TO THE PRESIDENT AND RIEhlBERS I WOULD dedicate this little book,
if dedications were not considered out of fashion or vulgar. It is
of very little consequence to me, or the public, what this
prefatory page may be called and so long as it associates the
Quekett Club therewith, I am content. I have endeavoured to produce
a guide to the cabinet, which will be of service to the
microscopist of smallest pretensions and I claim to associate it
with a Club eminently popular in its constitution-to the
establishment of which I had the honour of being chiefly
instrumental-in the hope that it may aid in rendering the use of
the llIicroscope still more popular. If, as a father, I offer a
gift to my children, it is accompanied by the hope that it may be
bread, and not a stone, iv Preface. The number of objects
enumerated is so great, that only a brief space could be assigned
to each, except by increasing the size and price of the volume. It
has been my desire not to come into competition with any other book
for the Microscope, and I hope that I have succeeded. In selecting
objects for enumeration, I have endeavoured to confine myself to
those that are common and easily examined, excluding all sections,
injections, or preparations requiring an experienced hand. To all
who have aided me with drawings, suggestions, or assistance in any
form my thanks are due and, if these pages should induce but a few
readers to appeal to works of greater pretensions, our labour will
not have been altogether in vain. h4. C. COOKE. One Thozcsa zd
0bjct. s FOR THE M I C R O S C O P E . T HE classificatioil of
objects adopted in this work is the prinlary division into two
nearly equal sections, of which the firstcontains objects derived
from the Vegetable kii gdom, or Plant world, and the second of
objects obtained from the Animal kingdom. Naturally enough, the
first section subdivides itself into two groups, the one . .
including derivatives froin Phanerogamic or Flowering plants, and
the other Cryptogamic or Flowerless plants, such as ferns, mosses,
fungi, and water-weeds or aka. The first group, or those objects
whicll are derived from flowering plaots, such as trees, sl rubs, g
arden and wild flowers or weeds, contain the elementary t ssuesa nd
the organs of plants. A general and popular arrangement, under a
few groups, has been adopted in preference to a rigid scientific
sequence, which would have assumed the reader to be in possession
of considerable technical knowledge, an assun ptionb y no means
consistent with the design of the present work. In examining the
objects enumerated, we may be permitted to recommend the novice
alivays to commence the examillation with the lowest power of his
microscope, and then, where necessary, to proceed with the higher
powers. It is well never to commence the examination of an object 1
2 One Thlrsalm Objects with a power higher than one inch, and after
that to employ a half-inch, a two-thirds, or a quarter, if
desirable but the greatest satisfaction will always be derived from
a good practical use of low powers. The objects selected for this
work are common, easily obtained, readily mounted, and are all
within the compass of an instrument not costing more than five
guineas. SECTION I. VEGETABLE. I. CUTICLE O F LEEK AZZizt ltf orrz
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