Volume 14, 1881
– 179 –

Descbiption Of Plate IX.
| Fig. 1. |
Calliope subterranea, female, × 9. |
| Fig. 2. |
" Base of flagellum of upper antenna showing the rudimentary secondary appendage. |
| Fig. 3. |
" Sensory seta from peduncle of upper antenna of male. |
| Fig. 4. |
" Portion of flagellum of upper antenna of male showing sensory capsules a, and sensory setæ b. |
| Fig. 5. |
" Mandible. |
| Fig. 6. |
" Second maxilla. |
| Fig. 7. |
" Maxillipede. |
| Fig. 8. |
" First gnathopod of male. |
| Fig. 9. |
" Second gnathopod of male. |
| Fig. 10. |
" Telson. |
– 180 –

| Fig. 11. |
Gammarus fragilis × 7. |
| Fig. 12. |
" Base of flagellum of upper antenna, with the secondary appendage. |
| Fig. 13. |
" Extremity of upper antenna. |
| Fig. 14. |
" Mandible. |
| Fig. 15. |
" Second maxilla; a b c, different forms of setæ from the same. |
| Fig. 16. |
" Maxillipede. |
| Fig. 17. |
" First gnathopod. |
| Fig. 18. |
" Telson. |
