PLATE 150. 



1. Pandarus sinuatus Say. 



2. Idotea metallica Bosc. 



3. Unciola balthica (Pallas). 



4. Unciola irrorata Say. 



5. Gammarus locusta Linnaeus. 



7. Talitrus megalophthalmus (Bate). 



8. Talitrus longicornis Say. 



9. Haustorius arenarius (Slabber). 



10. Lepas fasicularis Ellis and Solander. 



11. Balanus balanoides (Linnaeus). 



6. Carinogammarus mucronatus (Say). 12. Balanus eburneus Gould. 



