S), No. 

 522, pp. 1311, 1312). — The necessity of having an ideal and keeping strictly to it in 

 seed breeding is pointed out. 



A contribution to the study of wheat, K. Huppenthal (Beitrag zur Physio- 

 graphic des Weizens, pp. 19; ahs. in Bot. Ccntbl., 75 (1S98), No. 4-5, p. 153). — The effect 

 of removing 7 varieties of French wheats from maritime conditions to a continental 

 climate was studied. Descriptions are also given of 19 native and 2 Tyroliau 

 varieties. The investigations were conducted in the laboratory of the University of 

 Krakau. 



Dissemination of plants by stock cars, J. M. Bates (Asa Gray Bui., 6 (1898), 

 No. 2, pp. 35-37). — Shows the manner in which many weeds have been introduced 

 into new localities. 



History, uses, and symbolism of plants in ancient and modern times, C. Joret 

 (Lesplantes dans Vantiquiteet au mo yen age: Histoire, usages, et symbolism, pp. XX -\- 504. 

 Paris: Baillon, 1S97; abs. in Bot. Ccntbl., 74 (1898), No. S, pp. 241-243). 



The origin of gymnosperms and the seed habit, J. M. Coulter (Science, n. ser.,8 

 (1S9S), No. 195, pp. 377-385; also Bot. Gaz., 26 (1S98), No. 3, pp. 153-168).— Address 

 of the retiring President of the Botanical Society of America, delivered at Boston, 

 August 19, 1898. 



A study of the androecium of gymnosperms, E. Thibaut (Thesis. Lille, 1S96, 

 pp. 265; abs. in Bot. Cental., 75 (1S9S), No. 4-5, pp. 129-131). 



Conception of species as affected by recent investigations on fungi, W. G. 

 Farlow (Science, n. ser., S (1S9S), No. 196, pp. 423-435).— Vice-Presidential address 

 before the section of botany of the American Association for the Advancement of 

 Science, August, 1898. The author believes that physiological characters will 

 assume great importance in the characterization of species. 



METEOROLOGY. 



Monthly Weather Review (U. S. Dept. Agr., Weather Bureau, 

 Monthly Weather Review, 26 (1898), iVo. 7, pp. 291-391, charts 12; 8, 

 pp. 343-390, charts 7 ; 9, pp. 391-437, charts 17). — Besides tbe usual 

 meteorological summaries No. 7 contains special contributions on Cli- 

 matology versus meteorology, by M. Whitney; Erroneous conversion 



