The relation between temperature and the number of vertebrae in 
fishes.— ID min.— By D. S. Jordan. 
The new botanical laboratory of Barnard College.— 5 min.— By N 
A bacterial disease of Indian Corn.— 15 min.— By T.J. Burrill. 
A bacterial disease of Carnations. — 15 min. — By J. C. Arthur. 
Revision of the United States species of Fuirena. — 10 min, — By 
Fred. V. Coville. 
On the intentional importation of parasites and natural enemies of 
Insects injurious to vegetation, — 15 min. — By C. V. Riley. 
Preliminary report on reproductive characteristic^ of the Hydroid 
Eudendrium.-Sp.— s'min.— Chas. W. Hargitt. 
Grasses of Roan Mountain. — 8 min. — By F. Lamson Scribner, 
An observation on Calaminth anuttalli. — 5 min.— By David F. Day. 
Fermentation of Ensilage.— 15 min. — By T. J. Burrill. 
The Pala;ontological evidence for the transmission of acquired char- 
acters.— 10 min.— By Henry F. Osborn. 
Modern teaching appliances in Biology. — 30 min. — R. Ramsey 
Wright. 
On a convenient method of subjecting living cells to coloring 
agents. — 15 min. — By George L. Goodale. 
Notes on the local distribution of some birds.— 5 min. — By A. W. 
Butler. 
A new departure was made in Section F, by the passage of a reso- 
lution to have appointed a special subject for discussion at the meeting 
in 1890. The subject chosen was the " Geographical Distribution of 
Plants," and the persons selected, and the topics for each, were as 
Sereno Watson—" The Relations of the Floras of Mexico and the 
United States." 
John Macoun— "The Ligneous Plants of Canada." 
C. S. Sargent—" The Ligneous Plants of the Rocky Mountains." 
John M. Coulter— "The Umbelliferai." 
L. M. Underwood— " The Hepaticte." 
Byron D. Halsted—" American Weeds." 
N. L. Britton—" General Distribution of North American Plants." 
Notes on Aboriginal Fire-making.— 10 min. — By Walter Hough. 
Shinto, the religion of the Japanese.— 30 min.— By Romyn Hitch- 
