TRICHOPTERYX. 143 
and irregularly asperate, the suture rather elevated posteriorly, the apex broad and slightly rounded ; legs 
and antenne long and slender, bright yellow. Long. corp. 0°75 millim. 
Hab. Norra America, Washington ?.—GuatemaLa, Cerro Zunil (Champion ?).— 
CuiLi 1. 
Differs from other species of the genus in its long and narrow shape, pale brown 
colour, rounded thorax, and long legs and antenne. 
The following species are unknown to me, and quite unrecognizable from the 
descriptions :— 
Trichopteryx brunneipennis. 
Acratrichis brunneipennis, Motsch. Bull. Mosc. xli. part 2, p. 1737. 
Hab. Panama, Obispo (Motschulsky +). 
Trichopteryx lividipennis. 
Acratrichis lividipennis, Motsch. Bull. Mose. xh. part 2, p. 174°. 
Hab. Panama, near the city (Motschulsky ). 
Trichopteryx velutina. 
Acratrichis velutina, Motsch. Bull. Mose. xli. part 2, p. 175° 
Hab. Istumus or Panama (Motschulsky 1). 
Trichopteryx subglabra. 
Acratrichis subglabra, Motsch. Bull. Mose. xh. part 2, p. 175°. 
Hab. Panama, near the city (Motschulsky *). 
Trichopteryx sylvestris. 
Acratrichis sylvestris, Motsch. Bull. Mose. xli. part 2, p. 176°. 
Hab. Panama, in the forests of the Isthmus (JJotschulsky '). 
Trichopteryx convexa. 
Acratrichis convexa, Motsch. Bull. Mose. xli. part 2, p. 178" (nec Matth.). 
Hab. Isrumus or Panama (Motschulsky 1). 
Trichopteryx planulata. 
Acratrichis planulata, Motsch. Bull. Mose. xli. part 2, p. 179°. 
Hab. Istumus or Panama (Motschulsky '). 
