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'61. Entwickelungsgeschichte der Wirbelthiere. Mit einem Vorwort von A. 



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'56. Ueber die Micropyle der Fischeier mid iiber einen bisher unbekannten, 



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 '82 c . Development of the Silver Gar (Belone longirostris), with Observations 



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 '83. On the Thread-bearing Eggs of the Silversides (Menidia). Bull. U. S. 



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Government Printing Office. 1884. 

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