Gasteropoda

Gasteropoda in the older rocks as compared with that of

Essays 2007

Gasteropoda, and Lamellibranchiata, be only modifications by excess or defect of the parts of a definite archetype, then, I think, it follows as a necessary consequence, that no anamorphosis takes place in this group.

Thomas Henry Huxley; A Sketch Of His Life And Work 1904

Gasteropoda, and Lamellibranchiata, be only modifications by excess or defect of the parts of a definite archetype, then, I think, it follows as a necessary consequence, that no anamorphosis takes place in this group.

Thomas Henry Huxley A Sketch Of His Life And Work Mitchell, P Chalmers 1900

I want to get done for the Mollusca what Savigny did for the Articulata, namely to show how they all -- Cephalopoda, Gasteropoda, Pteropoda, Heteropoda, etc. -- are organised in each.

Life and Letters of Thomas Henry Huxley — Volume 1 Thomas Henry Huxley 1860

Snails (_Gasteropoda_) may be roughly divided into three classes, according to the shape of their shells: (1) Flat-shaped coils (type

Amateur Fish Culture Charles Edward Walker