Carpenter, William Benjamin, 1813-1885, Dallinger, W. H. (William Henry), 1842-1909 · Philadelphia, Blakiston · leaf 932
the memoirs there cited. LARVJE OF WOEMS «75 1858 to be a Gephyrean worm (Phoronis).1 An even more extra-ordinary departure from the ordinary type is presented by the larvawhich has received the name Pilidium (fig. 659), its shape beingthat of a helmet, the plume of which is replaced by a single… … Fig. GZ9.—Pilidium gyrans : A, young, showing at a the alimentarycanal, and at b the rudiment of the Nemertid; B, more advancedstage of the same; C, newly freed Nemertid. some species of the Xemertine worms, which belong to the divisionAnopla, a group in which there are no stylets to the…
Microscopy
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