l62 



THE BRITISH NATURALIST. 



[July 



Orgyia pudibunda, female of a paler grey than the male. 



Saturnia carpini, male fore-wings of a rosy brown, hind-wings of a 

 dull orange ; female of a soft grey. 



Endromis versicolora, male hind- wings of a dull orange, female hind- 

 wings of a dull white. 



Limacodes asellus, male of a chocolate brown, female of a pale 

 yellow. 



Hepialus lupulinus, sylvinus, and velleda, females are paler and 



more indistinctly spotted than the males. 

 Drepana hamula and falcula, females are of a much lighter shade than 



the males. 



Amongst the Geometrae great differences may be seen in : — 



Epione vespertaria, male dull orange, female whitish yellow. 

 Fidonia piniaria, male white or yellowish white, female yellow in 



Scotland, grey in Norfolk, 

 Fidonia atomaria, female much lighter than the male. 

 Scodiona belgiaria, female much darker than the male. 

 Camptogramma fluviata, male ochreous, female reddish grey. Hiibner 



described the sexes as different species under the names of 



fluviata and gemmata. 

 Coremia didymata, female much lighter than the male. 

 Acidalia emarginata, female with a dark bar across the wings. 



Amongst the Noctuae the greatest difference is in the hind-wings, 

 those of the males being white, those of the females brown ; but this is 

 only confined to a few species. 



Amongst the Pyralides differences may be seen in the following : — 



Cataclysta lemnalis, male fore-wings white, female fore-wings pale 

 brown. 



Cledeobia augustalis, male dark brown, female pale reddish brown. 

 Amongst the Crambites in : — 



Schcenobius gigantellus, male fore-wings brownish grey with black 

 dots, female fore-wings reddish grey, unspotted, and entirely 

 white hind-wings. 



Chilo phragmitellus, female much lighter than the male. 



Crambus paludellus, female much lighter than the male. 



Platytes cerussellus, male brown, female white. 



Melia sociella, male has the basal half of the wing white, female 

 has the second spot larger and round. 



In the Neuroptera, we find distinctions in Libellula depressa and a few 

 others. The males of L. depressa and of L. ccerulescens have blue 

 bodies, the females yellow bodies. The males of Agrion pumilio and 



