584 



OHIO BIRDS. 



271. Pelecamis erythrorhynchus Grtuel. 



American White Pelican. 640. 



272. Fhalacrocorax dilophus (Sw. & Rich.) Nntt. 



Double-orested Cormorant. 643. 



272(1 Fhalacrocorax dilophus floriicmus (And.) Ridgw. 

 Florida Cormorant. 643a. 



273. Bissa tridactyla (Linn, ) Bp, 



Kittiwake Gull. 658. 



274. Larus leucopterus Paber. 



White- winged Gull. 661. 



275. Larus marinus Linn. 



Great Black-backed GuU. 663. 



276. Larus argeniatms sniithsonianus Coues. 



American Herring Gull. 666o. 



277. Larus delawarensis Ord. 



King-billed Gull. 669. 



278. Larus pMladelpMw (Ord.) Gray. 



Bonaparte's Gull. 675. 



[279.] Xema saUnei (J. Sabine) Leach. 

 Sabine's Gull. 677. 



280. Sterna anglica Montag. 



Gall-billed Tern. 679. 



281. Sterna forsteri'Nvitt. 



Porster's Tern. 685. 



282. Sterna fluviatilis 'Sa.um. 



Common Tern. 



283. Sterna dougalU Montag. 



Roseate Tern. 688. 



284. Sterna antillarum (Less.) Coues. 



Least Tern. 690. 



285. Hydrochelidon lariformis surimameneis (Gm.) 



Ridgw. 

 Black Tern. 693. 



[286.] Stercorarius pomatorMnus (Temm.) Vieill. 

 Pomarine Jaeger. 697. 



287. Podiceps holbolU Reinh. 



American Red-necked Grebe, 731. 



288. Vytes auritus (Linn.) Ridgw. 



Horned Grebe. 732. 



289. Podilynhbus podiceps (Linn.) Lawr. 



Thick-billed Grebe. 735. 



290. Colymibus torquatus Brunn, 



Loon. 736. 



291. Colymius artious Linn. 



Black-throated Diver. 738. 



292 . Colymbus septentrionalis Linn. 



Red-throated Diver. 740. 



Oct. -, 61. 



April 1, 78; Licidng Reservoir. 



Sept. -, 61. 



March 25, 73 ; April 22, 75 ; March 

 30, 76; 2-30, 77; Nov. 4, 78. 



March 3, 77. 



April 21, 75 ; Nov. 4, 78. 



Oct. -, 62. 



May- 72; Oct. 19, 75. 



May -, 62. 



Aug. 4, 75 ; May 9, 77. 



April 30, 74 ; Nov. 30, 78. 



April 14, 73; March 25, 75; April 



5, 77. 



May 7, 77. 



