ExplaiKifioii of Plate VTT 175 



Fig. \ m. Mandibles with hiluuin, from aliove; x 28.— a. anterior fiee margin of the fused mandibles; 

 p. pars apicalis of the labruui ; /. pars basalis of the labrum ; (/. posterior portion of the left 

 mandible; /. transverse line, being the front border of the membranous skin which lies close 

 on the dorsal surface of the posberioi- part of the mandibles and of the pars basalis of the 

 labrum ; at the front border named tiiis membranous skin turns upwards towards the base 

 of the antennas ; to", tendon of the muscle raising the anterior end of the mandibles. 



Fig. 1 n. Mandibles with labrum, as in the preceding figure, from above ; tiie musculature and 

 the basal part of the first trochanterial part of the i)alpus are .seen by transmitted light.— 

 ;/i'. and »r. muscles to the first trochanterial part ; tr. of the mandibular palpus ; //«*. muscle 

 to the pars apicalis of the labrum ; iii-'. muscle of doubtful function ; wi". tendon of the muscle 

 raising the anterior end of tiie mandibles. 



Fig. 1 o. Left mandibular palp, from in front ; x 24. — a. first trochanterial part ; b. second tro- 

 chanterial pai-t ; c. femoral part ; d. tibial part ; e. tarsal part. 



Fig. 1 /). Distal part of the first right leg, obliquel}' from in front and from above ; x 24. — 

 (I. distal part of the femur : /;. patella : c. tibia ; (/. metatarsus ; e. tarsus ; f. claws. 



Fig. 1 q. The ' tail,' consisting of the seventh, eighth and ninth al)dominal segments, from above ; 

 X 37. The proximal segment, 7., turns slightly upwards, the two distal segments, .S'. and 9., 

 turn considerably upwards ; a. anus. 



Fig. 1 r. Hair from the anterior side of the femur of the second pair of legs ; x 305. 



Fig. 1 a. Another hair from the same place ; x 305. 



Fig. 1 t. Portion of the lower margin of the femur of the second pair of legs, showing two of 

 the grooved grains and two kinds of hairs ; x 200. 



Fi<;. ] if. Portion of the skin from the distal part of the upper and outer margin of the tibia 

 of the fourth pair of legs, showing four grooved grains, one of the large scaly hairs and the 

 exceedingly dense short pubescence ; x 300. 



Fig. 1 y. Upper terminal portion of the last tarsal joint of the fourth pair of legs, from above ; 

 X 300. — h. spatulate hair ; s. sensory hair. 



Fig. 1 X. The right tracheal trunk with the basal portion of the tracheal tubes, somewhat diagram- 

 matic, seen from above and somewhat obliquely from the inner side; x 122. — o. outer margin of 

 the trunk. 



Fig. 1 y. Small portion of the inferior margin of the i-ight spiracle, from the inner side ; x 364. 



Fig. 2. Cryptostemma pleheium n. sp. 



Immature female. 



Fig. 2 a. The animal, from above ; scarcely x 5. 



Fig. 2 b. Cucullus, from above (from in front) ; x 12. 



Fig. 2 c. Left mandibular palp, from in front ; x 13. 



Fig. id. Distal part of the first right leg, obliquely from in front and from above; x 12. 



Fig. 2 e. Scaly hair from the anterior side of the femur of the second ])air of legs, from above ; 

 x 300. 



Fig. 'If. The same hair, from the side. 



