ON NEW OR LITTLE-KNOWN ACARI. 



361 



Yell Sound, Ollaberi-y, North Mavine, Shetland Islands : Little 

 Roe Island (13, ii. 1913). Specimens collected by James 

 AV^aterston. 



Text-fisjm-e 5. 



Rliinonyssvs HPglectus, pp. ii., ? . Ventfiil view. 



Rhinonyssus coniventris 1'rouessavt. (Text-figs. 6 & 7.) 



2 . Abdomen elongated (conical). Anterior spinules on venter 

 similar to those present in R. neglectus, etc. There is also a pair 

 of spinules situated not far behind the gen ito- ventral plate and 

 two pairs of minute spinules or tubercles near the anal orifice. 

 Legs. Last pair of legs greatly enlarged and furnished with very 

 strong spinules. 



S . Fourth leg about as long as the first and not much stouter. 



Length, 2 ,1-45 mm. 



Habitat. Nasal cavities of the Turnstone {Strepsilas interpres) ; 

 North Roe. Mainland, Shetland. Specimens collected by James 

 Waterston (27. ii. 1911). 



