412 NORTHERN ZOOLOGY. 



straight*. Plumage of the sides of the head and nape lengthened, forming a lateral ruff, 

 and giving a square form to the head. The coloured eye-band forms the upper margin of 

 the ruff. Scales on the posterior margin of the tarsus slightly rough. Nail of the middle 

 toe finely pectinated. The young want the horned eyeband and reddish-orange plumage, 

 having the throat and sides of the head below the eye, and a spot on the lores white ; fore- 

 part of the neck ash-coloured. 









Dimensions. 















Inch. 



Lin. 





Inch. 



Lin. 





Inch, 



Lin, 



igtb, total 



15 



6 



Length from nostrils to tip 







7 



Length of middle nail 



. 



4 



,, of wing 



. 5 



4 



,, of tarsus 



1 



8 



„ of outer toe 



2 







„ of bill above . 



. 1 







,, of middle toe . 



. ] 



10 



„ of its nail 



. 



3 



,, of bill to rictus 



. 1 



4 











-R. 





[177.] 4. Podiceps Carolinensis. (Lath.) Pied-bill Grebe. 



Colymbus Podiceps. Lin., Syst. 223. 



Pied-bill Grebe. Pem. Arct. Zool, ii., p. 497, No. 418. 



Podiceps Carolinensis (Pied-bill Grebe). Sab., Frankl. Journ., p. 692. Bonap., Syn., No. 367- 



Peesheesheet-seekeep. Cree Indians. 



Mr. Sabine's description of a specimen obtained on Sir John Franklin's first 

 expedition is given below, no specimens of this bird having- been got on the last 

 expedition. 



DESCRIPTION 



Of a specimen killed at Great Slave Lake, May, 1822. 



Colour. — Upper jjlumage dark-brown ; the secondaries tipped with white. A conspi- 

 cuous black patch on the chin. Throat and cheeks light-brown ; a patch on the breast 

 dotted with black and white ; the belly mottled with light-brown and white. Bill with a 

 broad black band round its middle. It is short, strong, and much compressed towards the 

 point ; upper mandible curved at the tip. Length, including the legs and feet, seventeen 

 inches. Length of bill above 9 lines. 



[178.] 1. Sterna hirundo. (Linn.) Greater Tern. 



Genus, Sterna, Linn. 



Great Tern. Pens. Arct. Zool., ii., p. 524, No. 448. 



Sterna hirundo. Lath. Ind., ii., p. 807 ; sp. 15. 



Great Tern (Sterna hirundo). Wils., vii., p. 76, pi. 60, f. 1. 



Hirondelle-de-mer Pierre garin (Sterna hirundo). Temm., ii , p. 740. 



Sterna hirundo. Bonap. Syn., No. 286. 



This bird breeds in the marshes from Pennsylvania up to the 57th parallel of 



* In Podiceps auritus, the upper mandible is straight, and the gonys of the lower one slopes up\vards to the point. — R. 



