RED-THROATED DIVER. 



Le Plongeon Cat-marin. Bujf. Hist. Nat. Ois. 8. 256. 



Le petit Plongeon. Buff. Hist. Xat. Ois. 8. 254. pi. 21. Biiff'. 



PI. Enl. 992. 

 Speckled Diver, or Loon. Penn. Brit. Zocl. 2. 239. Penn. 



Arct. Zool. 2. 441. Lath. Gen. Syn. 6. 341. Wale. Syn. \. 



pi. 101. Leu. Brit. Birds, 6. pi. 228. Mont. Orn. Diet. 1. 



and Sup. Bew. Brit. Birds, 2. 189. and 191. 

 VARIETY. Colyrubus striatus. Gtnel. Syst. Nat. I. 586. Lath. 



Ind. Orn. 2. 802. 

 Colymbus borealis. Briss. Orn. 39- wo. 131. Lath. Ltd. Orn. 



2. 801. 

 Striped Diver. Pain. Arct. Zoo 1 .. 2. 442. Lath. Gen. Syn. 6. 



345. 



ABOUT two feet in length : beak black : irides 

 orange-brown : the sides of the head, and of the 

 neck, and the throat, are velvety ash or mouse co- 

 lour : the top of the head is spotted with black : the 

 occiput, the hinder and lower part of the neck, are 

 longitudinally rayed with black and white : on the 

 fore part of the neck is a long stripe of very bright 

 che3imt-red : the breast and under parts of the plu- 

 mage are pure white : the sides, the back, and the 

 rest of the upper parts of the plumage are blackish- 

 brown in the very old birds, but in those of the age 

 of three or four years they are slightly sprinkled with 

 small white spots : the legs are outwardly greenish- 

 black, and inwardly, with the membranes, of a greenish- 

 white. The young on leaving the nest are dusky- 

 brown above and whitish beneath. After their first 

 moult, the space between the eye and the beak, the 

 sides of the neck, the throat, and the rest of the 

 under parts of the plumage are of a perfect white : 

 the top of the head and the nape are dusky ash, 



