Journal volume
1891. Proceedings of the General Meetings for Scientific Business of the Zoological Society of London for the year 1891. Proc. Zool. Soc. London: [i]-xx, [1]-4, 4 parts, [1]-4, [1]-4, [1]-4.
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Journal issues
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1892.
Part IV. Containing Papers read in November and December, 1 Apr 1892: 464-703.