AVES. 115 
Plotus melanogaster is the Madagascar species (Ibis, 1863, p. 461). H. 
Schlegel, P. Z. S. 1866, p. 426. 
Plotus novcB-hollandice, head figured. Piggies, Orn. Austral, part vi, 
COLYMBID^. 
Colymbus adamsi is figured. D. G. Elliot, B. N. Am. part i. 
PODICIPIDAS. 
Podiceps hectori is a new species from Otago, New Zealand, readily dis- 
tinguished from P. australis by the total absence of white on the scapulars 
and secondaries. W. Buller, Ess. Om. N. Zeal. p. 19. 
Colymbus [sc. Podiceps] cristaUis, description of a nearly white specimen. 
C. Gloger, J. f. 0. 1866, pp. 286, 286. 
Podiceps affinis is a supposed new species, from North America, very like 
P, cooperi in the form of the hill, but differing from it in colour, being blackish 
above, the upper part of the cheeks ashy-grey, and the lower, as also the 
throat, white. T. Salvadori, Atti Soc. Ital. Sc. Nat. viii. 1866. 
Alcid^e. 
Newton, Alfred. Auszug aus Herrn J. Wolley^s Unter- 
suchungen in Island betrefiPend den Geier- Vogel oder gros- 
sen Aik. Journ. fiir Orn. 1866, pp. 310-338. 
A German translation of a paper which appeared in ^ The Ibis ’ for 1861 
(pp. 374-399). , - 
Alca impennis: a German translation of the paper from the ^Natural 
History Beview ’ (1865, pp. 467-488) noticed by us last year (Zool. Record, 
ii. p. 137) is given. .1. f. 0. 1866, pp. 894-419. Extracts from old authors 
mentioning it. S. F. Baird, Ibis, 1866, pp. 223*, 224. Discovery of a nearly 
perfect skeleton in the Museum of the College of Surgeons. W. II. Flower, 
loc, cit. Note on specimens. Vouga, Bull. Soc. Orn. Suisse, 1866, 
pp. 113, 114. Notes on its supposed occurrence on the Norwegian coast 
of late years. R. Collett, J. f. O. 1866, pp. 70, 71. Supposed to have bred 
on Lundy Island in 1838 or 1839. M. A. Mathew, Zoologist, Si S. 
pp. 100, 101. 
Alca torda with nestling is figured. J. Gould, B. Grt. Br. part x. 
TJria cramri is a supposed new species from the Gulf of California, about 
the size of Meryulus oUc, above dusky -black, the back and wings somewhat 
tinged with grey, the bill very long, awl-shaped, and, with the back of the 
tarsi (which are greenish-yellow in front), black. T. Salvadori, Atti Soc. 
Ital. Sc. Nat. viii. 1866. 
Ombria psittacida is figm’ed. D. G. Elliot, B. N. Am. part i. 
STKUTHIONES. 
Struthionid^. 
Parker, W. K. On tlie Structure and Development of the 
Skull in the Ostrich Tribe. Phil. Trans. 1866, pp. 113- 
1 83, pis. vii.-xv. (See under Anatomy and Physiology.'’^) 
Plica americana, observations on it in confinement. M. Schmidt, Zoolog. 
Garten, 1866, pp. 8-14 ] J. L. Fitzinger, op. cit. pp. 131-133, 
I 2 
