CATALOGUE OF BRITISH BIRDS. 
253 
Catarractes pomarina, Steph. Gen. ZooL xiii. p. 216, pi. 24 ; Macgill. 
Man. N. H. Ornith. ii. p. 256. 
Lestris striatus (Briss.), Eyton^ Cat. Brit. B. p. 51. 
Lestris sphseriuros, Brehm^ Vog. Dents, p. 718. 
Larus parasiticus, Wolf und Meyer, Taschenh.W. p. 490. 
Catarractes parasita, var. camtschatica, Pall. Zoogr. ii. p. 312. 
Stercorarius pomariuus, G. R, Gray, Gen. of B. iii. p. 653. 
Pomarine Skua, Selby, Brit. Orn. ii. p. 517; Eyton, Hist. R. Brit. 
B. p. 53, fig. ; Yarr. Brit. B. 2 edit. iii. p. 606, fig. 
Gould, B. of Eur. pi. 440. 
a. North Britain. Young. From Mr. Bullock’s collection. 
3. Stercorarius parasiticus. The Arctic Skua. 
Larus parasiticus, Linn. S. N. i. p. 226. 
Lestris parasitica, Temm. Man. dDrn. (1820) ii. p. 797; Boie, Isis 
(1822), p. 562 ; Brehm, Yog. Dents, p. 722 ; Keys. ^ Bl. Wir- 
helth. Enr. p. 95; Naum. Yog. Dents. (1840) x. p. 510, t. 272, 
273. 
Lestris Richardsoni, Swains. Fauna Bor. Amer. ii. p. 433, pi. 73 ; 
Temm. Man. d’ Orn. (1840) p. 499 ; Eyton, Cat. Brit. B. p. 51. 
Larus crepidatus, Gmel. S. N. i. p. 602. 
Lestris crepidatus, Temm. Man. d’Orn. 1815, p. 515. 
Catharacta coprotheres, Br 'unn. Orn. Bor. p. 38. 
Catharacta parasitica, Retz. Faun. Suec. p. 160; Br'unn. Orn. Bor. 
p. 37. 
Cataracta cepphus, Leach, Syst. Cat. Mam. ^ B. B. M. p. 39. 
Cataractes parasita, Pall. Zoogr. ii. p. 310. 
Catarractes parasiticus, Flem. Brit. An. p. 138. 
Stercorarius parasiticus, G. R. Gray, Gen. of B. iii. p. 653. 
Stercorarius cepphus, Steph. Gen. Zool. xiii. p. 211, pi. 
Lestris Boji, Brehm, Y'og. Deuts. p. 719. 
Lestris Schleepii, Brehm, Y'og. Deuts. p. 720. 
Lestris Benickii, Brehm, Yog. Deuts. p. 723, t. 37, f. 1. 
Cataractes Richardsonii, Macgill. Man. N. H. Ornith. ii. p. 267. 
Arctic Gull, Orn. Diet.; Bew. Brit. B. (1804) ii. p. 239 ; 
Penn. Brit. Zool. (1812) ii. p. 179, pi. 32. 
Arctic Skua, Selby, Brit, Orn. ii. p. 520. 
Black-toed Gull, Mont. Orn. Diet. ; Bew. Brit. B. (1804) ii. p. 
236, fig.; Penn. Brit. Zool. (1812) ii. p. 178, pi. 31, low. fig. 
Richardson’s Skua, Yarr. Brit. B. 2 edit. iii. p. 611, fig. 
PL enl. 762 ; Gould, B. of Eur. pi. 441. 
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