TRAG A RPH, ACARI. 49 



midcUe; 4**> Joint ventrally and distally with one long hair ; 5*'^ joint of tlie usual shape. 



Legs. All thc legs richely provided with bristles. Legs I more slender 

 tlian the others ; coxa and. trochantcr of equal length ; the anterior edge of the coxa 

 externally with two sliort, hyalin thorns; femur interiorly with a row of 4 bristles, 3 

 of which are directed forward, while the posterior one points straight inward; exte- 

 i'iorly with 6 bristles two of which, one placed in the middle, the other distally, are 

 much stronger; feniur rather short, of equal length with the tibia; genu slightly 

 shorter. The whole distal half of the tarsus exteriorly with short, pointed, hyalin 

 hairs, arranged in 5 groups, the anterior one of which is the largest. 



Legs II (PI. 2, fig. 32) of the usual shape; coxa on the inner side, distally, 

 with an extraordinary stout thorn; calcar femoralis very large and strongly chiti- 

 nous, the posterior (ventral) side with a low, truncated tuberele near the base; the 

 anterior edge sharp, with a longitiidinal groove at the top and two low teeth; no 

 Processus axillaris, only a stoi;t bristle on a low tuberele; processus genualis 

 in the middle of the ventral edge of the genu, saddle-shaped ; processus tibialis is 

 a very large, thumb-shaped (on lateral view) projection at the inner side of the an- 

 terior edge of the tibia. 



Legs III. Coxa on the dorsal side of the anterior edge with a conical, hyalin 

 thorn; genu short, curved, with two dorsal tubercles, provided with two bristles each. 



Legs IV (PI. 3, fig. 20). Coxa long, ventrally, behind the middle, with one 

 very short tuberele, its distal dorsal edge with a stout, pointed tuberele ; femur with 

 one Sharp tuberele on the ventral side proximaUy. 



Ambulacres. Owing to the caruncles not being spread out I am unable to 

 describe their shape as well as that of the claws. The paratarsi I are comparatively 

 longer than in Pachylcelaps kibonotensis Tgdh, and present a very striking feature, 

 being provided on the dorsal side in the middle with an oval, flat and button- 

 shaped structure, excavated in the middle. (PI. 3, fig. 26.) 



Kilimandjaro, one male. 



Paralirlaps nov. subgen. 



The present species differs from. the other speciea of the genus Pachykdaps in 

 some essen tial respects, as the shape of the ventral shield of the femalc, which is 

 small, nearly circular and not contiguous to the anal shield, the small metapodial 

 shields, and the absence of appendages on the 4*^ joint of the palps. But on the other 

 band the confirmity with regards to other characters is so apparent, that the diffe- 

 rences in my opinion are only of subgeneric value. 



ParaliPlaps nov. subgen. 



? Ventral shield small, rounded, widely separated from the anal shield. 

 Ventri-anal portion of the <S sterniti-ventri-anal ' shield Covers only the 

 middle of the belly; 4**» joint of palps without any appendages. 



Sjöftedtx Kilimandjaro-Meru Expedition. 20. ' 



