00 NEW YORK STATF MlSKUM 



i1<] Crossveins near middle of wing 



c Palpi six-jointed ; antennae -even jointed ; wing venation as 



shown on pl.37. fi- 21 K 'hil.O 22. II e p t a g y i a 



' Palpi fonr-.iointcd 



f Antennae of female seven or eiirht jointed; male antennae 



fourteen- jointed : win;: l>are 3~t. D i a in e s a 



ff Antennae (' female with eight joints, tlie male with nine. 



short-haired .,0. E u t a n y p n 



Ai-ecirding to the description the female of K n t a n y p n s 

 does not -eem to differ from the female of D i a m e s a . 

 1>1> 'I'lie M-( "u ems-vein absent 



C Wing with four or live very indistinet longitudinal veins; wing Hnh- 

 shaped. the anterior margin with a long curved seta, the antenna 



with alioiit twelve joints 23. C o r y n o c e r a 



Wing margin without a IIIL: c-iir\td -ela 



il Prol M.. is and palpi rudimentary ; al-di-men shortt-r than the thorax 



i female apter-ms) 14 C 1 u n i o 



</</ Pali>i not rudimentary 



\ntennae with not more than ten joints 

 f Antennae six-jointed 



H The I: M CTI --vein, if in-esent. at the Im-al ipiarter of the 



wing 

 h The KM u near hasal quarter of the win^. pi. 37, 



fig.13 (Chile) _'l. S]aniotoma 



/(/; The K M ero-s\rin -.ialesecnt with the longitudinal 

 veins ; wins; rluh shaped ; the anterior cells thickened, 



pi ..':<;. liir.T 25. Coryuoneura 



The R-M crossvein neai- the middle of the wing 

 /( Wings hairy: antennae with the four intermediate joints 

 vertieillate with very long hairs; male unknown 



irope), pl.34. tig.20 2r,. W u 1 p i e 1 1 a 



///( Wings with margin ciliated; antennae with sparse ver- 

 ticils of spreading hairs (Kerguelen Island), pi. 37, 



fig.l 27. L i m n o p h y e s 



ff Antennae with seven to ten joints 



U Antennae with ten joints, not plumose ; costal cell thickened, 



pi. 30, fig.7 _.~i. Coryuoneura (male) 



;/(j Antennae with seven or eight joints 



h Thorax with a longitudinal fissure ; wings black with 

 white markings, pl.31, fig.10. and pl-27, fig.lG 



28. Chasmatonotus 

 Jih Thorax witliout this fissure 



i Claws cleft, venation as figured ; antennae seven-jointed 

 in male and female, pl.34, fig.lG 



29. Telmatogeton 



