Somites: segments of the embryonic body.
Hyposoma: the under or belly-half of the embryonic body.

TELEOLOGY: the belief in design and purpose (telos) in nature.

TELOLECITHAL: see LECITH-.

UMBILICAL: pertaining to the navel (umbilicus).

VITELLINE: pertaining to the yelk (vitellus).

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PREFACE.

[BY JOSEPH MCCABE.]

The work which we now place within the reach of every reader of the
English tongue is one of the finest productions of its distinguished
author. The first edition appeared in 1874. At that time the
conviction of man's natural evolution was even less advanced in
Germany than in England, and the work raised a storm of controversy.
Theologians--forgetting the commonest facts of our individual
development--spoke with the most profound disdain of the theory that a
Luther or a Goethe could be the outcome of development from a tiny
speck of protoplasm. The work, one of the most distinguished of them
said, was "a fleck of shame on the escutcheon of Germany." To-day its
conclusion is accepted by influential clerics, such as the Dean of