VII. Embryologia. 
105 
Wolf, J., Bemerkungen über die Zunge des Grünspechtes und einiger mit ihr in 
Verbindung stehender Theile. — Voigfs neues Magaz. für Naturkunde 1800. 
II. 469. 
— Beobachtungen über den Augenbau der Vögel. — Voigfs Magaz. 1800. II. 113; 
1802. IV. 708. 
— Regeneration eines Schnabels. — Voigfs Magaz. 1803. V. 281. 
— Fortgesetzte Beobachtungen über den Kropf bei mehren Raubvögeln. — Voigfs 
Magaz. 1805. X. 158. 
— Fernere Beobachtungen über die Schleimdrüse der Spechtköpfe. — Voigfs 
Magaz. 1805. IX. 224. 
Wyman, J. , On the sternum of Cygnus buccinator. — Proceed. Boston Sog. nat. 
hist. 1849. I. 119. 
— On the wing of Anas acuta. — Proceed. Boston Soc. nat. hist. 1855. V. 169. 
— On the mechanism of the Tibiatarsal joint of the Ostrich. — Proceed. Boston 
Soc. nat. hist. 1864. IX. 220. 
Yarrell, W., On the smale horny appendage to the upper mandible in very young 
Chickens. — Zool. Journ. 1826. II. 433. 
— Some observations on the anatomy of the british Birds of Prey. — Zool. Journ. 
1827. III. 181. 
— Observations on the tracheae of Birds with descriptions and representations of 
several not hitherto figured. — Transact. Linn. Soc. 1827. XV. 371. 
— On the use of the xiphoid bone and its muscles in the Corvorant (Pelecanus 
carbo). — Zool. Journ. 1829. IV. 234. 
— On the organ of voice in Birds. — Transact. Linn. Soc. 1829. XVI. 305. 
— On the structure of the beak and its muscles in the Loxia curvirostris. — 
Zool. Journ. 1829. IV. 459. 
— On the anatomy of the Cereopsis novae Hollandiae. — Proceed. Zool. Soc. 
1831. I. 25. 
— On the trachea of the Crax Yarrellii Benn. — Proceed. Zool. Soc. 1831. 
1. 33. 
— On the sternotracheal muscles in the Crax mitu Cuv. — Proceed. Zool. Soc. 
1831. I. 59. 
— On the anatomy of the Tetrao urogallus. — Proceed. Zool. Soc. 1831. 
I. 73. 
— On the tracheae of the Penelope guan and the Anas magellanica. — Proceed. 
Zool. Soc. 1833. I. 3. 
— Description of the organ of voice in a new species of wild Swan (Cygnus 
buccinator Richds.). — Trarisact. Linn. Soc. 1834. XVII. 1. Tb. 1. 
— On the Trachea of a male Spurwinged Goose, Anser gambensis and Chena- 
lopex gambensis. — Proceed. Zool. Soc. 1841. IX. 70. 
— On mucor observed by Col. Montagu growing in the air-cells of a Bird. — 
Ann. magaz. nat. hist. 1842. IX. 131. 
VIL 
Embryologia. 
Afanasieff, Die Entwicklung der ersten Blutbahnen im Hühnerembryo. — Wiener 
Sitzungsberichte 1866. LUI. 560. 1 Tfl. 
Agassiz, L., On the structure of the foot in the embryo of Birds. — Proceed. 
Boston Soc. nat. hist. 1848. III. 42. 
Aldes, Th., Observationes in ovis factae, sciagraphia nutritionis puUi in ovo et 
foetus in uteri. Halae 1674. 12^. 
d'Alton, E., Beobachtungen über einige Hühnerembryonen, die sich durch unge- 
wöhnliche Krümmungen auszeichneten. — Zeit. Zoolog, Zootom. Palaeozool. 
1848. Nr. 15. S. 117. Tb. 2. 
