Subject ASC00008sw
Magazine of natural history and journal of zoology, botany, mineralogy, geology and meteorology.
v. 7 (1834), Page 348 (1834)
Natural History Museum Library, London
BHL Page 2351798
Keywords
snail shell ventral surface snail shell Shell Hornsnail back ventral surface progression natural size Shell Mussel #zoology animal spider egg case Pleurobranchus Plumula sea slug Slug mollusc British ventral Bulla plumula Plumula