754 Proceedings of Scientific Societies. [August, 
teen-year locust did not bore in a tree-trunk a separate depository 
for each egg. 
Nov. 24.—Dr. Kcenig announced that the diatoms found in 
the blue clay bed in the railway cutting near Gray’s Ferry road 
seemed to evidence the Tertiary origin of the clay. ; 
Professor Heilprin called attention to an example of Conorbis 
from the Oligocene of Florida. It has characters which separate 
it from other forms, and as it is very large, six inches in length, 
he proposed the name princeps. 
Dr. G. H. Horn described a large blind wood-boring beetle 
from the Colorado desert. It is two inches long and is the 
largest blind beetle yet known. 
Mr. T. D. Rand presented a paper entitled “ Notes on the La 
Fayette Serpentine Belt.” 
Dec. 3.—Mr. Meehan exhibited seeds of the honey locust of a 
light-gray or whitish tint. Hybridity could not be the cause, as 
there is but one species. 
+ 
a Opportunity for the capture of its microscopic food. 
e Few 
ct that living 
bles and 
he little 
ibed 
