OF WASHINGTON. 267 



leaves, the latter feeding on the under surface of the same, 

 were abundant at Ithaca during the month of June. I have 

 specimens of the imago taken as late as September. 



Coptocyda purpurata Boh., has the same habits as its con 

 geners C. aurichalcia and C. guttata, being found like them on 

 Convolvulus, and in all probability on other plants, of this 

 family. I have never seen any record of this habit, doubtless 

 owing to the fact that this species is so closely allied to the 

 other species above mentioned as to have escaped the notice of 

 most collectors who have classified it with one of the other two. 



Mr. Schwarz called attention to a statement by Dr. M. 

 Biisgen (in the latter' s recent work on the honey-dew of 

 Aphids) to the effect that the honey-dew is not secreted from 

 the nectaries as hitherto supposed, but ejected from the anus. 

 He also referred to a"n interesting work recently published by 

 C. A. Piepers on the migratory movements of cert iin butterflies 

 on the Island of Java and gave a brief resume of the author's 

 explanation of this phenomena, which is comparable to the 

 nuptial flight observed in other insects. 



Mr. Ashmead in referring to the paper on the secretions of 

 honey-dew by Aphids, remarked that the conclusion of the 

 author was certainly not true of all Aphids, as he knew from 

 having himself noted, in the case of several species, the 

 exudation of this liquor from the nectaries. 



Statements to the same effect were also made by others. 



Referring to the migrations of butterflies Dr. Marx related 

 having been surrounded with scattering swarms of Grapta 

 interrogationis on Lake Michigan for two days in succession and 

 described the manner of flight of these insects, and mentioned 

 that they were falling into the water. Mr. Howard said that 

 they very probably came from the hop fields in Wisconsin. 



A LIST OF SPIDERS FROM INDIANA.* 

 By DR. WM. H. Fox. 



The list of spiders presented below is from a small collection 

 of Mr. Frederick C. Test, sent me for identification. 



My reason for presenting them to the Society is that they are 

 from a locality that has never been collected in before, and one 

 that is mentioned in Dr. Marx's Catalogue but three times. 



*This paper is referred to on p. 218, but was not received in time for 

 insertion in its proper place. 



