60 NOVITATBS ZOOLOOICAX XXV. 1918. 



345. laias GraeUsi A. E. Brehm = Larus fuscus affinis. 



Lams GraeUsi A. E. Brehm, Naturh. Ztit. 1857, p. 483 (Malaga). 



Type: cJ ad., Malaga, 21.x. 1856. A. E. Brehm leg. 

 This specimen and others from Malaga, as well as the diagnosis, clearly 

 show that GraeUsi is L. f. affinis. 



346. Laroides canescens Brehm =Larus canus canus. 



Laroides canescens Brehm, his, 1830. p. 994 (nomen nudum .') ; Handb. Nattirg. Vog. DeutscM. p. 753 

 (1831 — " Sie lebtund briitet ganz einzeln an der pommerschen Ku^te, haufiger nordostUch "). 



AU specimens in the Brehm Collection are from Riigen. Type : S ad., 

 Riigen, 12. vii. 1819. Schilling leg. 



347. Laras medius, Larns minor Brehm = Larus glaucus. 



Larus mediUs Brehm, Beilr. z. Vogelk. iii. p. 810 (1822 — " Hoher Norden," Island, Norwegen). 

 Larus minor Brehm, Naturg. Vog. Deiitschl. p. 736 (1831 — New name for medius ! The author says : 



" Der letztere Name mu.ss, da icli aus den nachfulgenden Mowen eine besoudere Sippe mache, 



wegfallen "). 



Type : ? ad., Iceland, 30. xi. 1823. 



348. Laroides subleacopterus Brehm = Larus leucopterus. 



Laroides sublevcopterus Brelim, Isis, 1S2C. p. 936 (no indication of locality) : Handb. Naturg. Vog, 

 DeiUschl. p. 746 (1831— Greenland). 



Type : <J ad., Greenland, 3. ii. 1823. 



349. Larus caniceps Brehm = Larus melaiiocephalus. 



Larus caniceps Brehm, Handb. Naturg. Yog. Deutschl. p. 758 (1831— Adriatic Sea). 



Type : S, moulting from the juvenile to the first winter plumage, Adriatic 

 Sea, September 1829. Brehm had clearly not himself seen the adult plumage, 

 as he says it has the head lead-colour, which cannot be said of adult Larus 

 mdanocephalus . 



350. Xema pileatum Brehm = Larus ridibundus ridibundus. 



Xema pileatum Brelim, Isis, 1830. p. 1)94 (nomen nudum .') ; Hiindb. Naturg. Voj. Deutschl. p. 761 

 (1831 — Denmark, on migration in Germany). 



Type : ? ad., SaTiisoe in the Kattegat, 12. vii. 1824. 



351. Rissa borealis Brehm = Rissa tridnctyla Iridactyla. 

 Rissa borealis Brehm, Vogeljang, p. 341 (1855 — Greenland, not rare in Europe). 



Type : 5 nearly fully adult, Greenland, 4. ix. 1823. 



352. Lestris Schleepii Brehm = Stercorarius parasiticus. 



Lestris Schleepii Brehm, Lehrb. Natorg. eur. Yog. ii. p. 993 (1824— Greenland). 

 Type : <? (with paired $), Greenland, 11. vi. 1823. 



