C20 GAVLE. 



3022. Lanis delawarensis. 



Larus delawarensis, Ord. in Guthrie's Geogr. Ed. 2, ii. 

 p. 319: Coues, Birds of the N. W. p. 636: Saund. P. Z. S. 1878, 

 p. 176. 



a (Arthur Strickland) 1850. 



A North- American species. 



3023. Larus canus. 



Larus canus, Linn. Syst. Nat. i. p. 224: Saund. P. Z. S. 

 1878, p. 177: Dresser, B. Eur. viii. p. 381, pi. 600. 



a, 6 Britain (H. E. Strickland) 1830. c, d Aberdovey, 

 August (H. E. Strickland) 1833. 



3024. Larus marinus. 



Larus marinus, Linn. Syst. Nat. i. p. 225 : Saund. P. Z. S. 

 1878, p. 179: Dresser, B. Eur. viii. p. 427, pi. 604. 

 a Britain (N. C. Strickland) 1838. 



3025. Larus pacificus. 



Larus pacificus, Lath. Ind. Orn. Suppl. p. Ixviii.: Gould, B. 

 Austr. vii. pi. 19: Saund. P. Z. S. 1878, .p. 181. 

 a, I) (Arthur Strickland} 1850. 

 An Australian species. 



3026. Larus modestus. 



Larus modestus, Tsch. Arch. f. Naturg. 1843, i. p. 389; Faun. 

 Per. Av. p. 306, pi. 35: Saund. P. Z. S. 1878, p. 183. 

 a Chili (Capt. Brown) 1842. 



3027. Larus novse-hollandise. 



Larus novce-hollandice, Steph. in Shaw's Gen. Zool. xiii. pt. 1, 

 p. 196: Saund. P. Z. S. 1878, p. 185. 



Xema jamesoni, Gould, B. Austr. vii. pi. 20 (ex Wils.). 

 a New Holland (Arthur Strickland) 1850. 



3028. Larus atricilla. 



Larus atricilla, Linn. Syst. Nat. i. p. 225 : Saund. P. Z. S. 

 1878, p. 194. 



a (Arthur Strickland) 1840. b Jamaica (J. Gould) 1846. 

 : c, d, e (Arthur Strickland) 1850. f. 



