THE ADELIE PENGUIN. 37 
No. 60, g, imm. skin. Jan. 19,1904. Cape Royds—shedding the down. 
No. 61, imm. skin. Feb. 12,1904. McMurdo Sound—See Birds, Pl. IX., fig. 4. 
No. 62, 9, ad. skin. Nov. 9,1902. Cape Crozier—Isabelline var. See Birds, Pl. IX., fig. 6. 
No. 68, 9, ad. skin. Jan. 22, 1902. do. do. 
No. 64, g, imm. skin. Jan. 19, 1904. Cape Royds—shedding the down. 
No. 65, g, imm. skin. Jan. 19,1904. Cape Royds—shedding the down. 
Nos. 170-181, adult skeletons. McMurdo Sound. 
Nos. 182-185, juv. in formaline. Jan. 9, 1902. Cape Adare. 
Spirit Specimens. 
No. 235, juv. Jan 9,1902. Cape Adare. 
No. 236, juv. Jan. 9, 1902. do. 
No. 237, g juv. Jan. 12,1904. Cape Royds. 
No. 238, 9, juv. Jan. 12, 1904. do. 
No. 239, 9, juv. Jan. 12, 1904. do. 
No. 240, juv. Jan. 11, 1904. do. 
Also a collection of eggs taken at Cape Adare, Jan. 9th, 1902; at Cape Royds, Jan., 1904; and at 
Cape Crozier, Jan., 1902, and Nov., 1902. 
The colouring of the soft parts is as follows :— 
Bill, when first hatched, blackish. A week old, black terminally, deep red at the gape and 
along the cutting edges. Immature of the first year, blackish. Adult, brick-red, the 
upper bill black terminally, and the mandible black along the cutting edge. 
Tris, brown, varying between reddish brown and greenish brown. 
Eyelids, black throughout the first year ; pure white in the adult at 14 months, and onwards. 
Feet, flesh red; dusky when first hatched, brightening in the first week or two. Imm. 
and adult, pale flesh pink above, black beneath (in some cases piebald beneath, see 
Fig. 6, Pl. X.). 
Claws, brown. 
List oF MATERIAL IN THE ‘Mornine’s’ COLLECTION. 
M1,ad.sk. Jan. 19,1902. 77°S., 167° E. 
M 2, ad. sk. do. 77° 16'S., 165° E. 
M 3, ad. sk. do. 77° 16’S., 167° 55' E. 
M 4, ad. sk. do. 67°S., 167° E. 
M 5, ad. sk. do. 77°S., 167° E. 
M 6, ad. sk. do. 77°8., 167° E. 
M7, ¢,imm. sk. Nov. 28,1902. 68°S., 175° E. 
M 8,imm.sk.  )\ 
M 35, 6, ad. sk. 
M 36, ad. sk. 
M 388, ad. sk. 
M 39, ad. sk. Ross Sea. 
M 42, g, ad. sk. 
M 51, ad, sk. 
M 52, 9, ad. sk. 
NovTE ON THE ILLUSTRATIONS. 
Birds—Plate IX. represents the changes in the head from hatching to adolescence. Fig. 1. 
Just hatched, showing the angular prominence used as egg-scale. Fig. 2. About a fort- 
night old. Fig. 3. Shedding the down. Fig. 4. Immature bird of third month, in the 
plumage carried for the first year. Fig. 5. Head of normal adult. Fig. 6. Head of 
isabelline variety, with occipital crest erected. 
Birds—Plate X. represents the changes in the feet of birds of corresponding age to the heads 
in the last Plate; Fig. 6 alone differs in representing a variation in which the sole was 
piebald instead of black. 
