Except for the spelling corrections listed below, the text of thisbook has been preserved as in the original, including inconsistentpunctuation, hyphenation and accents.
Lepidotera → Lepidoptera
coccoon → cocoon
subtances → substances
Bütchsli → Bütschli
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THE COCKROACH
STUDIES IN COMPARATIVE ANATOMY—III
THE STRUCTURE AND LIFE-HISTORYOFTHE COCKROACH(PERIPLANETA ORIENTALIS)An Introduction to the Study of Insects
STUDIES IN COMPARATIVE ANATOMY.
I.—THE SKULL OF THE CROCODILE. A Manual forStudents. By Professor L. C. Miall. 8vo, 2s. 6d.
II.—THE ANATOMY OF THE INDIAN ELEPHANT. ByProfessor L. C. Miall and F. Greenwood. 8vo, 5s.
III.—THE COCKROACH: An Introduction to the Study ofInsects. By Professor L. C. Miall and A. Denny. 8vo, 7s. 6d.
IV.—MEGALICHTHYS; A Ganoid Fish of the Coal Measures.By Professor L. C. Miall (In preparation).
PREFACE.
That the thorough study of concrete animal types is anecessary preliminary to good work in Zoology or ComparativeAnatomy will now be granted by all competent judges. At atime when these subjects, though much lectured upon, wererarely taught, Döllinger, of Würzburg, found out the rightway. He took young students, often singly, and made themmaster such animal types as came to hand, thereby teachingthem how to work for themselves, and fixing in their minds anucleus of real knowledge, around which more might crystallise.“What do you want lectures for? Bring any animal anddissect it here,” said he to Baer, then a young doctor longing