VI 



Date of Issued in Pa^es in Final 



paging. 



Genera and Species. publication. Part article. 



610. Alca troile 1877 03, 04 8 567-574 



611. Alca bruennichi 1877 59, 00 4 575-578 



225. Uria 1880 80 1 579 



612. Uria grylle 1877 63, 64 6 581-586 



613. Uriamandti 1877 63,64 2 587-588 



226. Mergulus 1880 80 1 589 



614. Mergulus alle 1877 59, 60 5 591-595 



227. Fratercula 1880 80 1 597 



615. Fratercula arctica 1877 63,64 8 599-606 



228. Colymbus 1880 80 1 607 



616. Colymbus glacialis 1880 77-79 6 609-614 



617. Colymbus arcticus 1876 55, 56 6 615-620 



618. Colymbus septentrionalis .... 1876 54 5 621-625 



229. Podiceps 1880 80 1 627 



619. Podiceps cristatus 1879 73,74 10 629-638 



620. Podiceps griseigena 1878 71,72 6 639-644 



621. Podiceps auritus 1879 75, 76 6 645-650 



622. Podiceps nigricollis 1878 71, 72 7 651-657 



623. Podiceps fluviatilis 1880 77-79 8 659-666 



