L I S T OF P L A T E S
IN VOLUME VI.
To face
page
1. BLACK TEKN. Hydrochdidon nigra (Linn.) . . 1
2 . "WHITE-WINGED BLACK TERN. Hydrochdidon leu-coptera
(Schinz) 3
3 . "WHISKERED TERN. Hydrochdidon hybrida (Pallas) 5
4 . GULL-BILLED TERN. Sterna anglica, Montagu . 9
5. CASPIAN TERN. Sterna caspia, Pallas . . . . 11
6. SANDWICH TERN. Sterna cantiaca, J. F . Gmelin . 13
7. ROSEATE TERN. Sterna dougalli, Montagu . . . 15
8. COMMON TERN. Sterna fluviutilis, Naum. . . . 17
9 . ARCTIC TERN. Sterna macrura, Naum. . . . 20
1 0 . LITTLE TERN. Sterna minuta, Linn 21
1 1 . SOOTY TERN. Sterna fuliginosa, J. F . Gmelin . 20
1 2 . LESSER SOOTY TERN. Sterna ancestheta, Scopoli . 28
1 3 . NODDY TERN. Anous stolidus (Linn.) . . . . 29
1 4 . SABINE'S GULL. Larus sabinii, J . Sabine . . . 32
1 5 . CUNEATE-TAILED GULL. Larus roseus, Macg. . 33
1 6 . Do. Do. Immature and winter 34
1 7 . BONAPARTE'S GULL. Larus philadelphicus (Orel) . 35
1 8 . LITTLE GULL. Larus minutus, Pall 37
1 9 . BLACK-HEADED GULL. Larus ridibundus, Linn. . 39
2 0 . MEDITERRANEAN BLACK-HEADED GULL. Larus
melanocephalus, Natterer 43