1888.] 565 [Hagen, 



lications. The grandeur of these results, accomplished by a man 

 whose modesty and want of self-assertion marked every thought 

 and deed, will not fail to fill a large space in history, and attract 

 greater reverence as time increases the perspective ; and future gen- 

 erations will accord to Baird's memory, fame and honors commen- 

 surate with their national importance and usefulness. 



Prof. Charles S. Minot gave an account of a new apparatus for 

 cutting microscopical sections automatically. He accompanied his 

 paper by demonstrations. 



The following paper was read by title : On the Entomophthoreae 

 of the United States. By Roland Thaxter. (See Memoirs, Vol. iv, 

 No. 6.) 



Section of Entomology, April 25, 1888. 



Mr. S. H. Scudder, in the chair. 

 The following paper was presented : 



THREE SPECIES OF HEMEROBIUS FROM CHILI. 



BY H. A. HAGEN. 



1. Hemerobius signatus. 



Hemerobius signatus Hag., Syn. N. Am. Neur., p. 322. 



Long. c. al. 7mm. ; exp. al. 15 mm. 



Head yellow ; four black shining round spots in a transversal 

 series between the eyes, and one on each side near the epistoma ; 

 four similar spots on the epistoma forming a quadrangle ; one black 

 line between the antennae ; two black spots on the labium ; anten- 

 nae (incomplete) yellow, basal joint larger on each side with a 

 black stripe ; second joint small, faintly annulated with black ; ver- 

 tex globose with two transversal series of six black spots ; palpi 

 short, thick, blackish, last joint pointed ; last joint of labial palpi 

 thicker ending in a long thin thread ; prothorax yellow, with two 

 longitudinal series of four black spots and some near the front bor- 

 der ; thorax" yellowish ; legs pale yellow, tibiae of front legs with 

 two indistinct brown spots ; tibiae of hind legs, much enlarged be- 

 fore the apex ; front wings less than three times longer than broad 

 with elliptical apex, hyaline, with some indistinct nebulose bands 

 in the apical half; veins pale, alternating with black elevated tu- 



