The micrographic dictionary; a guide to the examination and investigation of the structure and nature of microscopic objects, by J. W. Griffith and Arthur Henfrey.

2, Plates

Taxonomic guide to the polychaetes of the northern Gulf of Mexico / prepared by Joan M. Uebelacker and Paul G. Johnson, editors ; prepared under MMS contract 14-12-001-29091 for Minerals Management Service, U.S. Dept. of the Interior.

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