14 PSYCHE. [January 1S94- 



have never seen any long-winged speci- these two forms to indicate them as dis- 



mens in New England but Mr. VV. S. tinct. The two are found associated in 



Blatcliley states (Can. ent., 1S91, 76) time and place, and mated, whence I 



that lie has taken a female in Indiana, conclude that without a doubt the long- 



C. cfl«5/cri'« is quite uniform in color- winged, less common form, is the 



ing, being invariably brown or straw- ancestral form which is giving place to 



color, never green, while the other two the other. 



forms or so-called species present an Continuing in another genus of tiie 



interesting case of dimorphism in color, Tryxalinae, — Stcjiobot/irits, — we meet 



specimens of both sexes being partly or two forms, quite variably colored and 



wholly either brown or green ; most presenting a marked contrast in length 



commonly, the females are wholly green oftegmina and wings, which have long 



or brown and the males green above with been considered to belong to one spe- 



brown sides, and mating with females c\es, S. curiipeniiisnnd S. lon^ipennis. 



of either color. These are about equally plentiful. The 



Ordinarily the wings and tegmina are long-winged form frequently makes use 



of about equal length, reaching, in the of its wings in locomotion while the 



male, about half-way down the femora^ other is obliged to resort to a more 



and in the female rather less, in the form prosaic mode of progression, 

 called C. viridis, and in the other form. Take next the two species 6". aequalis 



C. puttcttilata, reaching to the end of and 6'. fiiaculipennts. Here structural 



femora. Specimens occur having wings differences in the vertex and pronotum 



and tegmina of an intermediate length, are usually, but not always, accompa- 



and short-winged males mate freely with nied by a diflerence in length of wing 



long-winged females of either color ; serving to distinguish the two species, 



long-winged males appear to be ex- Owing to the fact that long-winged indi- 



tremely scarce, but all the other forms viduals occur in the short-winged species 



are common, the long-winged much less and to the witle variation in color pre- 



so tlian the short-winged. sented by both species they have been 



No other characters of more than much confused and misunderstood bv 



individual importance are presented by various authors. 



Lembert of Yosemite, Cal., and remarked 

 PROCEEDINGS OF THE CLUB. upon the scarcity of the species of Kodiosoma 



in collections. 

 9 June, 1893. The 179th meeting was held Mr. A. P. Morse read a paper on Wing- 



at 156 Brattle St., Mr. S. H. Scudder in the length in some New England Acrididae and 

 chair. exhibited specimens in illustration. 



Mr. H. G. Dyar exhibited specimens of Mr. S. H. Scudder exhibited a folding net 



Kodiosoma cavcsii collected by Mr. L. B. sent to the club from Switzerl.ind. 



