100 WHITE PROMINENT MOTH. 



typical genus, embraces some twelve species. A 

 good, though not very common example of this 

 genus, is seen on Plate VII. fig. 6. This is the 

 WHITE PROMINENT (Notodonta, bicolor), some- 

 times called the Orange V Moth, on account of 

 its rather peculiar marking. The figure is a 

 trifle smaller than the generality of specimens. 



The colour of all the wings is white, but the 

 upper pair have a double series of blackish dots 

 extending nearly across the wings, and an orange 

 mark looking something like a roughly made V 

 or Y. Even the head, thorax, and body are 

 white, or whitish grey. This Moth appears in 

 June. 



We must not pass without notice the PEBBLE 

 PROMINENT (Notodonta ziczac), because it is the 

 species -which has earned for the whole genus 

 the name of Notodonta, or Tooth-back. 



The colours of the perfect insect are in no 

 way remarkable, being nothing more than various 

 shades of brown. 



The caterpillar, however, is a most extraordinary 

 creature. The head is very large in proportion 

 to the general size ; and on the sixth, seventh, 

 and twelfth segments there is a bold hump, that 

 of the sixth segment, which occupies about 

 the middle of its body, being sharp, curved, and 



