June, 1916.] Proceedings of the Society. 165 



Perigonia hisca f. ihis Boisduval, no locality on specimen, collector un- 

 known. Rothschild and Jordan give the habitat as Mexico to Matto Grosso. 

 Gift of Mr. B. Preston Clark. 



Lencorhampa ornatus Rothschild, from Rio, Brazil, collector unknown. 

 Gift of Mr. B. Preston Clark. 



Euryglottis albostigmata basalts Rothschild. Inca Mines, Peru, collector, 

 H. H. Keys. The typical form is from Colombia. 



Mr. Watson also spoke of the genus Caiisto, saying in part that this 

 small but interesting genus, consisting of six species and two varieties, is 

 found only in the Antilles. It seems to illustrate very well the effect of isola- 

 tion on a species, as each of the Greater Antilles has its own peculiar forms, 

 not found in any of the other islands, as far as is now known. 



All of the forms are in the Museum Collection with the exception of C. 

 archebates Menetries. 



C. Zangis Fabricius is common in Jamaica. 



C. nubila Lathy from Porto Rico, is a very common butterfly there. 



C. archebates Menetries is from San Domingo (Haiti). The only speci- 

 mens in existence, according to Seitz, are in the collection of Godman and 

 Salvin and the St. Petersburg Museum. 



C. pulcliella Lathy is from San Domingo, where it seems to be locally 

 common. 



C. pulcliella J-f. tenebrossa Lathy from San Domingo. 



C. herophila Hiibner from Cuba. 



C. hysius Godart is from San Domingo, where it is very common. It is 

 close to C. herophila Hiibner, but is distinct. 



C. hysius f. confusa Lathy, also from San Domingo. C. hysius Godart 

 has also been reported from Jamaica. 



Mr. Olsen made an " Exhibition of Membracidae from Trinidad and 

 British Guiana," including paratypes of a species recently described by W. D. 

 Funkhouser. 



Dr. Lutz referred to the complete deception in nature by which one of 

 the species shown mimics an aphid attended by ants. 



Mr. Dickerson gave a list of Nitidulidse found on flowers in New Jersey 

 nurseries, referring particularly to Carpophilus antiquns having been found 

 on cornsilk. 



Mr. J. W. Angell exhibited a number of Silphidje and Scarabaidse, re- 

 ferring particularly to a minute specimen. 



Mr. Davis exhibited a paper sign, taken from a tree in Letchworth Park, 

 that had been eaten by Vespa maculata, a case as he expressed it of " stealing 

 paper to make more paper." 



He also exhibited the species of Galerucella allied to cavicollis, pointing 

 out the depth of the pronotal fovea and shining surface of the species he had 

 found so abundant at Rock City, N. Y., as to completely defoliate Pruntis 

 pennsylvanica and serotina. He stated that this species appeared to be 

 cavicollis, and to differ from our local species which is comparatively dull. 



