ACARI 577 



they part and form together a structure which vividly rocalls 

 a spanner. 



Palpi (fig. 88). The first joint has ventrally, as already 

 observed by Oudemans, a thin, spool-shaped hair. 



A remarkable feature on the ventral side is the great 

 number of hairs. The ordinary 5 pairs of hairs are, however, also 

 présent in the usual places, and easily recognized by their 

 greater size. 



The legs (fig. 89 a). Legs II are thicker than the others, and 

 provided with powerful bristles, ventrally ; three on fémur, one 

 on senu, one on tibia, and two on tarsus. At the top of the 

 tarsus there are, on the contrary, no bristles. 



Ambulacres (fig. 89 b) with finely serrated subunguinal 

 lobe. 



Subfam. Laelaptinae 



EULAELAPS Berl. 

 E. arcualis (K) Berl. 



(Fig. 90-93). 



Provinciade Huesca{Spain). — Cueva de abajo del CoUorada 

 ou Cueva de las Guixas, commune de Villanua, canton de 

 Partido de Jaca, 30th August 1905 ; N» 53 g, 2 ç. 



Distribution : Italy, Germany, Netherlands. 



The présent spécimens difïer slightly from Berlese's, 

 description and figures. The différences are, however, too small 

 to justify a distinct variety being established. Besides the 

 différences treated below, there are a few additions to be made 

 to B's description, which is incomplète in several respects. 



Female. 



Length : 1035 u. Width : 760 y.; thus of the ordinaiy size. 



The gênerai shape and the configuration of the différent 



ventral shields are almost the same as in the typical form. 



