Contributions to the natural history of the Acalephae of North America
1850
Extracted from Memoirs of the American Academy of Arts and Sciences, Boston Pages *313-316* inserted after p. 312 pt. I. On the naked-eyed Medusae of the shores of Massachusetts, in their perfect state of development.--pt. II. On the beroid Medusae of the shores of Massachusetts, in their perfect state of development extracted picklist
