9 



156.] LARUS C'ANUS Linn. 



MoAV Gull. [B — , C — , R 671, C 779.] 



57. LARUS HEKRMANNI Cass. 



Heermahn's Gull. [B 666, C 551, R 672, C 781.'] 



58. LARUS ATRICILLA Linn. 



Liaug-liing- Gull. [B 667, C 554, R 673, C 786.] 



59. LARUS. FRANKLINII Sw. & Rich. 



Franklin's Gnll. [B 668, 669, C 555, R 674, C 787.] 



60. LARUS PHILADELPHIA (Ord). 



Bonaparte's Gull. [B 670, C 556, R 675, C 788.] 



^0.1 LARUS MINUTUS Paij.. 



Little Gull. [B — , C — , R — , C— .] 



■61. RHODOSTETHIA ROSEA (Macgil.). 



Ross's Gull. [B 678, C 557, R 676, C 789.] 



•62. XEMA SABIKII (Sab.). 



Sabine's Gull. [B 680, C 558, R 677, C 790.] 



s.- 



S3. GELOCHELIDON NILOTIC'A (Hasselq.). 



Gull-billed Tern. [B 681, C 560, R 679, C 792.] 



64. STERKA TSCHEGRAVA Lepech. 



Caspian Tern. [B 682, C 561, R 680, C 793.] 



■65. STERNA MAXIMA Bodd. 



Royal Tern. [B 683, C 562, R 681, C 794.] 



«6. STERNA ELEGANS Game. 



Elegant Tern. [B 684, C 563, R 682, C 795-] 



«7. STERNA SANDVICENSIS ACUFLAA'IDA (Cabot). 

 Cabot's Tern. [BJ685, C 564, R 683, C 796.] 



£68.] STERNA TRUDEAUI Aud. 



Trutleaii's Tern. [B 687, C 571, R 684, C 802.] 



69. STERNA FORSTERI Nutt 



Forster's Tern. [B 691, 686, C 566, R 685, C 79S.] 



70. STERNA HIRUNDO Linn. 



Common Tern. [B 689, C 565", R 686, C 797.] 



