TABLE OF THE PLATES. 



INSECTA. 



Plate 15. Fig. 1. — Sph-Erodervs nituhcollis, Chev. 

 Fig. 2. — Cai.osoma ri piPENNii, Dej 

 Fig. 3. — Cychris iTALiciis, Bon. 

 Fig. 4. — Pamborhs alteknans, Latr. 

 Fig. 5. — Head of Pogonophorus 

 Fig. 6. — Hinder Tarsus of Peiophila 

 Fig. 7. — Cababus ratilans, Latr. 

 Fig. 8. — Pelecilm cyampes, Kirby 

 Fig. 9. — Masorcf.us luxatus, Dej. 

 Fig. 10. — Palpi of the principal Bembidion 



VoL III. Page 



. 402 

 . 399 

 . 399 

 . 403 

 . 404 

 . 401 

 . 397 

 . 406 

 . 405 



Plate 16. Fig. 

 Fig. 

 Fig. 



Fig. 

 Plate 17. Fi?. 



Figs 

 .Fig. 



Figs 

 Fig. 



Fig. 



Figs, 

 Fig. 



Fig. 

 Fig. 



Figs, 

 Fig. 



Fig. 

 Fig. 

 Fig. 

 Fig. 

 Fig. 



1. — Dytiscus Lherminieri, Chev. . . , 409 



2. — DvTiscrs SERRicoRNis, Payk. . . 409 



3. — Hinder Foot of Colymbetes . . , 410 



4. — Hinder Foot of Hydroporis planus, Latr. . . 410 



^\ — Hygrobia Her.manni, Latr. . . .' 410 



6. — NoTERis CRASSicoRNis, Clairv. . . .'411 

 7. — Halipi-ls elevatls .... 411 



8. — Gyrinis sulcatus, Dej. . . . . 413 



1.— The left covering horny plate, with the penis of Callichroma 

 MoscHATiM, b — The upwards bent penis, furnished at the 

 end with a hook. 



, 2-4.— Male organs of Cimbex variabilis. 



2. — From below, a, a, a, a. — The external sheaths, each consisting 

 of a lower horny and a superior membranous portion, b, b. 

 — The penis, likewise consisting of two halves. 



3. — The left half of the sexual apparatus, seen from without, a. 



Horny basal portion of the sheath, b. — Membranous appen- 

 dage, c, c. — Halves of the valvular penis. 



4. — The same from within, marked similarly, d, — Outlet of the vasa 

 deferentia. 



. 5-7. — Male organs of Vespa Germanfca seen from'beneath. 



6. — Penis, from the side, distended like a spoon anteriorly, c, with 

 a barb, a, by whicl; it hangs attached during copula. 



7. — The same, from above, marked similarly, b. — Internal passage 

 of the penis. 



. 8, 9, 10. — Male organs of Deilephila Galii. 



8. — Lateral view of the whole apex of the abdomen, a, a. — Horny 

 ring to which the external sheath is affixed, b. — External 

 sheath of the left side. c. — Penis, e. — Anus. 



9 — Sheath of the right side seen from within. 



10. — Free penis, a, with the aperture c, and the muscles b, which 

 attaches it. 



. 11, 12. — Male organs of Cercopis vulnerata. 



11. — The sexual apparatus, enclosed in valves, seen from the left 

 side. 



12. — The opened sexual apparatus, seen from above. The external 



valve* are removed, a, a. — The internal valves, b, b. 



The horny penis, consisting of two parts, bent outwards. 



13. — Ovaria of Ephemera marginata. 



14. — Ovaria of Phasma gigas, Miill. 



15. — Ovaria of Gryllus migratorils. 



IG. — Ovaria of Meloe proscarabeis. 



17. — Anterior aperture of the penis of Deilephila Galii, seen from 

 above. 



Plate 18. Fig. 1. — Ovaria of Gryllotalpa vulgaris, Mlill. 

 Fig. 2. — Ovaria of Lepisma, Trev. 



Fig. 3. — Internal sexual organs of Hippobosca, L. Duf. 

 b. — Uterus. c, — Conducting vessels. 



-Ovaries. 



