NOTASPIS OBLONGA. 377 



posterior end of the latter, and consequently of the 

 abdomen, is rounder than in other specimens. 



Nymjpli. 



This nymph is probably the creature which Koch 

 described as a separate species under the name of 

 Murcia ohsoleta. 



Colour varies from hght ochre-brown to dark brown, 

 sometimes with a slight golden tinge. The creature in 

 life has rather a metallic look. The food in the 

 alimentary canal often shows through and imparts a 

 greenish colour to parts of the abdomen. It is one of 

 the darkest nymphs in the family. 



Texture rough and without gloss. 



Shape more or less oblong (if the rostrum be ex- 

 cluded). 



Cephalothorax not much more than a fourth of the 

 entire length. Rostrum rather narrow, bluntly pointed. 

 There is an indentation above the insertion of the first 

 pair of legs ; thence the cephalothorax widens rapidly 

 until, near the abdomen, it is nearly as wide as the pro- 

 gaster ; it has a rounded lateral margin. At its pos- 

 terior edge the cephalothorax is sharply bevelled off, 

 apparently to adndt of retraction and other motion 

 upon the abdomen. This produces a sharp indentation 

 over the second pair of legs. The two longitudinal 

 parallel ridges, which are so conspicuous in the adult, 

 are almost equally so in the nymph, and less well- 

 marked ridges run outward from them to the pseudo- 

 stigmata. There are a few transverse markings 

 between the parallel ridges, and the hinder part of the 

 cephalothorax is granulated. Eostral hairs rather short, 

 curved inward. There is another pair of larger similar 

 hairs a little further back, which may possibly be the 

 homologues of the lamellar hairs. Pseudo-stigmata 

 rather wide apart, pointing upward. Pseudo-stigmatic 

 organs rather long, with slender peduncles and large 



