70 ZOOLOGICAL LITERATURE. 
(2) . In ordinary feathers the seeondary axis predominates 
over the tertiary. 
(3) In optieal feathers the tertiary axis predominates over 
the seeondary. 
a. Mixed feathers present a mean condition. 
h. Enamelled feathers are optical in their pigmentation 
and ordinary in their development. 
Frauenfeld^ Georg von. Ueber Fai’benabandernngen von 
Vogeln in der Sammlnng des Herrn Jul. Finger. Ver- 
handl. k.-k. zool.-bot. Gesellsch. Wien^ 1866_, pp. 417-420. 
An enumeration of a considerable number of albino or albescent birds, with 
a few remarks upon them. 
Tschusi, Victor von. Beitrage zur Farbenveranderung der 
Vogel in Weiss und Schwarz. Verhandl. k.-k. zool.-bot. 
Gesellsch. Wien, 1866, pp. 223, 224. 
Some not very important additions to the instances recounted by Herr von 
Pelzeln wliich wo noticed last year (Zool. Kecord, ii. p. 88). 
NEOSSOLOGY. 
Bartlett, A. D. Notes on the Breeding of several Species of 
Birds in the Society's Gardens during the year 1865. Proc. 
Zool. Soc. 1866, pp. 76-79. 
The species noticed are JEiirypyga lielias and Pterocles alcJiata, the young of 
both being figured, besides Caloimis nicohariea, Guira piririgua, and This 
rubra. Thirteen other birds which hatched or laid eggs in the Gardens are 
also mentioned. 
Gould, J. The Birds of Great Britain. London : 1866. 
Part IX. of tliis wovlc contains figures of the young of Lohipas hyperburcus, 
and Part X. of those of Pubo maximus, Soolopax rusticohij and Alca torda. 
Marchand, Alb. Poussins des oiseaux d^Europe converts de 
duvet h la sortie de I’oeuf. Bev. et Mag. de Zool. 1866. 
The species represented during the past year are : — • 
Porphyrio hyacinthinus . 
. pi. 1 
Anas tadorna 
Pl. 
8 
F ulica cristata 
rutila 
9 
Phasianus colchicus 
. „ 3 
Tetrao scoticus . . . . 
IQ 
— ’ — pictus 
. n 4 
saliceti 
11 
Vauellus cristatus 
• 5 
Uria grylle 
12 
Totanus hypoleucus 
, „ 6 
V ultur fulvus 
16 
Perdix petrosa 
. „ 7 
Oygnus olor 
17 
In noticing the series for 1864 (Zool. Eecord, i. p. 62) we accidentally 
omitted to mention that figures of the nestling Tetrao bojiasia and Anas fusca 
are given in plates 9 and 10. No letterpress accompanies these illustra- 
tions. 
OOLOGY. 
Bartlett, A. D. Notes on the Breeding of several Species of 
Birds, &c. [See NEossobQGY,-^] 
