tabulated
statements, formulated "tips," and lists of names, in which so many
students, in spite of advice, waste their youth is, I sincerely hope, as
impossible with this book as it is useless for the purposes of a
London candidate. On the other hand, our chief endeavour has been
to render the matter of the book clear, connected, progressive, and
easily assimilable. In the second part Plants, Unicellular Organisms,
and Invertebrata will be dealt with, in a wider and less detailed view
of the entire biological province.

{Lines from First Edition only.}
-In this volume, we study four organisms, and chiefly in their
relation to each other; in the next, we shall study a number of
organisms largely in relation to their environment. In this part
our key note is the evidence of inheritance; in our second part
it will be of adaptation to circumstances.-

This book will speedily, under the scrutiny of the critical reader,
reveal abundant weakness. For these the author claims the full
credit. For whatever merit it may posses, he must however,
acknowledge his profound indebtedness to his former teacher,
Professor Howes. Not only has the writer enjoyed in the past the
privilege of Professor Howes' instruction and example, but he has,
during the preparation of this work, received the readiest help,
advise, and encouragement from him-- assistance as generous as it
was unmerited, and as unaffected as it was valuable.

{Lines from Second Edition only.}
[The publication of a second and revised edition of this Part affords
the author an opportunity of expressing his sense of the general
kindliness of his reviewers, and the help they have him in improving
this maiden effort. To no one is there vouchsafed such a facility in
the discovery of errors in a book as to its author, so soon as it has
passed beyond his power of correction. Hence the general tone of
encouragement (and in some cases the decided approval) of the
members of this termination to a period of considerable remorse and
apprehension.]

I have been able through their counsel, and the experience I have had
while using this book in teaching, to correct several printer's errors
and to alter various ambiguous or misleading expressions, as well as
to bring the book up to date again in one or two particulars.

My thanks are particularly due to my friend Miss Robbins, who has
very kindly redrawn the occasionally rather blottes