Transcriber's Note:

The twenty-five engraved illustrations of adult woodlice shown in Plates I to XXV at the end of the book have been prepared with thumbnails which preserve the same scale as the original book. Clicking on one of these thumbnail images, or on most other figures in the text, will display a larger image to the same scale.


Obvious typographical errors have been corrected. Inconsistent accents, punctuation, and hyphenation are as in the original text.

The "æ" ligature is used interchangeably with "ae" throughout.

Some taxonomic names may have changed since 1906.


For a complete list of corrections, please see the end of this document.


THE BRITISH WOODLICE.


This monograph first appeared in the "Essex Naturalist"
(Volume XIV., 1905-6) and has been republished by special
arrangement with the Council of the Essex Field Club.


THE BRITISH WOODLICE.

BEING

A MONOGRAPH OF THE TERRESTRIAL ISOPOD CRUSTACEA

OCCURRING IN THE BRITISH ISLANDS.

BY

WILFRED MARK WEBB, F.L.S.,

Lecturer on Biology and Nature Study to the Surrey County Council,
Honorary Secretary of the Selborne Society,
Sometime, Senior Assistant Lecturer on Biology to the Essex County Council,
and Editor of the Journal of Malacology,
Joint Author of
  "Eton Nature Study and Observational Lessons."

AND

CHARLES SILLEM.

With Twenty-Five Plates and Fifty-Nine Figures inthe Text.

LONDON:

DUCKWORTH & CO.,

3, HENRIETTA STREET, COVENT GARDEN.

1906.


PREFACE.

In Professor Sars' "Crustacea of Norway," quitea number of the British species of woodlice arefigured in detail and described in English, but fewcopies of this fine work are to be met with in ourcountry. The Rev. Canon Norman has from timeto time published notes on the British species in"The Annals and Magazine of Natural History;"these are, however, scattered, and contain but fewfigures, while other literature that exists is out ofdate. Under these circumstances, we have thoughtthat the following account and figures of all theBritish species would be useful to those anxious towork at the woodlice, and might also encourageothers to pay attention to the distribution and habitsof the interesting tribe to which they belong.

The writers would welcome any corrections oradditions in view of a second edition.

W.M.W.
C.S.

Odstock, Hanwell, December, 1905.


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