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 jview, enlarged 

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

 sented in this figure ; see description. 



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

 diameters. 



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



