60 NOVITATBS ZOOIOGICAB XXV, 1918. 



345. Larus Graellsi A. E. Brehm = Larus fuscus affinis. 



Lams Graellsi A. E. Brehm, Naturh. Ze.it. 1857, p. 483 (Malaga). 



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

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

 show that Graellsi is L. f. afflnis. 



Sldr- Laroides canescens Brehm =Larus canus canus. 



Laroides canescens Brehm, Isis, 1830. p. 994 (ruymen nudum .') ; Handb. Naturg. Vog. DeutscM. p. 753 

 (1831 — " Sie lebtund brutet ganz einzeln an der pommersohen Kiiste, haufiger nordostlieh "). 



All specimens in the Brehm Collection are from Riigen. Type : <? ad., 

 Riigen, 12. vii. 1819. Schilling leg. 



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



Larus medius Brehm, Beitr. z. Vogelh. iii. p. 810 (1822 — " Hoher Norden," Island, Norwegen). 

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



" Der letztere Name muss, da ioh aus den naohfolgenden Mowen eine besondere Sippe maohe, 



wegf alien "). 



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



348. Laroides subleucoptems Brehm = Larus leucopterus. 



Laroides subleucopterus Brehm, Isis, 1826. p. 936 (no indication of locality) ; Handb. Naturg. Vog, 

 DeutscM. p. 746 (1831— Greenland). 



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



349. Larus caniceps Brehm = Larus melanoeepMlus. 

 Larus caniceps Brehm, Handb. Naturg. Vog. DeutscM. p. 758 (1831 — Adriatic Sea). 



Type : 3, moxilting 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 Brehm, Isis, 1830. p. 994 {riomen nudum !) ; Handb. Naturg. Voj. DeutscM. p. 761 

 (1831 — Denmark, on migration in Germany). 



Type : $ ad., Samsoe in the Kattegat, 12. vii. 1824. 



351. Rissa borealis Brehm = Bissa tridactyla tridactyla. 

 Biasa borealis Brehm, Vogelfang, p. 341 (1855 — Greenland, not rare in Europe). 



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



352. Lestris Schleepii Brehm = Stercorarius parasiticus. 

 Lestris ScMeepii Brehm, Lehrb, Naturg. eur. Vog. ii. p. 993 (1824— Greenland). 



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



