544 



ME. G. BEOOK ON A NEW GENUS OF COLLEMBOLA. 



1. In the number of eyes, which in Degeeria are 8 in each 

 group. 



2. In the absence o£ a true tenent hair on each foot. 



3. In the almost total absence of those long fine abdominal 

 hairs set at right angles to the body so characteristic of Degeeria 

 and Orchesella. 



4. In the possession of a thick covering of strong, thickly 

 ciliate, clubbed hairs on the sixth abdominal segment, unlike any 

 hairs of this group with which I am acquainted. 



5. In the rather difi'erent construction of the mucrones. 

 From Isotoma of course it differs in the general shape of the 



body, but agrees with it in the absence of tenent hairs. From 

 Sira it differs in the absence o£ scales, and also in those points 

 mentioned under Degeeria. From Corynotlirix of Tullberg this 

 genus differs in the proportional length of the abdominal seg- 

 ments, as well as in the points mentioned under Degeeria. 



SiNELLA CtJEVISETA, U. sp. 



The species described was found under boards in a vinery at 

 Huddersfield* in December 1881, and has been kept in confine- 

 ment since that time (six months). Young and immature 

 though in some cases full-grown specimens are of a uniform pale 

 yellow colour, paler on the spring and legs. 



Such specimens might easily be taken at a glance for Degeeria 

 lanuginosa of Nicolet. 



Fig. 2. 



S. curviseta. A. Lateral view of mucrones, X 200. B. Claws of third pair 

 of legs, X 200. C. Claws of first pair of legs, X 200. From enlarged photo- 

 graphs and mounted specimens. 



* Since the ahove was in print I have received a specimen of this species 

 from Miss Garrod, who found it in a similar locality in London. 



