PIjATES II- VI, CALOPTENU8 AND OEDIPODA; 
PILATE VIII, ANABRU8. 
PLATE II. 
Fig. 1. — Section through tho abdomen of a female at the level of the posterior part of 
ventricle. D. , Dorsal arch ; V., ventral arch ; Ov., ovary; Old., blind end 
of oviduct; Ut., uterus; Tr., trachea; art., articulation between dorsal 
and ventral arches; St., stomach. 
Pro. 2. — Section through tho abdomen of a male at the level of the colon. D., dorsal 
arch; V., ventral arch; art., articulation between the two arches; Tr., 
trachea;; Te., testes; col., colon; r. m., respiratory muscle ; V. sem., ves- 
icular seminales. 
Fig. 3. — Section of cuticula of abdomeu. Letters as before. 
Fig. 4. — Seotion of cuticula, p. p., pore canals; h. h.', cuticular hairs. 
FlG. 5. — Transverse section of wing muscles. 
Fig. 6. — Part of transverse section of abdomeu to show the respiratory muscle r, m. ; 
D., dorsal arch; V., ventral arch; art, articular membrane ; Ep., epider- 
mis; cm., cuticula; h., hairs; conn., connective tissue. 
Fig. 7. — Fine tracheae of rectum ; n.', triangular nucleus in fork. 
FlG. 8. — Tracheal branchlet. 
Fig. 9. — Bundle of striated muscle from the head. 
Fig. 10. — Spiral trachea of malpighiau vessel. 
Fig. 11. — Diagrammatic section of last ventral ganglion ; D. B., dorsal roots; V. R., 
ventral roots ; G. Z., ganglion cells. 
Fig. 12. — Ramification of tracheae in muscles ; x, fine terminations. 
Fig. 13. — Ramification of tracheae on the ovary. 
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