ACARI 523 



Fam. PARASITID^ (Gamasidœ). 



Subfam. Parasitinae (Gamasinœ). 



PERGAMASUS Berl. 



P. crassipes (L.) var. longicornis Berl. 



(Fig. 1-2) 



Département de VAriège {France). — Grotte de la Garosse, 

 commune de La Bastide-de-Séroii, canton de la Bastide-de- 

 Sérou, 18th September 1906; N^ 154, 1 9. 



Département de VAriège [France). — Grotte de Capètes, 

 commune de Freychenet, canton de Foix, 15 th May 1908 ; 

 No 218, 1 cr, 2 9. 



Département de la Haute-Garonne [France). — Grotte du 

 Camp, commune d'Arbas, canton d'Aspet ; 23th Juily 1908; 

 W 229, d-, 9. 



Distribution : Germany, Norway. 



According to Berlese the main form is restricted to Sou- 

 thern Europe, whereas the var. longicornis is found in Ger- 

 many and Norway. It is of spécial interest that the nothern 

 variety is the one found in caves. 



In my spécimens we notice the following features in legs 

 II of the maie, which are not recorded by Berlese. On the 

 exterior side of the fémur (fig. 1), subventrally, we notice a 

 low ridge which evidently acts as a check to the processus 

 genualis, which seems to be larger than in the main form 

 (in var. longicornis its shape is not mentioned by Berlese). 

 Processus tibialis isstraighter and thicker atthe base than 

 in the spécimens dehneated by B. ; the ventral accessorial 

 processus is not « subbilobatus », but has a straight ventral 

 edge ; the anterior, external processus is shghtly shorter 

 than in B. s spécimens (fig. 1 and 2). 



