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. Brachiella thynni 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 parheri G. M. Thomson, ?, x Sh. (p. 212.) 



8. Brachiella pastinacse P. J. van Beneden, ? . x 10. 



(p. 211.) 



9. Brachiella hispinosa Nordmann, 9, x 7, side view 



after Nordmann. (p. 211.) 



(Figs. 1-3 and 9 after Nordmann; 4-6 after Steenstrup 

 & Liitken ; 7 and 8 after Miss Bainbridge.) 



