171 
the Herbaceous Collection, the Hemlock Forest, and parts of the 
. Arboretum site. 
The autumn course of lectures will be delivered in the Lecture 
Hall of the Museum Building of the Garden, Bronx Park, on 
Saturday afternoons, at 4:30 o’clock, as follows: 
ctober 3. ‘“ The Botanical Exploration of the West Indies,” 
by Dr. N. L. Britton. 
October 10. ‘‘Some Aspects of Tropical Agriculture,” by 
Prof. F. S. Earle. 
October 17. ‘Some Features of Jamaican Vegetation,” by 
Prof. L. M. Underwood. 
October 24. ‘‘ Features of the Land and Marine Flora of 
Porto Rico,” by Dr. M. A, Howe. 
October 31. “Explorations in Hayti, the Negro Republic,” 
Nash, 
November 7. ‘Mountains and Forests of Dominica,” by 
November 14. ‘Beverages of Vegetable Origin,” by Prof. 
H. H. Rusby. 
The lectures will be illustrated by lantern slides and otherwise. 
They will close in time for auditors to take the 5:32 train from 
the Bronx Park Railway Station, arriving at Grand Central Station 
at 5:57 P. M 
REPORT ON A TRIP TO PORTO RICO BY DR. M.A. 
HOWE, ASSISTANT CURATOR. 
Dr. N. L. Brirron, DirEcToR-1N-CHIEF. 
Dear Sir: J beg to present herewith a brief report upon a re- 
cent collecting trip to Porto Rico. 
The voyage was undertaken on May 9, and San Juan was 
reached on the evening of May 13; the return trip was begun 
on July 7, so that nearly eight weeks were spent on the island. 
My time while there was given almost exclusively to the collec- 
tion and study of the marine algae, though the opportunity was 
improved to obtain photographs of various subjects of more 
general botanical interest. The northern, eastern and southern 
