490 BRITISH OEIBATIDJl. 



are two higher in level, from each of these springs a 

 large curved hair similar to the lamellar hairs. There 

 are four similar hairs, but smaller, on each lateral 

 margin, and two diverging longitudinal rows, each of 

 three very small hairs, on the notogaster. The dorsal 

 plate is greatly sufflexed on to the ventral surface, 

 where it is much arched in the middle, leaving the 

 hind margin projecting as a thinner shelf at the sides. 

 Ventral plate very small and triangular ; almost or 

 quite separated into two paired pieces, each of which 

 has a sharp point directed inward somewhat in front 

 of the middle of the anal plate. Genital and anal 

 plates almost touching ; the former large and penta- 

 gonal, the latter long and narrow, with two small 

 lateral projections anteriorly, then constricted, then 

 curving outward and coming to a point posteriorly 

 (amphora-shaped) . 



Distribution. — I have only one specimen, found in a 

 mole's nest in Warwickshire. Berlese found it at Rua 

 in Italy in moss. 



NOTHRUS STLVESTRIS,* Mc. PI. XLYI, figS. 1 7. 



Nothrus sylvestris, Nic. P. 458. 



— Anauniensis, Can. e. Fan., p. 24, Tav. 1, fig. 2. 



— — Berlese. Acaii, &c. Ital., fasc. xvii, pi. vii. 



— hiciliatus, — — Notes, fasc. 3, 



p. 11. 



Average length about '66 mm. 

 Average breadth about "30 mm. 

 Average length of first pair of legs about '41 mm. 

 Average length of second and third pairs of legs 

 about '30 mm. 



Average length of fourth pair of legs about '48 mm. 



This is a clean and rather handsome species, it has 

 a considerable resemblance to N. palustris, although 



* Sylvestris vel. silvestris, of tbe woods. 



