ORIBATA EDWAEDSII. 575 



as far as the insertion of the first pair of legs, then 

 bulbous; without markings. Rostral hairs long. 

 Pseudo-stigmatic organs rather long, with thin pedun- 

 cles and fusiform heads. Interlamellar hairs lonsf, 

 setiform. 



Legs rather short, fourth pair not extending far 

 beyond the posterior margin ; provided with fine curved 

 hairs, mostly set in whorls. 



Abdomen with lateral and posterior portions sharply 

 raised, central portion slightly arched. Whole abdo- 

 men a series of wavy transverse ridges or folds, irre- 

 gularly parallel ; those near the posterior margin mostly 

 bend forward. There are about five pairs of long, 

 nearly straight or slightly curved, setiform spines on 

 the lateral margins ; these spines increase in length 

 from the anterior to the posterior, and point outward 

 and somewhat backward : there are also a pair of rather 

 shorter similar spines on the hind margin, rather far 

 apart. 



Distribution. — The specimens which were reared 

 were found at Keswick in Cumberland. 



OribataEdwaedsii. pi. LIII, fig. 1. (Adult described 

 in vol. i at p. 229.) 



Nymjpli. 



Colour dark bronze-brown ; the internal organs are 

 partly seen through the notogaster, and generally give 

 a greenish effect. 



Texture polished. 



Cephalo thorax simple, without markings. Rostrum 

 blunt, rounded; rostral hairs short and curved. 

 Pseudo-stigmatic organs of moderate length, with short 

 peduncles and ovate heads not very clearly marked off 

 from the peducles. Interlamellar hairs long, setiform. 



Legs of medium length, fourth pair scarcely passing 



