EXPLANATION OF PLATE III. 



FIGURE 10. Crangon vulgaris Fabr., (p. 550 ;) male : dorsal view, natural size. 



11. Virbius Zostericola Smith, (p. 550 ;) female ; lateral view, slightly en 

 larged. 



12. Mysis stenolepis Smith, (p. 551;) young female; lateral .view, enlarged 

 four diameters. The anterior margin of the carapax is not well repre 

 sented in this figure ; see description. 



13. Diastylis quadrispinosa G. O. Sara, (.p. 554 ;) lateral view, enlarged seven 

 diameters. 



(All the figures were drawn by J. H. Eruertoii.) 



