Scudder.] 472 [April 7, 



McCrady, Messrs. J. Frank Brown, B. E. Brewster, Andrew 

 G. Weeks, Prof George L. Goodale, Rev. Walter R. Brooks, 

 Messrs. Edward B. Crane, and Alfred P. Gage were elected 

 Resident Members. 



The following papers were read : — 



A Century of Orthoptera. Decade III. — Acrydii (Pezo- 

 tettix, Caloptenus). By Samuel H. Scudder. 



21. Pezotettix Olivacea. Bright olivaceous green. Summit 

 of the head with a dark green median stripe, broadening posteriorly ; 

 sides of head, and sometimes the front, tinged with yellow; the pro- 

 notum covered rather profusely with short longitudinal dashes of 

 lemon yellow, rather irregularly distributed, but distinctly marking 

 the median carina, excepting at its posterior extremity, and also the 

 two extremities of the lateral carina? ; antennas green at base, beyond 

 orange, infuscated at the extreme tip. Tegmina half the length of 

 the abdomen, green; legs stout, green, the fore and middle femora 

 more or less tinged with dull orange ; the outside of the hind femora 

 slightly infuscated, the tibial spines black-tipped. Terminal segment 

 of the male abdomen acuminate at the tip, but with an apical tuber- 

 cle ; cerci slender, the basal half tapering, the apical half as broad, 

 equal, the tip rounded, but a little produced, the outer surface 

 slightly furrowed on the apical half. 



Length of body, cf, 21 mm., ?. 29 mm.; of antennae, d, 10.5 mm., 

 ?, 10.5 mm.; of tegmina, d, 8.5 mm., ?, 13.5 mm. ; of hind femora, 

 d, 13.5 mm., ?, 17.5 mm. 2 c?, 1 ?, taken Sept. 9, at Dallas, Texas, 

 by J. Boll. 



22. Pezotettix aeutipennis. Blackish fuscous, with a dull 

 olivaceous tinge; excepting the abdomen pilose throughout. Head 

 mottled irregularly with darker and lighter shades, a dark triangular 

 spot in the middle of the posterior part of the summit, and generally 

 an obscure dark band passing backward from the hinder edge of the 

 eyes and crossing a portion of the sides of the pronotum ; antennae 

 pale yellowish, infuscated at extreme tip. Pronotum delicately rugu- 

 lose, the median carina distinct, the dorsum sloping more in the 

 female than in the male; wings less than half as long as the body, 

 tapering to a blunt point, dark brown, the veins and cross veins 

 generally paler and olivaceous ; legs dusky, the middle femora black- 

 ish externally; the hind femora more or less indistinctly trifasciate 



