BIBLIOGKAPHY.* 



GENERAL ZOOLOGY. 



Elements of Comparative Anatomy. By Carl Gegenbaur. London, 



1878. 



A Manual of the Anatomy of Vertebrated Animals. By T. II. Hux- 

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A Manual of the Anatomy of Invertebrated Animals. By T. H. 

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Forms of Animal Life. By George Rollestou. Oxford, 1888. 



Coues and Kingsley's Standard Natural History. 6 vols. Boston, 

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Handbuch der Zoologie. Band 1, Wirbelthiere, Mollusken und Mol- 

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Bronn's Classen und Ordnungen der Thierreichs. Protozoa, Radiata, 

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Wiedersheim. Elements of the Comparative Anatomy of Verte- 

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Parker. On Mammalian Descent. London, 1885. And his works on 

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The Anatomy of Vertebrates. By R. Owen. 3 vols. London, 1868. 



A Key to the Birds of North America. By Elliott Coues. Boston. 



Ridgway's Manual of North American Birds. 1887. 



The Birds of North America. 3 vols. By S. F. Baird, T. M. 

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Contributions to the Natural History of the United States. By L. 

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Mind in Nature. By H. J. Clark. New York, 1865. 



Manual of the Vertebrates of the Northern United States. By D. S. 

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Seaside Studies in Natural History. By E. C. Agassiz and Alexander 

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Introduction to Entomology. By W. Kirby and W. Spence. 4 vols. 

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* Works used in the preparation of this volume, with the titles of others indispen- 

 sable to the student. 



