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the term of larval life is prolonged proportionately to its dim 9 adult, 
and vice versa. While dissenting thus in some minor particula nann’s 
views, he, nevertheless, believes that this author has made out a & t the 
length of life in animals has been very largely regulated by the nec *on- 
ditions of life and chiefly through natural selection. The conclusio vit fram 
other animals are particularly justified when insects are considered, ni us 
cases particularly of retarded development under exceptional condition 
the great elasticity possessed in this particular by insects upon which na 
tion could play. Discussed by Messrs. Fernow, Schwarz, and Ashmead. 
February 1, 1894.—Mr. H. G. Hubbard read a paper on the ‘‘ Oviposition 6 
ra prodenialis Walk.,” a Phycid moth whose larve bore into the pads of do 
species of Opuntia in Florida, and the eggs of which are laid ina long stick or «5 5 
Discussed by Messrs. Howard, Gill, Schwarz, Riley, Ashmead, and Stiles. 
The Corresponding Secretary read a letter from Mr. T. D. A. Cockerell upon | 
‘Hymenoptera of Jamaica,” in which all of the species observed by the writ. 
were listed and the character of the fauna was compared with that of North America 
and the other West Indian Islands. Discussed by Messrs. Hubbard, Schwarz, Riley, 
Ashmead, Howard, and Gill. . 
Mr. Schwarz read a communication entitled ‘“‘ Notes on Melsheimer’s Catalogue of | 
Coleoptera published in 1806,” exhibiting a copy of the catalogue which had been 
in the possession of Melsheimer and his two sons and which had been annotated in 
manuscript by J. F. Melsheimer. Mr. Schwarz commented at some length upon the 
footnotes given by Melsheimer to some species, mostly of economic interest. Dis- 
cussed by Messrs. Riley and Waite. 
Under the head of Exhibition of Specimens and Short Notes Dr. Marx exhibited 
an enlarged figure of a remarkable spider of the family Oonopidae which differed 
from all known forms in having a sclerite between the coxa and the sternum. 
Discussed by Messrs. Schwarz, Gill, Riley, and Ashmead. The secretary exhibited 
two figures sent in by Mr. Hopkins and which indicated the holes and stains made 
by Corthylus columbianus in the tree mentioned at the preceding meeting. Mr. Ash- 
mead exhibited specimens of Eudoxinna transversa Walk., and a new genus of the 
Proctotrypid subfamily Diaprinne which he proposes to call Notoxoides. Mr. Hub- 
bard exhibited specimens of Doryphora decemlineata collected at Fort Assiniboine, 
Mont., and which had not come in contact with the cultivated potato. 
L. O. Howarp, 
Recording Secretary. 
