. The history of birds : their varieties and oddities, comprising graphic descriptions of nearly all known species of birds, with fishes and insects, the world over, and illustrating their varied habits, modes of life, and distinguishing peculiarities by means of delightful anecdotes and spirited engravings . k A b. BUTTKRFLIEg. 0. THE EGOS. d. THE PUPA. e. SILKWORM ON A UULBZRRT UAF. THE CLOTHES MOTH. ^09 yards long; and it is so fine, that eight or ten threads are generallyrolled off into one. For this purpose the cocoons are put into smallcoppers or basins of water, each overa sm
. The history of birds : their varieties and oddities, comprising graphic descriptions of nearly all known species of birds, with fishes and insects, the world over, and illustrating their varied habits, modes of life, and distinguishing peculiarities by means of delightful anecdotes and spirited engravings . k A b. BUTTKRFLIEg. 0. THE EGOS. d. THE PUPA. e. SILKWORM ON A UULBZRRT UAF. THE CLOTHES MOTH. ^09 yards long; and it is so fine, that eight or ten threads are generallyrolled off into one. For this purpose the cocoons are put into smallcoppers or basins of water, each overa small fire. The ends of the threadsare found bj brushing them overgently with a whisk made for the pur-pose; and in the winding they areT-ach passed through a hole, in anhorizontal bar of iron placed at theedge of the basin, which prevents themfrom becoming entangled. A fortnight or three weeks generallyelapse before the insect within thecocoon is changed into a ; butno sooner is it completely formed, than, having divested itself of itsaurelia skin, it prepares to burst through its prison. For this purposeit extends its head towards the point of the cocoon, and gnaws apassage through its cell, small at first, but enlarging as the animalincreases its efforts for emancipation. The tattered remnants of itsaurelia skin are left in confusion within the cocoon, l
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Keywords: ., bookcentury1800, bookdecade, booksubjectbirds, booksubjectzoology
