164 Explanation of Plate T 



EXPLANATION OF THE PLATES'. 



PLATE I. 



Fig. 1. Stylocellus Beccarii Thorell. 



Adult male and female. Nearly all figures are of the male, only figs. 1 ;;/ and 1 /• of the female. 



Fig. \ a. Male, from above; x 17/3. — o. eye : p. ' conus foetidus': process contaiuiag the outlet from 

 the odoriferous gland. 



Fig. 1 h. Body, with coxie and trochanters of the walking legs, from below ; the left antenna and 

 mandible removed; x 17 '2. — a. front margin of the collar; h. basal joint of the antenna with 

 its two processes ; c. mandibular palpus ; d. dorsal scutum ; o. operculum anale ; t. sulcus lateralis 

 obliquus; u. spiracle; 1 — 9. first to ninth abdominal sternite ; (i) — (7). numbering of the same 

 sternites according to the usual conception : IX. ninth abdominal tergite. 



Fig. 1 c. Middle part of the collar of the head, from above : x 72. — s. sensory setse. 



Fig. 1 (/. Head, from the left side ; x 8. — e. collar ; d. lateral wing of the collar ; e. furrows ; 

 f. sulcus posterior cephalothoracis ; g. groove between cephalothorax and abdomen ; o. eye ; 

 p. conus fcetidus. 



Fig. 1 e. Terminal part of conus foetidus, from the outer side ; x 228. — a. membranous area on 

 which the aperture is to be found. 



Fig. \ f. Basal part of left antenna, from the outer side; x 12. — a. basal inner prolongation: 

 h. processus basalis ; c. processus inferior exterior ; d. dorsal ridge ; e. base of the second joint ; 

 «»'. lowering muscle of the antenna; m'. lifting muscle of the antenna. 



Fig. 1 g. Second and third joints of the left antenna, from below ; x 1 2. 



Fig. 1 f/'. Distal portion of the same antenna, from below ; x 37. 



Fig. \ h. Clypeus, d., and labrum, /., from above; x .36. — ;;. processes from clypeus. 



Fig. 1 /. Clypeus and labrum, from the left side ; x 31 ; lettering as in the preceding figure. 



Fig. \ j. Left mandible with its palpus, from the outer side; x 12. — a. trochanterial part; h. femoral 

 part ; c. patellar part : d. tibial part ; e. tarsal part ; f. claw ; m. terminal portion of pars 

 manducatoria, and p. pars palpigera of the mandible. 



Fig. 1 A-. The two proximal joints of the left first walking leg, from the admedian side: x 10. — 

 a. lower margin of coxa ; h. soft tripartite portion of the maxillary lobe ; c trochanter. 



Fig. 1 k\ Basal part of the coxa shown in fig. 1 A. ; x 2.5. — h. soft tripartite portion of the maxillary 

 lobe. 



Fig. 1/. Middle portion of the anterior half of the body of the male, from below; x 19. — • 

 c. mandible ; d. terminal face of its pars manducatoria ; cx\ — ex*, first to fourth coxa ; e. front 

 end of first coxa ; / angle limiting the stomotheca in front ; g. carina storaothecie ; h. soft 

 tripartite portion of the maxillary lobe of the first coxa ; lcx°. maxillary lobe of the second 

 pair of coxae; m. arculi genitales (first abdominal sternite): r. operculum genitale; st. sternum; 

 2. front part of the second abdominal sternite. 



1 On the terms used iu Cyphophtbalmi (Pis. i.— v.) see pp. 77, 78; on the terms used in Eicinulei (Pis. vii.— ix.) 

 see p. 14.5. 



