bombyces

From what has been said respecting the rearing of exotic silk-producing bombyces, especially tropical species, it must have been observed that several difficulties, standing in the way of success, have to be overcome.

Scientific American Supplement, No. 344, August 5, 1882

The above-mentioned American species, like most other silk-producing bombyces, were bred in the open air; but besides these, I reared three other species of American bombyces in the house, under glass, and with the greatest success.

Scientific American Supplement, No. 344, August 5, 1882

-- Three North American silk-producing bombyces, very closely allied, have been mentioned in my previous reports; they are;

Scientific American Supplement, No. 344, August 5, 1882

Larvæ of all the silk-producing bombyces were preserved in their different stages, and can be seen in the Bethnal-green Museum.

Scientific American Supplement, No. 344, August 5, 1882

Comets, then, die, as Kepler wrote long ago, _sicut bombyces filo fundendo_.

A Popular History of Astronomy During the Nineteenth Century Fourth Edition

The period (1,208 days) of this body is considerably shorter than that of any other known comet.] [Footnote 243: "Sicut bombyces filo fundendo, sic cometas cauda exspiranda consumi et denique mori."

A Popular History of Astronomy During the Nineteenth Century Fourth Edition