610 BARNACLE GOOSE. 



It is known to bi'eed in Iceland, Spitzbergen, Greenland, &c. as well as in 

 Lapland, the northern parts of Russia, and northern Asia. It also in- 

 habits Hudson's Bay and other polar districts of the American continent. 

 During its equatorial or winter migration, it is abundant in Holland, 

 France, and parts of Germany. 



The eggs, which I describe from specimens deposited in the rich mu- 

 seum of the University of Edinburgh, measure two inches and seven- 

 eighths by one inch and seven-eighths, and are of a uniform yellowish- 

 cream colour. 



I have represented an adult male in spring, and a female of the pre- 

 ceding year. 



Anas erythropus, Linn. Syst. Nat. vol. i. p. 197 Lath. Ind. Ornith. vol. ii. p. 843. 



AusEE LEUCoPsis, Ch. Bonaparte, Synopsis of Birds of the United States, p. 37?. 

 Barnacle Goose, Kuttall, Manual, vol. ii. p. 355. 



Adult Male in Spring. Plate CCXCVI. Fig. 1. 



Bill much shorter than the head, higher than broad at the base, some- 

 what conical, slightly depressed towards the end, narrowed and rounded 

 at the tip. Upper mandible with the dorsal line sloping, the ridge broad 

 and flattened, the sides sloping, the edges soft and obtuse, the obKque 

 marginal lamellae short, transverse, about thirty on each side, besides mi- 

 nute anterior ones ; the unguis roundish, convex, striato-denticulate on 

 the inner edge. Nasal groove elliptical, commencing at the base and ex- 

 tending to the middle of the bill, parallel to the ridge, filled by the soft 

 membrane of the bill ; nostrils lateral, submedial, longitudinal, narrow- 

 elliptical, open, pervious. Lower mandible straight, with the angle very 

 long, rather wide, and rounded, the sides sloping rapidly upwards, the 

 edges soft and obtuse, with about thirty-eight distinct lamellae on an in- 

 flected plane. 



Head small, oblong, compressed. Neck rather long and slender. Body 

 full, slightly depressed. Feet short, stout, placed a little behind the cen- 

 tre of the body ; legs bare a little above the tibio-tarsal joint. Tarsus 

 short, a little compressed, covered all round with angular reticulated scales, 

 which are smaller behind. Hind toe extremely small, with a very narrow 

 membrane ; third toe longest, fourth a little shorter, but longer than se- 

 cond ; all the toes reticulated above at the base, but with narrow trans- 

 verse scutella towards the end ; the three anterior connected by a reticu- 



