496 PAUL E. LINEBACK 



LITERATURE CITED 



Bonnet, R. 1891 Gruridriss der Entwickelungsgeschichte der Haussauge- 

 thiere. 272 pp. P. Parey. Berlin. 



Elze, C. 1907 Beschreibung eines menschlichen Embryo von zirka 7 mm. 

 grosster Lange. Anal. Hefte, Abth. I, Bd. 35, pp. 409-492. 



His, W. 1885 Anatomie menschlicher Embryonen. III. (Eingeweiderohr, 

 pp. 12-25). F. Vogel, Leipzig. 



Hunter, J. 1861 Essays and observations on natural history (etc.). Posthu- 

 mous papers, edited by R. Owen., vol. 2, (pp. 120-121 cited.) Van 

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Lewis, F. T. 1903 The gross anatomy of a r2-mm. pig. Am. JoUr. Anat., 

 vol. 2, pp. 211-225. 



1912 The earlj^ development of the entodermal tract. Human Em- 

 bryology, ed. by F. Keibel and F. P. Mall, vol. 2, pp. 295-334. Lip- 

 pincott, Philadelphia. 



MacCallum, J. B. 1901 Development of the pig's intestine. Johns Hopkins 

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Mall, F. P. 1897 Ueber die Entwickelung des menschlichen Darmes. Arch, 

 f. Anat. u. Entw., Jahrg. 1897, Suppl.-Bd., pp. 403-434. 



Martin, P. 1889 Die Entwickelung des Wiederkauermagens und -Darmes. 

 Schweizer-Arch. f. Thierheilkunde, Bd. 31, pp. 173-214. 

 1891 Die Entwicklung des Wiederkauermagens und -Darmes. Fest- 

 schr. f. Nageli u. Kolliker, pp. 59-80. 



Owen, R. 1868 On the anatotoy of vertebrates, vol. 3 (p. 474 cited). Long- 

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SissoN, S. 1914 The anatomy of the domestic animals. 2d. edition, (pp. 483- 

 488 cited). Saunders, Philadelphia. 



