Catalog of recent echinoid type specimens in the U.S. National Museum, Smithsonian Institution and the Museum of Comparative Zoology, Harvard University [by] Maureen E. Downey.
Bound with: The evolutionary history of the avian genus Chrysococcyx -- A checklist of the millipeds of Mexico and Central America -- Bibliography and index to scientific contributions of Carl J. Drake for the years 1914-1967 -- A revision of the genus Eucerceris Cresson (Hymenoptera: Sphecidae)
