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One character, which is unique among insects, is peculiar to Ephemerids; the adults issuing from the pupal envelope undergo still another moult in divesting themselves of a thin pellicle that covers the body, wings, and other appendages. This is what is called the subimago, and precedes the imago or perfect state of the insect.
When full-fed and ready to pass through their transformations to attain the beetle state, instead of at once assuming the pupa and imago forms, as in the Trichodes represented in fig. 34, they pass through a hyper-metamorphosis, as Fabre, a French naturalist, calls it.
Cordatus: "You say well, but I would fain hear one of these autumn-judgments define Quin sit comoedia? If he cannot, let him concern himself with Cicero's definition, till he have strength to propose to himself a better, who would have a comedy to be invitatio vitae, speculum consuetudinis, imago veritatis; a thing throughout pleasant and ridiculous and accommodated to the correction of manners."
'Sat. No. 189. Saturday, October 6, 1711. Addison. ... Patriae pietatis imago. Virg. Mr. Buckley, "Mr. It would be wonderfully obliging to the World, if Mr. SPECTATOR would give his Opinion of it, in some of his Speculations, and particularly to" Your Humble Servant.
Now I observe with pleasure that very recently an author of the psychoanalytic school is engaged on the very subject that I have recommended as so desirable. Dr. Emil F. Lorenz, in the February number of Imago, 1913, treats the “Titan Motiv in der allgemeinen Mythologie” in a manner that approaches my conception of it.
Truly the imago state of Man seems to be terribly distant, but every moult is a step gained, and of such there have been many.
This was on December 19th, 1799. "In October, 1862, Lord Brougham added as a postscript: 'I have just been copying out from my journal the account of this strange dream, "Certissima mortis imago!" And now to finish the story begun about sixty years since. Soon after my return to Edinburgh there arrived a letter from India announcing G 's death, and stating that he died on December 19th."
There were professors of cosmography and astronomy in the university, familiar with the works of Alfraganus and Regiomontanus. It is likely that it was at this time that Columbus became possessed of d'Ailly's 'Imago Mundi', which little volume contained a popular resume of the scientific views of Strabo, Pliny, Ptolemy, and others, and was from this time forth Columbus's constant companion.
He halted on the left bank of the Adda, encamping his army in the villages of Imago, Gorgonzola, and Cassano, and remained master of the battlefield, upon which we had left two thousand five hundred dead, one hundred pieces of cannon, and twenty howitzers. That night Souvarow invited General Becker to supper with him, and asked him by whom he had been taken prisoner.
The "imaginal disks" or rudimentary portions destined to develop and form the skin of the adult, or imago, arise in the pupa state, which resembles that of other ichneumons. The eggs develop as in Platygaster. The earliest stage of the embryo is very remarkable. It leaves the egg when very small and immovable, and with scarcely a trace of organization, being a mere flask-shaped sac of cells.
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