American hydroids ... - Nutting, Charles Cleveland, 1858 -1927 (Govt. Print. Off, 1900)

American hydroids ... - Nutting, Charles Cleveland, 1858 -1927 (Govt. Print. Off, 1900)

Memoirs of the Museum of Comparative Zoölogy, at Harvard College, Cambridge, Mass - Harvard University. Museum of Comparative Zoology. (The Museum, 1877)

Memoirs of the Museum of Comparative Zoölogy, at Harvard College, Cambridge, Mass - Harvard University. Museum of Comparative Zoology. (The Museum, 1877)

Report on the Hydroida : collected during the exploration of the Gulf Stream by L. F. de Pourtalès, assistant United States Coast Survey / by Geo. J. Allman, M.D., LL.D., ... - Allman, George James, 1812 -1898 (Welch, Bigelow, and Company, University Press, 1877)

Report on the Hydroida : collected during the exploration of the Gulf Stream by L. F. de Pourtalès, assistant United States Coast Survey / by Geo. J. Allman, M.D., LL.D., ... - Allman, George James, 1812 -1898 (Welch, Bigelow, and Company, University Press, 1877)

Report on the Hydroida collected during the exploration of the Gulf stream by L. F. de Pourtales, assistant U.S. Coast survey ... - Allman, George James, 1812 -1898 (Welch, Bigelow, and Company, University Press, 1877)

Report on the Hydroida collected during the exploration of the Gulf stream by L. F. de Pourtales, assistant U.S. Coast survey ... - Allman, George James, 1812 -1898 (Welch, Bigelow, and Company, University Press, 1877)

Report on the Hydroida collected during the exploration of the Gulf stream by L. F. de Pourtales, assistant U.S. Coast survey ... - Allman, George James, 1812 -1898 (Welch, Bigelow, and Company, University Press, 1877)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1916)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1921)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1925)