42 SJÖSTEDTS KILIMANDJARO-MERU EXPEDITION, 20: 3. 



lower jaw has a straight ventral edge, curved upwards at a riglit angel at the top. 

 The maxillse. The coxse, which are fiised together to eonstitute the ventral side of 

 the rostrum, are long and narrow and the part of them in front of the articulation of 

 the palps is more than half as long as the rest. They bear the usual 4 pairs of hairs, 

 placed in two rows, converging slightly forwards and with the intervals slightly de- 

 creasing forwards. They are of different shape, the two posterior pairs being stouter, 

 hairy and alniost perpendicular. The third pair (counted froni the posterior one) is 

 longer and more pointed than the other two and not hairy. The terminal hair, which 

 is inserted close to the inner side of the maxillary lobes, is three times as long as the 

 third pair, fine, slender and slightly curved. The maxillary lobes are strongly chi- 

 tinized and of the nsual shape. The maxillary pjates are narrow, lanceolate, thin, 

 hyalin slips, without fringes, and project only a little in front of the maxillary lobes. 

 The lingua or hypopharynx is long, with fringes in its distal third. 



The maxillary palps (PI. 3, fig. 22) are short and curved downwards, with 5 free 

 joints. The first Joint has, on the ventral side near the anterior angle, a cylindrical, narrow 

 projection^, which ends in a sharp point and has near the tip a straight, sharply pointed 

 bristle, which pointsobliquely downwards, thus giving to it the appearanceof being bifur- 

 cate; on the outer side, ventrally, there is one stout, perpendicular, hairy bristle. The se- 

 cond Joint has 4 pairs of hairs, 2 of which are placed externally, one dorsally and one 

 internally. The third Joint has two hairs on the dorsal and one on the inner side. 

 The 4*^ and 5*^ joints form together a short, conical structure; the demarcation 

 line between them is distinctly discernible only at the inner side, where tlie 5*^ Joint 

 is longer than it is on the outer side. The joints are provided with numerous long, 

 pointed, bare hairs of which 3 dorsal ones, inserted on the 4*^ Joint, and 2 ventral 

 ones, inserted on the 5*'^ Joint, are 3—4 times as long as the others. The 3 dorsal 

 hairs are beut like a knee as to become parallel or slightly converging. The top 

 of the 5'^ Joint bears a dense bündle of fine, pointed hairs, curved slightly down- 

 wards. The comparatively very great increasing in length of these sense hairs is doubtless 

 a compensation to the palps being concealed underneath the coxa and trochanter I, 

 in Order to enable the creatures to make use of the palps even when cowered up. 



The legs. Legs I (PI. 2, fig. 6) without ambulacres, of the typical pecu- 

 liar shape. Coxa and trochanter broad and flat, forming together a broad, finely 

 punctured shield; coxa with sharp, even, knife-shaped inner (median) edge; the outer 

 edge also flat, but divided into two rounded lobes, of which the anterior one is 

 only half as long as the posterior one. The anterior edge projects as to cover the 

 basis of the trochanter; the exterior half of the edge with fine teeth. The coxa 

 bears two short, stout, feather-shaped bristles near the median edge. Trochanter 

 on ventral view nearly quadrangular, with rounded anterior angles. The median 

 edge with two strong, flat tubercles with a sharply pointed hair between them, on 

 the ventral side. The anterior edge projects as a sharp. horizontal blade, as does 



^ I liave not been able to aseertaiii, wliether tliis projection lU'ticulates -with tlie Joint or not, l)ut I believe 

 tlie former to be the case. 



