The Transactions of the Entomological Society of London, 57. köide

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Page 433 - Forewing with veins 3 and 5 from near angle of cell; 6 from upper angle; 9 from 10 anastomosing with 8 to form the areole; 11 from cell. Hindwing with veins 3, 4 from angle of cell; 5 obsolescent from below middle of discocellulars ; 6, 7 from upper angle; 8 anastomosing with the cell near base only.
Page 356 - I observed a pair of birds that were bringing butterflies and dragon flies to their young, and although the Heliconii swarmed in the neighbourhood and are of weak flight so as to be easily caught, the birds never brought one to their nest. I had a still better means of testing both these and other insects that are mimicked in Nicaragua. The tame white-faced monkey I have already mentioned was extremely fond of insects, and would...
Page xxvii - A Catalogue of the Generic Names Based on American Insects and Arachnids from the Tertiary Rocks, with Indications of the Type Species.
Page xvii - is true; and it would be difficult to point to a more complete demonstration of the fact that natural knowledge, pursued for its own sake, without any direct view to future utility, will often lead to results of the most unexpected kind and of the very highest practical importance
Page 390 - ... something to mend this matter should I have to prepare another edition. I return you Forel's letter. It does not advance the question much, neither do I think it likely that even the complete observation he thinks necessary would be of much use; because it may well be that the ova or larvae or images of the beetles are not carried systematically by the ants, but only occasionally owing to some exceptional circumstances. This might produce a great effect in distribution, yet be so rare as never...
Page 459 - Dr. K. Jordan exhibited the polymorphic Papilio lysithous and P. hectorides from Brazil, and the models which they imitate. The exhibit illustrated a phenomenon observed in various groups of butterflies : that a mimetic species is broken up into a number of very differentlooking individual varieties, which are all specifically the same, while the imitated models are specifically distinct from one another. He also exhibited both sexes of the peculiar Peruvian butterfly, Styx...
Page 492 - A list of Chrysids taken by the writer in two visits to Jaffa, Jerusalem, and Jericho, with descriptions of new species,
Page 463 - The latter gentleman considers that within the limits of a Miillerian association every species exercises a mimetic influence upon every other, the amount of the influence depending upon its dominance, which is determined by its numbers, distastefulness, and general notoriety. Thus, as between any two species, the mimetic approach would be mutual, and result in an interchange of characters. This interchange would be proportionate to the relative dominance of the two species ; where this is unequal,...
Page 414 - A Description of the Superior Wing of the Hymenoptera, with a View to give a Fuller and More Certain Development to the Alary System of Jurine.
Page xxxv - West Indies. West Indian Bulletin. The Journal of the imperial agricultural department for the West Indies.

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