168 Ejcplanation of Plate HI 



Fig. 2. Peftalus cimiciformis Cambridge. 



Adult male. 

 Fig. 3 a. The animal, from above ; x 35/4. 



Fig. 2 b. Body, from below ; scarcely x 1 3. 



Fig. 2 c. The two distal joints of the left antenna, obliquely from the upper and outer side ; x 24. 



Fig. 2 d. Distal portion of the same antenna ; x 68. 



Fig. 2 e. Left mandibular palpus from the outer side ; x 24. 



Fig. 2 /' Middle portion of tlie anterior half of the body, mandibles and labrum' included, from 

 below ; X 28. 



Fig. 2 (/. Posterior part of abdomen, from below; x 23. — o. operculum anale ; 8. and 9. eighth 

 and ninth sternite ; IX. ninth tergite. 



Fig. 2 h. Distal part of the first left walking leg, from the outer .side ; x 24. 



Fig. 2 i. Distal part of the last left walking leg, seen obliquely from the outer and upper side; x 24. 



Fig. 3. Pettalus hrevicauda Pocock. 

 Males, adult and immature. 



Fig. 3 «. Bod}' of the adult male, from above; x 22/3. 



Fk;. 3 h. The two distal joints of the left antenna of the adult male, obliquely from the upper 

 and outer side; x 19. 



Fig. 3c. Middle portion of the anterior half of the liody of the adult male, from below; x 18. — 

 a. major part of the basal joint of the antennae — with the processes ; b. labi-um ; d. terminal 

 soft part of pars manducatoria of the mandible ; e. angle limiting the stoinotheca in front ; 

 g. carina stomothecie ; lcx\ maxillary lobe of the second pair of coxse ; m. arculi genitales ; 

 St. sternum ; ii. spiracle. 



Fig. 3 '/. Distal part of the first left walking leg of the adult male, from the outer side; x 19. 



Fig. 3 e. Distal part of the last left walking leg of the adult male, from the outer side; x 19. 



Fig. 'd/. Pi-oximal part of the tarsus — witli the end of metatarsus — shown in the preceding figure, 

 seen obliquely from the outer and upper side. 



Fig. 3(/. Body of an immature male specimen, from above; x 21/2. — p. conus fcetidus ; s'. sensory 

 seta ; /. first abdominal tergite ; VI. sixth tergite. 



Fig. 4. Purcellia iUustrans n. gen., n. sp. 

 Male, female and immature male. 



Fig. 4 a. Front part of the head of a female, from above ; x 70. — s. sen-sor}' setse. 



Fig. 4 6. Apical portion of left conus fcetidus (of a male), nearly from above; x 142. — o/». opening 

 for the odoriferous gland, situated between two small oblong lamellar plates. 



' The labrum, which is easily seen between the dark-shaded these eases it was impossible to discern the labrum, which as 

 part of the mandibles on fig. 2 f and tig. 3 c, is not shown on a rule is placed deeply in tlie dark between the mandibles, 

 most other figures on Pis. i. — v. representing the mouth ; in 



