556 BRITISH OEIBATIDJi:. 



HOPLOPHORA MAGNA,* Nic. PI. L, figs. 1 — 7 ; PI. LI, 



figs. 1—4; PL D, figs. 2, 

 14; PI. E, fig. 2; PI. F, 

 fig. 17. 



Type species. 



Hoplophora magna, Nic. P. 472, pi. ii, figs. 1 to 1 g ; pi. x, 



figs. 4 to 4/. 

 — — Haller. P. 307. 



Length varies at least from about '90 mm. to about 

 1'30 mm., probably more. 



Average breadth of a specimen 1*05 long about 

 •55 mm. 



Average depth (from dorsal to ventral surface) of 

 same sized specimen about "55 mm. 



Average length of legs (all pairs), in same sized spe- 

 cimen about '35 mm. 



This species varies in size greatly, it is one of the 

 largest of the British OribatidaB. Nicolet gives its 

 leneth as 1*46 mm. I have not found the British 



o 



specimens as large as this. 



Colour Hghtish oak-brown, sometimes with a reddish 

 tint, and sometimes darker than the typical shade. 

 Legs reddish. 



Texture dull, without the least gloss, coarsely pitted 

 or reticulated, the pits round, irregularly placed, vary- 

 ing in size in different specimens and in different parts 

 of the same specimen, those on the cephalothorax finer 

 than those on the abdomen, the latter averaging about 

 sixty to the millimetre. Ridges between the pits 

 usually not so wide as the pits. 



Form — A long oval ; when seen from the side a 

 somewhat broader oval. 



Cephalothorax. — Aspis with a strong, rough, longi- 

 tudinal median carina, not reaching the anterior or 



* Magnus, large. 



