Excerpt from A Text-Book of Histology, Including Microscopic Technic

The favorable reception accorded to the first American edition of Bohm and Davidoff's Text-book of Histology has justified the assumption expressed by the editor in his preface to the former edition, that an English translation of this work would meet with approval from American and English teachers and students.

In the preparation of this second American edition the editor has retained in general the same arrangement of the subject-matter as presented in the former edition. The revision of the text has given opportunity to take cognizance of the many contributions to our knowledge of the ultimate structure of tissues and organs and of their histogenesis which have appeared in recent years, and in doing so, many of the chapters, especially those dealing with general histology, have been subjected to extensive alterations. Recognition has also been given to the results obtained by the use of precise methods of plastic reproduction, methods which have been especially useful in giving clearer and more accurate conceptions of the form and relationship of anatomic structures, too small and too delicate to admit of disassociation by means of methods of maceration and teasing and too complicated to admit of full interpretation by means of sections. Maziarski's observations on the form and relationship of the ultimate divisions of the tubular systems of many of the more important glands have been embodied, also the results of numerous reconstructions made in the Histological Laboratory of the University of Michigan.

The text of this edition has been extended by some forty pages, and the illustrations have been increased from three hundred and fifty-one to three hundred and seventy-seven. Recognizing the fact that a text-book of Histology is a book which of necessity needs to be constantly used in the laboratory, and its size is, therefore, a matter of some importance, the editor seemed justified, in view of the fact that an increase in the number of text-pages seemed inevitable, to dispense in the present edition with the list of references to the literature (some twenty pages) which appeared in the former edition.

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