TERRESTRIAL ACARI OF THE TYNE PROVINCE 389 



PELOPTULUS, Berl. 



Pteromorphas mutually disjunct ... ... phaonotus 



Pteromorphse conjunct in front of dorsum ... montanus 



33. Peloptulus phaeonotus, Koch. 67a. 



Cornwall, Scotland, Ireland. 



34. Peloptulus montanus, Hull. 67ac. 



Taken first, as the name indicates, in the hill 

 country (West Allendale, at 1,000 feet). Also 

 immediately afterwards in submaritime localities 

 (Holywell Dene, R. S. Bagnall). Frequent in moss 

 from Delamere Forest, Cheshire. 



SPH/EROZETES, Berl. 



Oribatine species with well-developed membranous 

 lamellae, and a similar laminate translamella. 



Type species : orbicularis, K. 



1. Dorsum hairless, pteromorpha; disjunct. 



setae glabrous ... ... ... ... 2 



Pteromorphse joined by a narrow band, 



thoracic setae serrate ... ... ... 3 



2. Lamellar and translamellar cusps equal ... orbicularis 

 Lamellar cusp exceeding the translamellar. piriformis 

 Cusps wanting ... ... ... .. rubens 



3. Dorsum hairless ... ... ... ... montivagus 



Dorsum setate ... ... ... ... 4 



4. Sinus of translamella wide, cusps short ... 5 

 Sinus of translamella deeper than wide, 



cusps long 



7 



Inner (translamellar) cusp wanting 



... not at us 



Both cusps present, acute ... 



6 



Translamella broad ... 



... picipes 



Translamella narrow 



... oblongus 



Cusps unequal acute 



. . . sctosics 



Cusps equal truncate 



... fuscipes 



35. Sphaerozetes orbicularis, K. 66, 67, 68. 



I have this species from North Wales. Whether 

 other records under this name are referable to the 

 species as here defined, I do not know. 



