494 BEITISn ORIBATID.E. 



hair. Posterior margin slightly concave, but below 

 the concave line projects a narrower portion, also with 

 sharp or projecting angles, bearing similar hairs and 

 having a concave posterior margin. There are a pair 

 of smaller similar hairs between the two above-named 

 and further from the posterior margin, one on each 

 side on the lateral margin, somewhat anterior to the 

 postero-lateral angle ; four on each lateral raised mar- 

 gin, and four on the progaster. There are also two longi- 

 tudinal rows, of about four similar hairs each, on the 

 notogaster. 



Distribution. — Grenerally distributed, but not very 

 abundant. The species has been recorded in France 

 and Italy. 



NoTHRus PALusTRis,* Koch. PI. XLYI, figs. 8 — 13. 



Notlirus palustris, Koch. Heft 29, fig. 13. 



— — Nic. P. 457, pi. vii, fig. 6. 



— — Haller. Milbenfauna Wilrtembergs, p. 306. 

 — • — Berlese. Acari, &c. Ital., fasc. xxs, pi. iv. 



— pollens, Koch. Heft 38, fig. 4, Nymph. 



— — Can. e Fan., p. 25, pi. i, fig. 4, Nymph. 



Average length about 1*05 mm. 



Average breadth about "60 mm. 



Average length of legs (first pair) about '65 mm. 



Average length of legs (second pair) about "50 mm. 



Average length of legs (third pair) about "58 mm. 



Average lengtli of legs (fourth pair) about '85 mm. 



A large, handsome, clean, and well-marked species. 



Colour dark red -brown. 



Texture rough and dull, central parts coarsely 

 pitted (pits about 85 to the mm., and rather wider 

 than the ridges between them) ; peripheral parts some- 

 what finely granular (granulations about 140 to 



* Falustris, of a marsh. 



