64 THICHOPTILUS. 



Trichoptilus pygmseus, sp. nov. 



(PLATE III. Em. 15.) 



Minimus. 



Alis antitis dilutissime cervinis fusco-brunneo atomosis, 

 laciniis perangustis cum ciliis albo bistrigatis, 

 squamis fusco-brunneis in basi ciliorum irroratis 

 et dentatis ; posticis dilute brunneis, ciliis cinereis 

 albo alternatis, digito tertio pallidiore^ margine 

 dorsali paulo post medium fusco squamato, ciliis 

 apicalibus albis. 



Tibiis posticis albis, cervino supra maculatis et punc- 

 tatis, calcaribus albis. 



Very small and slender. 



The head pale fawn-colour, with some erect scales 

 above and behind the eyes ; antennas slightly 

 pubescent, spotted alternately with fawn-brown 

 and white above ; the palpi projecting nearly 

 the length of the head beyond it, whitish, 

 touched with pale fawn-colour. 



Fore wings cleft slightly more than half their length, 

 very pale fawn-colour, dusted with fuscous-brown 

 scales along the costa, especially above the base 

 of the fissure, also towards the base of the 

 dorsal margin. The two slender lobes diverge 

 considerably, and are barred before and beyond 

 their middles more or less distinctly with white, 



