The Entomologist's Monthly Magazine, Volume 16

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Entomologist's Monthly Magazine Limited, 1880 - Entomology
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Page 268 - led to the association of groups of similar species into genera, has given rise to the combination of allied genera into higher groups, which are termed Families. It is obvious that the definition of a family, as a statement of the characters in which a certain number of genera agree, is another morphological abstraction, which stands in the
Page 235 - took the chair. The minutes of the last meeting having been read and confirmed, and the
Page 39 - wide, and so long, that the procession took two hours to pass. They " were principally of the kind known in Switzerland as ' Distelfalter,' which feed on ' nettles and thistles. They flew from two to ten
Page 68 - there is not a hair or a line, not a spot or a colour, for which there is
Page 98 - is about an inch and a quarter to an inch and a half long, is
Page 268 - relation to generic, as generic do to specific abstractions. Moreover, the definition of the family is a statement of the plan of all the genera comprised
Page 268 - the same principle as that which has led to the grouping of the northern forms into two genera. But the same convenience which has led to the association of groups of similar species into genera, has given rise to the combination of allied genera into higher groups, which are termed Families. It is obvious that the definition of a family, as a statement of the characters in which
Page 218 - It follows that the species, regarded as the sum of the morphological characters in question and nothing else, does not exist in nature ; but that it is an abstraction, obtained by separating the structural characters in which the actual existences
Page 269 - have in common all those structural characters, which are special to neither ; and carrying out the metaphorical nomenclature of the zoologist a stage further, we
Page 148 - ridges diverge more and more from the cremaster, carrying with them, on the sustainers, a part of the soft membrane. If a larva be carefully dissected at this stage, the forming membrane may be raised with the point of a needle, and stretched so as to show its connection with the rectal ligament ; or it may

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