PLATE LXIV. 



FIGS. 



1-3. Achtheres percarum Nordmann, ?. (p. 193.) 



1. Anterior end, ventral aspect, shewing mouth- 



appendages. 



2. First maxillipeds, side view. 



3. Second maxilliped, side view. 

 4-6. Brachietta tlrynni Cuvier. (p. 204.) 



4. Male, seen from the side, x 30. 



5. Female, scarcely mature, head wanting, slightly 



enlarged. 



6. Female, adult, x about 3. 



7. Brachiella parkeri G. M. Thomson, ?, x 3i. (p. 212.) 



8. Brachiella pastinacas P. J. van Beneden, 9 . x 10. 



(p. 211.) ^ 



9. Brachiella bispinosa Nordmann, $, x 7, side view; 



after Nordmann. (p. 211.) 



(Figs. 1-8 and 9 after Nordmann; 4-6 after Steenstrup 

 & Liitkeii; 7 and 8 after Miss Bainbridge.) 



