264 Lloyd's natural history. 



tral area, and with a very large dark rusty-brown central lunule. 

 Near the apex is a rusty-brown longitudinal streak. The trans- 

 verse lines are indistinct on the inner margin. The sub-mar- 

 ginal line is close to the hind margin, and parallel to it, and is 

 dentate on the inner side on the nervures, and suffused with 

 rusty-brown. The hind-wings are pale reddish-grey, lighter in 

 the male, with a dark central lunule and anal angle, and a 

 light transverse curved Une. 



The larva has the anterior segments slender, becoming 

 stouter behind. The head is heart-shaped. On both the sixth 

 and seventh segments is a large rounded hump, tipped with 

 reddish-brown, and on the eighth a smaller one, often hardly 



Larva of the Pebble Prominent. 



perceptible. The ground-colour is reddish violet, reddish- 

 brown, or rose-coloured, varied with whitish. Between the 

 head and the first hump is a brownish-red median line. The 

 two last segments have a rounded elevation, and are spotted 

 with reddish-yellow. 



The pupa is reddish-brown, with two terminal spines, and is 

 placed in a strong cocoon, between leaves or on the ground. 



THE GREAT PROMINENT. NOTODONTA ANCEPS. 



Noctua aiiceps^ Gceze, Beytr. Ins. iii. (3) p. 207, no. 66 (1781). 

 Bombyx trepida^ Esper, Schmett. iii. p. 284, Taf. 57 (1786). 



