TERRESTRIAL ACARI OF THE TYNE PROVINCE 38 1 



Terrestrial Acari of the Tyne Province. 

 By the Rev. J. E. Hull, M.A. 



I.-ORIBATIDAE. 



The Oribatidae of Northumberland and Durham — the 

 Watsonian Tyne Province, comprising three vice-counties : 

 Durham (66), Tyneland (67), and Cheviotland (68) — are set 

 forth, in the present list, to the number of 116 species, in thick 

 type. Precise localities are not given, but after the name of 

 each species its distribution is indicated by the numbers of the 

 vice-counties in which it has occurred, each vice-county being 

 further divided into three regions — the hill country (a), the 

 coast (c), and the intervening region (b). But it is to be 

 understood that the nine regions thus formed have only been 

 explored by sample. Thus, 67a practically stands for West 

 Allendale, and similarly 68a may be taken as representing 

 Wooler and Cheviot Hill, and 67c the immediate neighbour- 

 hood of Whitley Bay, while 66b is made prominent mainly by 

 Mr. R. S. Bagnall's exhaustive collecting at Gibside and 

 Chopwell. 



To the local species I have added the other 44 British 

 species (names in italics) so as to present a complete up-to- 

 date British list for the convenience of students. The basis of 

 the list is of course Michael's British Oribatidae (indicated 

 below by the initials B.O.); Irish records are from Halbert's 

 list (Clare Island Survey, Part 39 ii.); Scottish records from a 

 MS. list (very kindly supplied by Mr. Win. Evans of Edin- 

 burgh) of the Oribatidae taken in the Forth area. I am heavily 

 indebted to Dr. Randell Jackson for copious supplies of 

 material from Cheshire and North Wales ■ also to Mr. Varty 

 Smith of Penrith for excellent consignments from Cumberland 

 and Westmoreland. I have had the privilege of examining 

 a fine collection made at Southport by the late Dr. Chaster 

 (list included in my paper on Dr. Jackson's earlier consign- 

 ments — Lancashire and Cheshire Naturalist, February, 191 5); 

 and I am now publishing in the same periodical an account of 



