AOARI 537 



Ruisseau souterrain d'Aulot, commune Saint-Girons, can- 

 ton de Saint-Girons, 14th September 1909 ; N» 293, 1 a\ 



Grotte des Neuf-Font, commune d'Aulus, canton d'Oust, 

 18th September 1909 ; N« 300, 3 9. 



Grotte de la Queue-Rouge, commune d'Ustou, canton 

 d'Oust, 19th September 1909 ; N^ 301, 1 o\ 



Grotte de Tourtouse, commune de Tourtouse, canton de 

 Sainte-Croix, 9th August 1907 ; N» 209, ç 9. 



Département du Lot {France). — Grotte de Goulïre de Padi- 

 rac, commune de Padirac, canton de Gramat, 4 novembre 1908 ; 

 No 245, 2 o% 3 9. 



Département du Gard (France). — Grotte du Serre de Barry 

 de Ferreol, commune de Saint-Privat-de-Champclos, canton 

 de Barjac, 27 août 1909 ; N» 277, 1 o\ 



Départeinent de la Seine {France). — Catacombes de Bicêtre, 

 commune de Kremlin-Bicêtre, canton de Ville juif, Winter 

 1905, Summer 1906 ; n» 132, 1 cf. 



Distribution : Austria. 



Amongst the Parasitidae which hâve never been identified, 

 tliere are two cavernicolous species, described by Wankel 

 (1861, b) from the Austrian caves, viz. G. loricatus and G. niveus. 

 As a matter of fact, W's paper seems to hâve been overlooked 

 by Berlese ; at least, he does not mention it, either in his 

 great work on the Italian acari or in his monograph on the 

 genus Parasitus Latr., and allied gênera. 



Although botli species are very imperfectly described, and 

 the drawings, as a rule, do not exhibit many characteristics of 

 any use for purposes of identification, and are certainly in some 

 respects wrong, yet, one species, G. niveus exhibits so singular a 

 characteristic that it is not met vith in any other Parasitinae. 

 Tins unusual featureisthe présence of two procès si a x il lare s, 

 and this peculiarity it sha^res with one species found in Raco- 

 vitza's collection. 



The supposition that thèse are identical is confirmed by 

 Wankel' s diagnosis, in which the second pair of legs is suffi- 



