The little moths included in the genus Pterophonis are re- 

 markable for the delicacy and beauty of their form, the wings 

 being divided and having the appearance of 10 or fewer fea- 

 thers. Reaumur has given figures of the caterpillar and pupa, 

 which last is remarkable in its form. Mr. Dale has reared a 

 species, and I have found and bred P. tetradactylus myself: 

 the perfect insects fly slowly in the evening. 



Mr. Haworth's Lepidoptera Britannica (in which our spe- 

 cies are described with the exception of 5) being in few hands, 

 we shall give the best systematic arrangement of the group we 

 are able. 



A. Abdominal ray not lobed. 



1. P. tetradactylus Vill., Haw. 



1. ochrodactylus Fab.? Haw. Mss. 



3. pentadactylus Linn., Dmi. ^. 110. 



4. galactodactylus Hub., Haiv. — albodactylus Fab. 



5. spilodactylus Nob. 



6. tridactylus Li7in. 



7. citridactijhis Haw. Mss. 



8. leucodactylus Hub., Haw., Fab.? 



9. pterodactylus Linn., Hiib., Haw. 



10. monodactylus Linn.? Haw., Reaum. 1. 20. f. 7 — 18. 



11. tephradactijlus Hiib. 



12. bipunctidactylus Vill., Haw. 



13. fuscodactylus Vill., Haxu. 



14. pallidactylus Haw. — ochrodactyla Hiib. ? 



15. migadactylus Haw., Fab.? 



16. plueodactylns Steph. Mss. 



17. lunaedactylus Haw. 477. 10. 



B. Abdominal ray producing a bundle of scales forming a 

 lobe on the internal maroin. 



18. P. didactylus Linn., Don. 9. 318. — /3. heterodactylus Vill. 



19. rhododactylus Fab., Hiib. 



20. trigonodactylus Haw. 478. 13. 



21. calodactylus Fab., Hiib. 



22. tesseradactylus Linn. 



23. punctidactylus Haw. 479. 16. 



24. microdactylus Sam. — parvidactyla Haw. 



For a male of the rare species figured we are indebted to 

 Mr. Joseph Sparshall, who met with it in some abundance upon 

 the plant which accompanies it, on the 8th of July 1824, upon 

 a heath near Mildenhall, Suffolk. 



The plant is Artemisia Absinthium (Common Wormwood). 



