192 
II.— Sphceropsideoe and Melanconecc. 
632 Pammel, L. H. Spot Disease of Cherry (Cylindrosporium padi.) Bull. Iowa Agric. Ex. 
Sta. [Ames], No. 13, Des Moines, May, 1891, pp. 55-66, pi. 2, fig. 3. Discusses 
synonomy of tlie species and describes the microscopic characters of the fun¬ 
gus with list of plants affected by it. (D. G. F.) 
633. Pammel, L. H. Spot Disease of Currants and Gooseberries. Bull. Iowa Agric. Ex. Sta. 
[Ames], No. 13, Des Moines, May, 1891, pp. 67-71, figs. 3. Discusses the 
literature and geographical distribution of Septoria ribis, Desm., Cercos- 
pora angulata, Wint. and Gloeosporium ribis, Peck. Expresses the opinion 
that the Cercospora is the fungus which causes in part the defoliation of 
white and red currants. Thinks Sphcerella grossularice, Fr. is genetically con¬ 
nected with Cercospora angulata, Wint., and also with Septoria ribis, Desm. 
(D. G. F.) 
634. Prillieux et Delacroix. Hendersonia cerasella, nov. sp. Bull. Soc. Mycol., 
France, vol. 7, No. 1, Paris, Mar. 31,1891, pp. 21-22, figs. 2. Describes Hender¬ 
sonia cerasella, a new species found on the sterile spots of Coryneum Beijer- 
inclcii on cherry leaves. (E. A. S.) 
(See also Nos. 383, 391, 445, 616, 617, 618, and 621.) 
III.— 'Miscellaneous. 
635. Comstock, J. H., and Slingerland, M. V. Wireworms. Bull. Cornell Univ. 
Agric. Ex. Sta., entomological division, No. 33, Ithaca, Nov., 1891, p. 211. 
Notes Metarrhiziuni anisoplice, as determined by Tliaxter, attacking and kill¬ 
ing the larva; of wireworms under experiment. (D. G. F.) 
636. Massee, Geo. Sarcomyces, new genus. Grevillea, vol. 20, London, 1891, pp. 13- 
14. Describes Sarcornyces vinosa nov. gen. and nov. sp., on wood from Vene¬ 
zuela and South Carolina. (D. G. F.) 
637. Southworth, Effie A. Notes on some curious fungi. Bull. Torrey Bot. Club, 
vol. 18, Oct., 1891, pp. 303-304. Describes briefly peculiar fungus, possibly 
Poly poms officinalis from California, and Erysiphe like form on Muhlenbergia; 
also a superficial fungus on bark of orange likely to prove a species of Phy- 
matomosphaeria. (D. G. F.) 
(See also Nos. 437, 445, and 631.) 
Gr.—MORPHOLOGY AND CLASSIFICATION OF BACTERIA. 
638. Blanchard, Dr. R. Sur un Spirille geant developpd dans les cultures de sediments 
d’eau douce d’Aden. Rev. g6n. sci., pure et appliq., 2 ann. Paris, Jan. 15, 1891, 
pp. 21-22, figs 8. Review of a paper by A. Certes in Bull, de la Soc. Zool. 
de France, t. 14, p. 322. (E. F. S.) 
639. Henneguy, F. Contribution al’etude de la morphologic et du developpement des 
Bacteriaceaes. Rev. gdn. sci., pure et appliq., 2 ann. Paris, Jan. 15, 1891, p. 
21. Review of a paper by A. Billet in Bull. Scientifique du Nord de la 
France et de la Belgique, t. 21, 1890. (E. F. S.) 
611. Mangin, L. Die Pflanzen und Thiere in den dunklen Raumen der Rotterdamer Wasser- 
leitung. Rev. g6n. sci. pure et appliq., 2 ann., Paris, Mar. 30, 1891, p. 193-194. 
Revie w (in French) of a paper by Hugo de Vries on the presence of Creno- 
thrix Kuhniana in the water supply of Rotterdam. (E. F. S.) 
642. Metchnikoff, E. Les idees nouvelles sur la structure, le developpement et la repro¬ 
duction des bacteries. Rev. g6n. sci. pure et appliq., 2 ann., Paris, April 15, 
1891, pp. 211-216, figs. 14. The author considers bacteria most nearly related 
to the lower algae. The possession of a true nucleus, which often fills nearly 
the entire cell; the occurrence of pleomorphism, now proved for pathogenic 
