i 
PROCEEDINGS OF SCIENTIFIC SOCIETIES. 279 
feeding on the plant-lice. We figure* another enemy of the Aphides, 
hrysopa, and its eggs (Fig. 4), mounted each on a long silken stalk, 
thus placed above ae reach of harm 
Fig 
immense family of Libe ellulide, or Dragon fies, of which Diplax Bere- 
nice Drury (Fig. 5), is a fine representative. The Forceps-tail, or Pa- 
norpa, P. rufescens (Fig. 6), is found in bushy fields and shrubbery. 
They prey on smaller insects, and the males are armed at the extrem- 
ity of the body with an enormous forceps-like apparatus. — A. : 
PROCEEDINGS OF SCIENTIFIC SOCIETIES. 
ACADEMY OF NATURAL SCIENCES OF PHILADELPHIA. March 19,1867. 
Prof. E. D. Cope presented to the Academy a young specimen of the 
Whale, known as the Bahia po procured near Bahia, Brazil; the 
atifrons. 
f. Ennis inquired whe gra remains of the Hippopotamus had 
been found in this country. Dr. Leidy replied that no evidence ex- — 
isted of the animal, though i 7 A. Conrad had at one aed 
which he considered to have belonged to the Hippopotam 
` April 2.—Mr. Thomas Meehan presented a paper “ as Dicecious 
oem et ean L.” Prof. Ennis remarked upon ‘the differ- 
* The cuts used in this were kindly allowed to be taken from a Report on the 
freee piei he rerio by Mr, . @. Sanborn, in the Massachusetts Agricul- 
