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Mr. Smith was then elected Editor for Vol. II, and Rev. Geo. D. Hulst was 

 elected Assistant Editor. Mr. C. II. Roberts read a note on Anthaxia cyanella and 

 quercata.* Mr. Smith noted that it was not at all an unusual thing for sexes of 

 one form to be described as distinct species where the sexual characters were 

 obscure or unknown, lit- had in the Apions based one section of the genus up 

 nn the presence of a femoral tubercle on the anterior legs. It has since been 

 proven beyond reasonable doubt that this is a sexual character, and the four 

 Kpecies so distinguished are < ■-, of four other species in the succeeding group. 

 Mr. Angell exhibited a species of Anthaxia from Florida which seemed undes- 

 cribed. Mr. Smith noted the fact that in the genera of Bombyces grouped in Mr. 

 Grote's recent list as Attaci, Ceratocampidce and part of those in the HemUeucini 

 the antennae had two pectinations to each joint, and he proposed to separate this 

 group from the rest of the Bombyces which had only one branch to each joint 

 under the family term Saturniidce. The group is divisible into two sub-families: 

 Attacince with the branches extending to: the tip, and Ceratocampince in which 

 they end abruptly about one-third from tip. Some of these species have also 10 

 veins to the primaries, instead of 12 as is usual. 



Mr. Hulst spoke of some of the results of his studies in the Geometridse, 

 stating that there would have to be a considerable change in the arrangement of 

 species, based on venational characters discovered by him. Mr. Hulst and Mr. 

 Smith discussed the range of variation in venation, at some length. 



Mr. Leng as curator presented to the Society a scheme for the airangement 

 of Lepidoptera, particularly looking to a gathering of all the information in re- 

 gard to the local fauna that was obtainable. 



Entomological Society of Washington. March 4, 188G. Mr. H. F. Riley, 

 was elected a member of the Society. Mr. Howard exhibited specimens of a 

 Ghaleid bred from the galls of Gynips q. —saUatoris Eds. The Chalcid is new to 

 science and has to form a new genus. 



Mr. Howard remarked on the fungus connected with the "Die-hack" disease 

 of the Orange tree. The fungus has recently been supposed by Botanists to 

 grow exclusively on the scales of Coccid.e. 



Mr. Smith illustrated the differences in the antennae of some Bombycidaf, 

 especially describing the structure of these organs in the Saturniidce; character- 

 izing the family, as well as the subfamilies Attacince and Ceratocampince. 



Dr. Marx exhibited a careful drawing of Thelyphonus giganieus and spoke 

 on the structural and physiological characters of (his whip scorpion. Contrary 

 to the statements of authors, this insect has 12 eyes instead of 8, there being 

 5 on each side close together, two very small, and two in front. He also states 

 that T. excubitor Girard, is the c <>I K g'iganteas, and described the differences 

 between the sexes. In the discussion following this paper Mr. Pergande des- 

 cribed the habits of Thelyphonus in digging its burrows and catching its prey as 

 observed in a living specimen kept in a glass jar. 



Mr. Schwarz stated that Rhyncolus corticalis Boheman, belongs to the genus 

 Allomimus and is closely allied to but specifically different from, A. dubius Horn. 



Mr. Schwarz remarked upon the apparent scarcity of the male in Gnathotri 

 chus materiarius Fitch. He had never seen a male although a great many speci- 

 mens of this common species were examined. 



* Published ante p. 1G. 



