92 ROY L. MOODIE. 



L. Tower and Mr. R. E. Scammon I am under obligations for 

 the material which they have very kindly placed at my disposal. 



BIBLIOGRAPHY. 

 i. Schultze, 0. 



'gj Ueber Herstellung und Conservirung durchsichtiger Embryonen zum Studium 

 der Skeletbildung. Verhandlungen der Anatomiscben Gesellschaft, Bd. 13, 

 1.897. 



2. Mall, Franklin P. 



'06 On Ossification Centers in Human Embryos lesstban one hundred Days Old. 

 Amer. Jour, of Anat., Vol. V., No. 4, pp. 431-458 with 6 text figures and 7 

 tables. 1906. 



3. Hill, Eben C. 



'06 On the Schultze clearing method as used in the anatomical Laboratories of 

 the Johns Hopkins University. Bull, of the Johns Hopkins Hospital, Vol. 

 XVIL, No. 181, pp. 111-115, 1906. 



4. Siebenrock, Friedrich. 



'94 Das Skelet der Lacerta Simonyi Steind. und der Lacertiden Familie iiber- 

 haupt. Sitz. der Kaiserl. Akad. der Wissenschaften in Wien. Mathem.- 

 Naturw. Classe, Bd. CIIL, Abth. I., April, 1894. 



5. Gegenbaur, C. 



'71 Beitrage zur Kenntniss des Beckens der Vogel. Jenaische Zeitschrift. , Bd. 

 VI., 1871. 



6. Hoffman, C. K. 



'77-'78 Beitrage zur vergleichende Anatomie der Wirbelthiere — IX. Zur Mor- 

 phologie der Rippen. Niederl. Archiv fiir Zoologie, Bd. IV., 1877-1878. 



7. Siebenrock, Friederich. 



'92 Ueber Wirbel-Assimilation bei den Sauriern. Annalen der K.K. Hofsmu- 

 seums, Bd. VII., 1892. 



8. Cope, E. D. 



'92 The Osteology of the Lacertilia. Proc. of the Amer. Philos. Soc, Vol. XXX., 

 p. 207, May 10, 1892. 



9. Huxley, T. H. 



'92 A Manual of the Anatomy of the vertebrated Animals, p. 192, New York, 

 1892. 



10. Parker and Haswell. 



'97 Text-Book of Zoology, Vol. II., p. 295, London, 1897. 



Parker, J. Jeffery. 

 '84 A Course of Instruction in Zootomy, p. 134, London, 1884. 



Thompson, J. Arthur. 

 '99 Outlines of Zoology, pp. 570, Edinburgh and London, 1899. 



Pouchet, G., etBauregard, H. 



'89 Traite d'Osteologie Comparee, pp. 355, Paris, 1889. 



Zittel, Karl A. 



'87-'go Handbuch der Paleontologie. Abth. I., Bd. III., Vertebrata, p. 605. 

 Miinchen & Leipzig, 1887-1890. 



