102 
ZOOLOGICAL LITERATURE. 
their confused nomenclature, thus forming a very excellent mo- 
nograph. P. moliruB is figured. 
Pelecanus onocrotalus, its occurrence in the Pas de Calais. J. II. Gurney, 
Ihis, 18G9, p. 4G3. 
• Pelecanus trachjrhynclius yearly sheds the bony process of its maxilla. P. 
Ridgway & S. F. Baird, torn. cit. p. 350. 
Graculus bicristatus (Pall.) occurs at St. George’s Island. W. H. Dali, 
Trans. Chicago Ac. Sc. i. p. 303. American specimen described and figured. 
S. F. Baird, tom. cit. pp. 321, 322, pi. xxxiii. 
Graculus cincinnatus and G. perspicillatus are figured. D. G. Elliot, B. N. 
Am. pts. xiv., XV. 
Plotus anldnga^ its brain commonly infested by a species of Eustronyylus. 
J. Wyman, Proc. Boston Soc. N. II. I8G83 Am. Nat. iii. pp. 41, 42. 
COLYMBID^. 
Colymhus septentrionalis, C. gJacialis, and C. arcticuSy notes on. H. Blake- 
Khox, Zool. S. S. pp. 1499-1510. 
SPHENISCIDiE. 
Aptenodytes chrysocomcy the destruction of it in the Crozette Islands. E. 
L. Layard, Ibis, 18G9, p. 378. 
Spheniscus undinus occurs on the New-Zealaud coasts. W. Bullor, Trans. 
& Proc. New Zeal. Inst. i. p. 112. 
PoDICIPIDiE. 
Podiceps cristatusy examples from the Lake of Geneva have more and 
whiter down than those from the other Swiss lakes. F. A. Forel, R. Z. 
18G9, pp. 334, 335 (extract from Bull. Soc. Vaudoise Sc. Nat. x. no. 01, 
18G9). 
Podiceps hectori (Zool. Rec. iii. p. 116) not distinct from P. australis, 
Gould (i. e. P. cristatus). O. Finsch, Ibis, 18G9, pp. 380, 381. 
Podiceps affinis (Zool. Rec. iii. p. 115, v. p. Ill), its head figured. D. G. 
Elliot, B. N. Am. Intr. p. IG. 
Centropelma is a new genus proposed for Podiceps microptems (Zool. Rec. v. 
p. Ill), which is figured, and woodcuts of the head and tarsus added, but is 
not characterized formally. A synonymatic and distributional list of the 
other four South- American species of the family is given. P. L. Sclater & 
0. Salvin, Ex. Orn. pp. 189, 190, pi. xcv. 
ALCIDiE. 
Alca impenniSy notes on [several of the statements incorrect]. J. Orton, 
Am. Nat. iii. pp. 539-542, fig. Note on its eggs [the number of speci- 
mens existing put at 30, which is manifestly incorrect {cf. Zool. Rec. v. 
p. 112 J Ibis, 1870, pp. 25G-2G1]. E. Baldamus, tom. cit. p. 550. Suggested 
origin of the name “ Penguin.” A. Newton, Ann. & Mag. N. II. 4th ser. iv. 
p. 131^. Miscellaneous notes on. J. II. Gurney, Jun., Zool. S. S. pp. 1G03, 
1G39-1G43, 1G84 [several of the statements incorrect]. G. 1). Rowley, tom. 
cit. p. 1645. On its former occurrence in the Newfoundland seas. II. Reeks, 
