EXPLANATION TO PLATES. 



387 



PLATE VIII. 



ANATOMY OF ALKTIA XTLINA. 



(Original.) 



Fig. ]. Exoskeleton, female imago : a, anteima; cl. 

 clypeus ; D, eye ; P., palpus ; mx, max 

 iUa; ep.^, first spiracle; eps.^, epi 

 sternum; «.', scutum of protliorax ; s " 

 scutum of mesothorax ; «m.2, scute! 

 lum of mesothorax ; w, wing ; sL, ster 

 num ; ex., coxab ; epm., epimera ; I, II, 

 m, thoracic segments ; 1-9, abdominal 

 segments. 



Fig. 2. Generalanatftmy of male imago: &r., brain; 

 OS., oesophagus; ao., aorta; g,g',g", 

 ganglia ; fr. , food reservoir ; Te. , testis ; 

 St, stomach ; m. v., malpighian vessels; 

 i, intestine ; c, coecum ; R., rectum ; p,, 

 penis ; a, clasper ; 1-9, abdominal seg- 

 ments ; I-m. thoracic segments. 



PLATE IX. 



ARATOinr 09 AURIA ZTLIKA 



(Original.) 



Fio. 1. Exoskeleton, ventral view: !>., palpus; mx., 

 maxillsB ; E, eye ; $.^, scutum (?) of pro- 

 thorax ; I.>, joint of first leg; St., ster- 

 num; 9p8, episternum; pt., patagium; 

 a, a, median pieces. 



Fig. 1. A. Section of scale. 



Fig. 2. Three tarsal joints, leg of imago. 



Fig. 3. Long scale &om the abdominal brush of 

 the male. (J-inch objective.) 



Fig. 4. Female organs of reproduction: c.p., cop- 

 ulatory pouch; v., v., vagina; 8. d., 

 sperm-duct ; ov., base of the four left 

 ovarian tabes; u., the uterine cham- 

 ber, or expansion of the oviduct ; the 

 right oTiduot can be seen out off; e. v., 



copulatory vestibule; a. gl.^, the single 

 and a. gl.^, the double accessory gland, 

 only a portion of the tubes being 

 shown; 8, the eighth abdominal seg 

 ment, the upper part being indicated 

 by dotted lines, so as to show the ovi- 

 duct beneath ; 9., terminal segment 

 with its lateral lobe. 

 Fig. 5. Cuticle from copulatory pouch. 

 Fig. 6. Small portion of same, more magnified. 



(^-inch objective.) 

 Fig. 7. Transverse section through one of the 

 folds of the copulatory pouch (^inch 

 objective): m, muscular layer; ep, 

 epithelium; Ott., cuticula intima. 



PLATE X. 



AH ATOMT OF ALETIA XTLINA. 



(Original.) 



Fio. 1. Beprodnotive organs of the male, from 

 above : ta, testis ;v.d., rasa deferentia; 

 g.m., glandulsB muoose; d. «., ductus 

 eJaculatoriuB; jp, penis; o. j>r., Tentral 

 prooeM of ninth segment; f, telson of 

 same; «, left, e\ right dasp; b, brush; 

 a, HI11S; P'P; protraoior penis. 



Fis. 2. View from beneath of the ninth segment 



of the male with its appendages. Let- 

 ters as before. 



Fig. 8. Lateral view of same : /, movable finger 

 over the anus ; other letters as before. 

 The position of the brush is shovra by 

 dots, so as to make the shape of the 

 clasp more evident. 



Fia. 4. Tip of penis, from above. 



PLATE XI. 



AXATOMT OF ALITIA XTUHA. 



(OilginaL) 



Fig. 1. View of spiracle, abdomen of imago. 



Fig. 2. Single spine of same spiracle. 



Fig. 3. Exoskeleton of third thoracic and first ab- 

 dominal segment: S.*, scutum; A., 

 flap ; B, tympanum ; Epm,:^, epimeron ; 

 «c.*, coxa; Sp, spiracle. 



Fig. 4. Cuticula of first abdominal segmenu 



Fig. 5. Pores to which scales are attached. 



Fig. 6. Tip of maxilla. 



Fig. 7. Hairs of maxiUa. 



Fig. 8. Single spine from maxilla. 



