1306 General Notes. [December, 
projecting parts have a trimming of silk. Taking its position 
just inside the watch-tower, the spider leaps out and captures 
such insects as may come in its way. The speaker has found 
nests of the species at the base of the Allegheny mountains, near 
Altoona, and in New Jersey on the sea-shore. In the latter loca- 
tion the animal had availed itself of the building material at 
have been previously familiar. In order to preserve the nest, 
with a view to study the life-history of its occupant, the sod con- 
lower openings plugged with cotton. Upon the arrival of the 
nest in Philadelphia the plug guarding the entrance had bee 
removed, but the other had been forgotten and allowed to remain. 
The spider, which still inhabited the tube, immediately is 
removing the cotton at the lower portion and cast some of ae 
But, guided apparently by its sense of touch to the know o 
that the soft fibers of the cotton would be an excellent matena! — 
the very manifest inference that the spider must, for the first time, 
have come in contact with such a material oes ae 
mediately utilized its new experience by substituting “= pa 
for the ordinary silk lining, or rather adding it thereto. : 
Acad. Nat. Sct. Philada., June 19, 1883, p. 131- a 
Nores on A Happy Famity.—M. Manouvrier (ne E 
Bull. Soc. Zool. de France, an account of the pien ni se 
some animals that lived together in a restaurant, an a male and 
cipline. The companions were a large watch-dog, geons. 
female cat, two female họunds, two hares and a avi gift d with ; 
