V 



ri „ j o„ • „ Date of Issued in Pages in Final 



(jenera and Species. ,,. .. .„ , •?. , 



r publication. Part article. paging. 



140. Chen ....... 1880 80 1 407 



416. Chen albatus . . . . . ■ . . . 1873 19 3 409-411 



417. Chen hyperboreus . . . ... 1873 19 3 413-415 



141. Cygnus 1880 80 1 417 



418. Cygnus olor . 1880 77-79 9 419-427 



419. Cygnus immutabilis 1880 77-79 4 429-432 



420. Cygnus musicus 1880 77-79 8 433-440 



421. Cygnus bewicki 1880 77-79 8 441-448 



142. Tadorna 1880 80 1 449 



422. Tadorna cornuta 1878 67, 68 10 451-460 



423. Tadorna casarca 1875 41,42 5 461-465 



143. Anas 1880 80 1 467 



424. Anas boschas ........ 1873 17 9 469-477 



425. Anas angustirostris ...... 1872 13 5 479-483 



144. Chaulelasmus 1880 80 1 485 



426. Chaulelasmus streperus 1873 18 8 487-494 



145. Spatula 1880 80 1 495 



427. Spatula clypeata 1873 .21 8 497-504 



146. Querquedula 1880 80 1 505 



428. Querquedula crecca 1871 1 5 507-511 



429. Querquedula circia . . . . . . 1871 5 8 513-520 



430. Querquedula formosa ..... 1871 1 3 521-523 



431. Querquedula falcata 1871 2 4 525-528 



147. Dafila 1880 80 1 529 



432. Dafila acuta 1873 19 7 531-537 



148. Mareca 1880 80 1 539 



433. Mareca penelope 1876 47, 48 7 541-547 



149. Fuligula 1880 80 1 549 



434. Fuligula ferina 1878 67,68 8 551-558 



435. Fuligula rufina . . ' 1873 22 6 559-564 



436. Fuligula marila 1878 65,66 7 565-571 



437. Fuligula cristata 1879 73,74 6 573-578 



150. Ntroca 1880 80 1 579 



438. Nyroca ferruginea. ...... 1872 14 5 581-585 



