576 IVAR TRÂGARDH 



ventralhairs. Inguinal shields présent, narrow oval. on a 

 level with the anterior edge of the ventri-anal shield. Stig- 

 mata on a level between coxae III and IV; périt remata 

 riinning forwards, slightly beyond the shoulders. 



The legs. Legs I are of exactly the same shape as in the 

 maie. Legs II shaped so exactly like those of the nympha 

 delineated, that the figure might just as well represent legs II 

 of the female. 



HAEMOGAMASUS Berl. 

 H. hirsutus Berl. 



(Fig. 87-89). 



Provincia de Huesca {S pain). — Cueva de abajo del Colla-, 

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

 Partido de Jaca, 30 th August 1905; N° 55g, 1 cf, 3 nymphae. 



Distribution : Ttaly and Germany, in moles' nests. 



The nymphae entirely agrée with Oudemans' description 

 and drawings. 



As to the maie, there are a few additions to be made to 

 his description. Besides, the mandibles differ, but not to such 

 an extent as in my opinion to justify the establishment of a 

 distinct variety. 



Mandibles (fig. 87). The upper jawof a very peculiar shape, 

 widening considerably from the base towards the middle. This 

 is chiefly due to the présence of a high blade at the dorsal edge, 

 increasing in width forwards and ending abruptly with an 

 acute angle a little beyond the middle of the jaw. The ventral 

 edge of the jaw is concave in the middle ; in front of the blade 

 the jaw tapers to a narrow, finger-shaped appendage, which is 

 bentat a right angle upwards. Pilus dentarius présent in the 

 middle of the tapering base of the appendage, small ; pilus 

 basalis submarginal, at the base of the jaw. The upper jaw 

 has to ail appearances the cal car fused with the jaw as far 

 as to where both bend downwards at a right angle ; hère 



