no.1758. ON MARINE COPEPODA IND CLADOCERA. 8HARPE. 407 



2. Family CKXTRoPAdl I). K Continued. 



18. E. americana Williams, Narragansett Bay, Rhode Island. 



12. Genus Metridia. 



19. M. lucens Boeck, Woods Hole and Plymouth Harbor. 



13. Genus Pseudodiaptomus. 



20. P. coronatus Williams, Woods Hole, July and August; SI pshead Pay, 



September; Narragansett Pay ( Williams). 



3. Family (A X 1 >A< 1 1 1 >.E 



14. Genus Candacia. 



21. C. armata Boeck, Gulf Stream south of Marthas Vineyard (Wheeler). 



4. Family PONTELLIDiE. 



15. Genus Labidocera. 



22. L. xstiva Wheeler, Wood- Hole at fisheries wharf (Wheeler). 



16. Genus Pontella. 



23. P. meadii Wheeler, Woods Hole, July (Wheeler). 



17. Genus Pontellopsis. 



24. P. regalis (Dana) Gulf Stream 70 miles south of Marthas Vineyard, July 



(Wheeler). 



18. Genus Anomalocera. 



25. A. patersoni Templeton, Gulf Stream 70 miles south of Marthas Vineyard 



(Wheeler); Woods Hole. 



19. Genus Acartia. 



26. A. tousa Dana, Plymouth Harbor, Woods Hole, Gulf Stream south of 



Marthas Vineyard (Wheeler); Narragansett Pay (Williams); Jamaica 

 Bay, New York. 



27. .4.cZaiimGiesbrecht, Narragansett Bay, all through the year (Williams). 



20. Genus Tortanus. 



28. T. discaudatus (Thompson and Scott) Gulf of St. Lawrence (Thompson 



and Scott); Vineyard Sound; Woods Hole. 



29. T. setacaudatus Williams, Narragansett Pay, winter (Williams). 



Tribe PODOPLEA. 



5. Family CYCLOPID.E. 



21. Genus Oithona. 



30. 0. plumifera Baird, Gulf Stream south of Marthas Vineyard, July 



(Wheeler). 



31. 0. similis Claus, Woods Hole at Fisheries wharf (Wheeler); Wickford, 



Rhode Island, summer (Williams). 



6. Family HABPA< Tl< 'IP/E. 



22. Genus Microsetella. 



32. M. norvegica Boeck, Narragansett Pay, March (Williams). 



23. Genus Setella. 



33. S. gracilis Dana, Gulf Stream south of Marthas Vineyard, .July (Wheeler). 



24. Genus Bra <J//n . 



34. B. limicola, coast of Gulf of Mexico i Herrick). 



25. Genus Clytemnestra. 



35. C. rostrata Brady, Gulf Stream south of Marthas Vineyard, July (Wheeler). 



26. Genus Miracia. 



36. M. efferenta Dana, Gulf Stream south of Marthas Vineyard, July i Wheeler). 



27. Genus Harpactieus. 



37. //. chelifer (Midler), < harlestown Pond, July (Williams); Sheepshead 



Bay, New York, September; Hunters Island, New York, September; 

 Little Harbor, Woods Hole, July. 



38. II. uniremis Kroyer, Narragansett Bay, February and April; ('harlestown 



Pond, July (Williams). 



