I8G 



The situations where it is found are among fir plantations. 

 The perfect insect appears in April, May, and June. 



COCCYX ARGYRANA. 

 Plate XCI. Figure 10. 



Localities for this species are Brighton, Edinburgh, 

 Greenock, and many other places in various parts of the 

 country. 



The situations where it is found are in Oak woods. 



The perfect insect appears in April and May. 



It feeds on the bark of the oak. 



I have again and again to thank Mr. Allis of York for 

 most valuable assistance to this work. 



COCEYX T.EDANA. 

 Plate XCI. Figure 11. 



Localities for this species are at Eannoch in Perthshire. 

 The perfect insect appears in July. 

 To 0. S. Bound, Esq , of 31, Lincoln's Inn Fields, I am 

 also much indebted. 



COCCYX PYG1VLEANA. 



Plaate XOI. Figure 12. 



The perfect insect appears in March, April, and May. 



