414 NATATORES. COLYMBUS. DIVER. 



RED-THROATED DIVER. 



COLYMBUS SEPTENTRIONALIS, Linn. 



PLATE LXXVIII. AND LXXVIII . 



Colymbus septentrionalis, Linn. Syst. 1. 220. Gmel Syst. 1. 586. sp. 3. 

 Lath. Ind. Orn. 2. 801. sp. 5. Sabine, Frank. Jour. Ap. 703 Shaw's 



Zool 12. 238 Flem. Br. Anim. 1. 133. No. 213 Faun. Amer. 



Boreal. 2. 476. No. 234. 



Mergus guttere rubro, Briss. Orn. 6. 111. 3. t. 1 1. f. 1. 



Le 1'longeon a Gorge rouge, Buff. Ois. 8. 264 Id. PL Enl. 308. 



Plongeon Cat-Marin, ou a Gorge rouge, Temm. Man. d'Ornith, 2. 916. 

 Lesson Man. d'Orn. 2. 359. 



Petit Plongeon, Cuv. Reg. Anim. 1. 509. 



Rothkehliger Taucher, Bechst. Naturg. Deut. 4. 609 Meyer, Tasschenb. 

 2. 453. Red-throated Diver, Penn. Br. Zool. 2. 526. No. 240. pi. 85 



Arct. Zool. 2. 443. Edwards' Glean, t. 97 Lath. Syn. 6. 344. 5. 



Lewin's Br. Birds, 6. pi, 230. Mont. Orn. Diet, and Sup. Bewick's 

 Br. Birds, ed. 1826, 2. p. t. 1 77 Shaw's Zool. 12. 238. Low's Faun. 

 Oread. 112. 



Cobble, Rennie's Mont. Orn. Diet. 94. 



/'Colymbus borealis, Lath. Ind. Orn. 2. 801. sp. 6. 

 Young after! Colymbus striatus, Gmel. Syst. 1. 586 Lath. Ind. Orn. 2. 802. sp. 9. 



moult. S Striped Diver, Arct. Zool. 2. 442 Lath. Syn. 6. 345. 6. 



( First Speckled Diver, Bewick's Br. Birds, ed. 1826, p. t. 179. 

 Colymbus stellatus, Gmel. Syst. 1. 587 Lath. Ind. Orn. 2. 800. sp. 3. 

 Mergus minor, Briss. Orn. 6. 108. 2. t. 10. 2. 

 Le Plongeon Cat-Marin, Buff. Ois. 8. 256. 

 Le Petit Plongeon, Buff. Ois, 8. 254. t. 21. Id. PI. Enl. 992. 

 Speckled Diver or Loon, Br. Zool. 2. 525. No. 239 Arct. Zool. 2. 441. 

 Lath. Syn. 6. 341 Lewin's Br. Birds, 6. pi. 228 Mont. Orn. Diet, 

 and Sup. 



Second Speckled Diver, Bewick's Br. Birds, ed. 1826. p. t. 180. 

 Grey Speckled Diver, Low's Faun. Oread. 111. 



PROVINCIAL Sprat Loon, Cobble, Rain Goose, Little Naak. 



Periodical THE apparent recurvation of the bill of this species, oc- 

 visitant. cas i O ned by the straitness of the upper mandible, and the 

 ascending angle of the lower one and its comparative slender- 

 ness and cylindrical shape, are characters of themselves suf- 

 ficient to distinguish it all times from the preceding one. 

 Others, however, of not less importance as regards specific dis- 

 tinction, are found in the colours and disposition of the 

 plumage, which, at all ages and seasons, is essentially diffe- 

 rent from that of the Black- throated Diver in its whole pro- 



5 



