396 BRITISH ORIBATIDiE. 



long, on front pair of legs only. A pair of starply- 

 curved liairs on most of the joints except the coxae and 

 tarsi ; these hairs are longer on the front than the hind 

 legs. Tarsi clothed with fine hairs. 



Abdomen nearly elliptical, strongly arched, rounded 

 posteriorly; somewhat truncated anteriorly. There 

 are two longitudinal rows of about three very long, 

 slightly serrated hairs near the median line of the 

 notogaster, each hair standing upright but curving 

 backward, and a series of similar hairs round the 

 margin, standing outward and curving backward ; there 

 are also two pairs of shorter hairs on the hind margin, 

 lower in level, and a very long and stout hair near each 

 antero-lateral angle. 



Distribution. — The species is abundant and gene- 

 rally distributed. The adult is found in moss, dead 

 wood, decaying leaves, &c. ; the nymph chiefly in the 

 two latter. It has been recorded in Germany. 



NoTASPis TRIGONA,* /S'j9. nov. PI. XXVIII, fig. 16. 



Average length about '24 mm. 



Average breadth about '11 mm. 



Average length of legs (first pair) about "15 mm. 



Average length of legs (second pair) about *13 mm. 



Average length of legs (third pair) about '12 mm. 



Average length of legs (fourth pair) about '17 mm. 



A minute species, only to be distinguished by the 

 form of the rostrum and the markings on the cephalo- 

 thorax, which will be best seen from the outline 

 drawing. 



Colour light yellow-brown. 



Texture polished, without any punctures or mark- 

 ings visible by an amplification of, say, 200 diameters. 



* Trigonus, that has three corners, fi'om rpiyiovog, same meaning 

 (rp/c thrice, ywvla an angle). 



