"Operculum" Quotes from Famous Books
 ... thickened walls are found. The seta is short, the capsule being usually raised upon the archegoniophore. Dehiscence takes place either by the upper portion of the capsule splitting into short teeth or falling away as a whole or in fragments as a sort of operculum. The spores on germination form a short germ-tube, in the terminal cell of which the apical cell is established, but the direction of growth of the young thallus is usually not in the same straight line as the germ-tube. The Marchantiales are divided ...
— Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 - "Brescia" to "Bulgaria" • Various
... oval and flattened. The transverse furrow is at the extremity (posterior) of the body and the small portion, which is thus apparently cut off, is the cap-like or operculum-like structure which gives the name to the species. Klebs maintains that the two furrows are not connected, but in this he is certainly mistaken, provided we have the same species under consideration. Very common ...
— Marine Protozoa from Woods Hole - Bulletin of the United States Fish Commission 21:415-468, 1901 • Gary N. Galkins
... shrubs of Alyxia; several very interesting Orchideae were also found in this place. We also discovered a great many snails, with very large shells of a greyish colour. One I found on the bushes with an operculum—this I gave to Wall. ...
— Voyage Of H.M.S. Rattlesnake, Vol. 2 (of 2) • John MacGillivray
... Operculum: a lid or covering: in Diptera, the chitinous envelope covering the lower part of the muscid mouth; the labrum-epipharynx of Dimmock: the scutes covering the meso-thoracic stigmata: in Aleurodidae, the lid-like structure closing the vasiform ...
— Explanation of Terms Used in Entomology • John. B. Smith
... the girdle is by the ordinary method of tieing[sic], or by another simple method, which consists in attaching near one end of the drawstring the operculum of a shell said to be found in the forests. At the other end of the girdle is a loop large enough to admit the operculum, which on being slipped into this loop ...
— The Manbos of Mindano - Memoirs of the National Academy of Sciences, Volume XXIII, First Memoir • John M. Garvan |
