Carpenter, William Benjamin, 1813-1885, Dallinger, W. H. (William Henry), 1842-1909 · Philadelphia, Blakiston · leaf 907
Fig. 643.—Vertical sections of shell of Wald-heimia australis, showing at A the canalsopening by large trumpet-shaped orificeson the outer surface, and contracting atd, d into narrow tubes ; and showing at Ba bifurcation of the canals. SHELLS OF BRACHIOPODA 85I be considered to be the animals…
Microscopy
Internet Archive · Wellesley College Library · Public Domain Mark 1.0. Free to use for anything.
