190 The Botanical Gazette. [April, 
1786, became a printer by trade, came to America in 1808, where he 
resided for thirty-four years, chiefly in Philadelphia and Cambridge 
(Professor in Harvard College, 1822-1833), taking several extended 
trips, returned to England in 1841, and died there September Io, 1859. 
. INDIANA Academy of Sciences held its tenth annual meeting 
at Indianapolis on December 27th and 28th. Of the eighty-nine num- 
ninth annual session at Des Moines on the same dates. Of the filty- 
fourth annual meeting at Columbus on December 27th and 2é 
the fifty-three numbers on the program, nineteen were botanical sub- 
jects, or 36 per cent. 
THE REPORT of the Gray Herbarium for the year 1893-94 (Septem- 
ber to September) contains the following items of general interest. 
Plants received, 8,787; number of sheets prea 4% 5; number of vol- 
for the Herbarium, Mr. Prin le, with two assistants, is exploring Oax- 
aca, reputed to be the richest region of Mexico botanically. Dr. Rob- 
inson and Mr. Schrenk collected for six weeks in Newfoundland, and 
. . . - ' a 
Bailey’s revision of “Field, Forest and Garden Botany,” is announced 
for January, 1895. 
THE INSECT THEORY to account for the disease of potato tubers 
known as “scab,” had been completely overthrown, as every one 
thought, by the bacterial theory, now fully established as fact. Yet 
M 
millimeter long, the larvae which are the depredators being four times 
that length. The larve eat into the potato wherever the periderm 15 
