G4 Mr. E. Meyrick on the classification of 



that it is descended from a form possessing some such 

 structure, and that whilst having lost the structure 

 itself, it has retained the abnormal neuration, which was 

 in the first instance induced l)y the presence of the 

 structure. The single species is from Eastern Asia and 

 Japan. 



fusca, Butl. 



8. Tyloptera, Christ. 



Face with hardly projecting scales. Palpi rather short, por- 

 rected, rough-scaled. Antennae in both sexes bipectinated, apex 

 simple. Thorax glabrous beneath. Posterior tibiae with all spurs 

 present. Fore wings with areole simple. Hind wings in ^ with 

 inner margin folded over above, veins 2 and 7 (?) absent (Christ.) ; 

 8 anastomosing with cell from near base to beyond middle in $ . 



I have only seen the ? ; the characters of the other 

 sex are taken from Christoph. He alleges that the 

 frenulum is absent, and possibly in the <? it may be so, 

 but in the 2 is certainly present. Probably the genus 

 has some near affinity with Dessophora. If the Japanese 

 hella, Butl., is identical, there is but one East Asiatic 

 species. 



ehurneata, Christ. 



9. Phrissogonus, Butl. 



Face with short cone of scales or smooth. Palpi moderate or 

 short, porrected, more or less rough-scaled. Antennie in ^ ciliated 

 or naked. Thorax glabrous beneath. Abdomen slightly crested. 

 Posterior tibii^ with all spurs present. Fore wings in ^ with 

 swelling or tuft or rough scales on costa, vein 5 sometimes dis- 

 torted or absent; areole simple, 11 running into 12. Hind wings 

 with vein 8 anastomosing with cell from near base to beyond 

 middle. 



A genus of half-a-dozen Australasian species, from 

 which the above characters are drawn ; the following 

 little-known South European species, which I have 

 not seen, must be nearly allied to these, and is probably 

 congeneric. Eambur described it under the generic 

 name Thysanodes, wdiich is, however, preoccupied in the 

 Coleoptera. It is an offshoot of CJdorochjstis. 

 *2'>hryganca, llbr. 



