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Semon, E,., Die indifferente Anlage der Keimdrüsen 

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Shoke, Th. W.. and Pickbking, J. W., The Pro- 

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- — On a Collection of Birds' Sterna and Skulls, 

 coll. by Dr. Thom. H. Streets U. S. Navy. 

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— Notes on the Visceral Anatomy of certain 

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— Specific Variations in the Skeletons of Ver- 

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 —320. 



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 other Notes. Ibidem p. 330—332. 



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Journ. Anat. Phys. XXm. 1888—89. p. 1—39, 

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 and October 1889. 



— Studies of the Macrochii'es, Morphological and 

 otherwise, with the View of indicating their 

 Relationships and defining their several Position 

 in the System. Journ. Linn. Soc. (Zool.) London 

 XX. p. 299-394. 1889. 



— Correction to his Paper on the Classif. of the 

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— Contributions to the Comparative Osteology of 

 the PamUies of the North American Passeres. 

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— Notes on the Anatomy of Speotyto cunicularia. 

 Ibidem p. 115—125. 



— On the Position of Chamaea in the Sj'stem. 

 Ibidem p. 465—502. 



— Note on the Anserine Affinities of the Plam- 

 mingoes. Science. 1889. p. 224—225. 



— Observations upon the Osteology of the North 

 American Anseres. Smiths. Inst. U. St. Nat. 

 Mus. X. p. 215—251. Washington 1889. 



— Observations upon the Osteology of the Orders 

 Tubinares and Steganopodes. Smithson. Inst. 

 U. St. Nat. Mus. XL p. 253—315. Washington 

 1889. 



— The Mj-ologj^ of the Raven (Corvus corax si- 

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— Notes upon Coccothraustes vespertina. Auk 

 (N. S.) Vn. p. 93-95. 1890. 



— A Skeleton of the Ivory-bill. Forest, and Stream. 

 New York XXXV. p. 431 f 1890. 



— The Use to which the Claws on the PoUices of 

 certain Young Birds are put. Ibis (6) p. 128 — 

 129. London 1890. 



— Progress of Avian Anatomy for 1888 — 1889. 

 Journ. Comp. Med. Vet. Arch. V. 1890. p. 22 

 —26. 



— On the Affinities of Hesperornis. Nature XLIQ. 

 p. 176. 1890. 



SiNGEK, J. und MtJNZEn, E.. Beiträge zur Kenntniss 



der Sehnervenkreuzung. Denkschr. Akad. Wien. 



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Staderisi , R. Sopra la distribuzione dei nervi 

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