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Ostroumov (A. A.) Opuit izslyedovaniya Mshanok 

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Ostroumov (A. A.) Metamorfoz u Alcyonella I egho 

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Ostroumov (A. A.) K Istoril razvltiya yashcheritz 

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&c. Tom. XIX. [No. 3.] 8. 1888. 



Ostroumov (A. A.) Zoologhicheskaya ekskursiya na 

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Ostroumov (A. A.) Po povodu izslyedovaniya pr. 

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