File:Journal of morphology (1892) (14596335959).jpg

Identifier: journalofmorphol1892wist (find matches)
Title: Journal of morphology
Year: 1892 (1890s)
Authors: Wistar Institute of Anatomy and Biology
Subjects:
Publisher: Philadelphia, Wistar Institute of Anatomy and Biology
Contributing Library: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
Digitizing Sponsor: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library

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mterWeise sich in die Seitenwande des Kopfes verliert. Ihrdurchmesser betragt zu der Zeit ca. o. i mm. Etwas friihersieht man in der Flachenansicht nur einen vierseitigen Flecken 1 Untersuch. te. d. Erste Anlage dei Wirhelthierslcibes. Leipzig, 1868. AYERS. (Vol. VI. von grosserem Umfang als die spatere Grube, und die Gran-zen des Pleckens verlieren sich nach alien Seiten bin in ziem-lich unbestimmter Weise. Balfours observations do not gofurther than this, so that we must rely on the adult anatomy forour conclusions as to the probable course of development ofthe integral parts of the birds ear. The structure of the adultinternal ear of birds is so very similar to that of the reptiliantype that there can be little doubt of the essential agreementof the phases of its development with those of the reptilian eargiven above. Development of the Ear in Mammals other than Man. Krause, who has recently studied the development of themammalian internal ear, finds that in the Pig and Sheep, when
Text Appearing After Image:
(xmt Cut 21. — The ear of a veryyoung Rabbit embryo, 11 mm.long. Figure after Krause. a Anterior canal. ant Ampulla. d Ductus endolymphaticus. / Lagena. J Sacculus. u Utriculus.

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