Der Stützknochen, Os nariale, in der Nasenhöhle bei den Gürteltieren. 489 
1918. 
1854. 
1884. 
1913. 
1913. 
1916. 
1921. 
1879. 
1918. 
1901. 
SoLLas, W. J. The Skull of Ichthyosaurus studied in serial sections. 
Philosophical Transactions of the Royal Society of London. Ser. B. 
Vol. 208. p. 102, fig.2 and 4. London 1918. 
Stannıus, H. Handbuch der Anatomie der Wirbeltiere. 2. Aufl. Berlin 
1854 — 56. 
Surrton, BLANT J. Observations on the Parasphenoid, the Vomer, and 
the Palato-pterygoid Arcade. Proceedings of the Zoological Society 
of London, 1884. p. 566—573. Plate 53 and 54. London 1884. 
Warson, M.S. Micropholis Stowi Huxley, a temnospondylous Amphibian 
from South Africa. The Geological Magazine. New Ser. Decade V. 
Vol.X. p. 341. London 1913. 
Warson, D. M.S. On some Features of the Structure of the Thero- 
cephalian skull. Annals and Magazine of Natural History. Vol. 11. 
p. 65—79. London 1913. 
—— The Monotreme Skull. A .Contribution to the Mammalian Morpho- 
genesis. Philosoph. Transactions of the Royal Society of London. 
Ser. B. Vol. 207. p. 311—374. Plat. 23—25. London 1916. 
—— The Bases of Classifieation of the Theriodontia. Proceedings ot 
the Zoological Society of London 1921, p. 35—98, Fig. 1—29. London 
N 12 Mala 
WiIEDERSHEIM, ROBERT. Die Anatomie der Gymnophionen. Jena 1879. 
WırLıston, S. W. The Osteology of Some American Vertebrates III. 
Contributions from Walker Museum. Vol. II, n.4. Chicago 1918. 
Wırson, J. T. On the skeleton of the snout of the mammary foetus of 
Monotremes. Proceedings of the Linnean Society of New South Wales. 
1900, Part. 1. : 1901, Part. 4. 
