J6 Explanation of Plates. 



Fig. 9. The outer or posterior valve of the maternal pouch, from the left 

 side, magnified, x point of attachment; front edge strongly ciliate or 

 pectinate. 



Fig. 10. The inner or anterior valve of the maternal pouch, from the same 

 side as the former, magnified, x point of attachment. 



Fig. 11. Mysis Fabricii from the Fauna Groenlandica. Fig. 12, tail of 

 the same. 



ERRATA. 



Page 8, line 4.. .. for fig. I, 6, read fig. 1. b. 



16, " 6.... from bottom, /or Lacerta r^arf Salamadra. 



CORK: 



Printed by .1. Hennessv, Frencli-cliurcli-strcet Press. 



