xlvi SYSTEMATIC INDRX. 



Family STERCORARIIP.F. (ronfinufJ). 



Genus Lcstris, lU 382 



crepidatus (i?(<>;/.-.s) 332 



Family LARID.E 333 



Genus Larus, L 333 



marinus, L 333 



glaucus, Brilnn 334 



argentatus, Gm 334 



pacificus, LatJi 335 



fuscus, L 335 



crassirostris, V. 335 



cainis, L 335 



jamesouii, iVils 336 



ridibundus, L 336 



Genus llissa, Ste2jh 336 



tridactyla (L.) 336 



brevirostris (BrucJi) 337 



Subfamily Steenin^ 337 



Genus Sterna, Briss 337 



fluviatilis, Naum 337 



arctica, T. 338 



maxima, Bodd 338 



bergii, Lklit 338 



caspia, Pan 338 



Genus Hydrochelidon, Boie 339 



nigra {L.) 339 



Genus Gygis, Wagl 339 



Candida {Forst.) 339 



Genus Anous, Steph 339 



stolidus (L.) 339 



Genus Rhynchops, L 340 



flavirostris, V. 340 



Family CHIONIDID^ 340 



Genus Chionis, Forst 340 



alba, L 340 



minor, Ilartl 340 



