Systematic Table of North American Birds. 



A £ U - COMMON NAME. SCIENTIFIC NAME. Page 



27 Black Guillemot Cepphus grylle 48 



28 Mandt Guillemot " mandtii 48 



29 Pigeon Guillemot " columba . . 48 



30 Murre Una troile 48 



30a California Murre " " californica 48 



31 Brunnich Murre " lomvia 48 



31a Pallas Murre " " arra 48 



32 Razor-billed Auk Alca torda 48 



33 Great Auk Plautus impennis 48 



34 Dovekie Alle alle 46 



Order LONGIPENNES. Long-winged Swimmers. 



Family STERCORARIID^E. SKUAS AND JAEGERS. 



35 Skua Megalestris skua 51 



36 Pomarine Jaeger Stercorarius pomarinus 51 



37 Parasitic Jaeger " parasiticus 51 



38 Long-tailed Jaeger " longicaudus 51 



Family LARID^E. GULLS AND TERNS. 



39 Ivory Gull Pagophila alba 52 



40 Kittiwake Rissa tridactyla 52 



40a Pacific Kittiwake " " pollicaris 52 



41 Red-legged Kittiwake t( brevirostris 52 



42 Glaucous Gull Larus glaucus 53 



42.1 Point Barrow Gull " barrovianus 53 



43 Iceland Gull " leucopterus 53 



44 Glaucous-winged Gull " glaucescens 53 



45 Kumlien Gull " kumlieni 53 



46 Nelson Gull " nelsoni 53 



47 Great Black-backed Gull ... . " marinus. 54 



48 Slaty-backed Gull . ... " schistisagus 54 



49 Western Gull " occidentalis 54 



[50] Siberian Gull " affinis A.V. 



51 Herring Gull (l argentatus 55 



52 Vega Gull " vegas 55 



53 California Gull " californicus 55 



54 Ring-billed Gull " delawarensis 52 



55 Short-billed Gull " brachyrhynchus 52 



[56] Mew Gull " canus A.V. 



57 Heermann Gull " heermanni 54 



58 Laughing Gull " atricilla 56 



59 Franklin Gull " franklinii 56 



60 Bonaparte Gull i( Philadelphia 56 



258 



