596 MR. A. M. ALTSON ON THE 
9. Sharp, B. (1918).— " Studies in Rhynchophora " : pp. 209-222. Trans. Ent. Soc. 
London. 
10. Sharp, D., & l"\ Muir (1912). — "Tlie Compariitive Anatomy of the Male Genital 
Tube in Coleoptera " : pp. 477-641, pi. 63. figs. 132 & 132 n. 
Trans. Ent. Soc. London. 
11. vStf.in, F. (1847). — ' Vergleiohende Anatomie und Physiologie der Insekten. I. Mono- 
graphie. Ueber die Geschlechtsorgane und den Ban des liiuterleibes 
bei den weiblichen Kafern ' : pp. 139, 9 pis. Berlin. 
EXPLANATION OF THE PLATES. 
Plate 31. 
Fig. 1. Male genitalia. Semi-diagrammatic. X circa 51. 
Fig. 2. Transverse section (slightly oblique) through apex of abdomen of immature male. 
X 100. 
Fio-. 3. Riglit lateral aspect of apex of male abdomen, x 114. 
Fig. 4. Diagrammatic ventral aspect of seminal vesicles, accessory glands and their Junction 
witli branched ejaciilatory duct, x circa 51. 
Fig. 5. Diagrammatic dorsal aspect of genitalia and alimentary tract iji situ. Greatly 
magnified. 
Plate 32. 
Fio-. 1. Female genitalia (camera lucida) and part of alimentary tract (partly diagrammatic). 
X51. , 
Fi"'. 2. Longitudinal section through apex of female's abdomen, x 384. 
Fig. 3. Transverse section through spermatheca. C. I. X 384. 
Pig. 4. Longitudinal section through base of spermatlieca and valves of oviduct. C. /. 
X 384. 
Plate 33. 
Arrangement in situ of genitalia and alimentary tract of female. 
Partly reconstructed from sections and partly diagrammatic. Greatly magnified. 
Fig. 1. Left lateral vifew. Position of repose. 
Fig. 2. Dorsal view. Position of repose. 
Fio-. 3. Right lateral vie-w. Position when ovipositor extruded. 
Plate 34. 
Fio'. 1. Longitudinal section through ovipo.sitor at junction of inner and outer sheaths. 
Fio-, 2. Longitudinal section tlirough middle of ovipositor, showing rectum' convoluted. 
Fio'. 3. Longitudinal section through ovipositor, showing rectum and common oviduct 
separating. 
Fio-. 4. Transverse section of ovipositor at junction of inner and outer sheaths. 
Fio-. 5. Transverse section of middle of ovipositor. 
¥i<^. 6. Transverse section of ovipositor, showing rectum and common oviduct separating. 
Fio-. 7. Transverse section of ovipositor showing- anus free, and common oviduct completely 
enclosed by inner sheath. 
Fio-. 8. Transverse section through bursa copulatrix, 
(Figs. 1, 2, and 3 are of a mature fertilized female. Part O. I. and partly reconstructed, 
Fio-s. 4, 5, 6, and 7 are of an immature female, C. I. Fig. 8 is of a fertilized female, 
C. I. All figures x 840.) 
