Ricerca nel testo integrale disponibileContributions to the natural history of the Acalephae of North America
(communicated to the Academy, May 8th and May 29th, 1849)Cambridge, 1849- Ricerca nel testo integrale disponibile
Contributions to the natural history of the Acalephae of North America /
1 : On the Naked-eyed Medusae of the Shores of Massachusetts, in their Perfect State of Development[Cambridge], 1849