Subject ASC0003c8m
The Journal of the Quekett Microscopical Club.
v. 3 (1872-1874), (1872-1874)
MBLWHOI Library
BHL Page 7249725
Keywords
microscopic view development James Fullagar ovum short spines gelatinous envelope transparent triangular markings egg protruding tentacles Hydra vulgaris hatching ova Hydra