Title: The Biological bulletin Identifier: biologicalbullet32mari Year: [1] (s) Authors: Marine Biological Laboratory (Woods Hole, Mass. ); Marine Biological Laboratory (Woods Hole, Mass. ). Annual report 1907/08-1952; Lillie, Frank Rattray, 1870-1947; Moore, Carl Richard, 1892-; Redfield, Alfred Clarence, 1890-1983 Subjects: Biology; Zoology; Biology; Marine Biology Publisher: Woods Hole, Mass. : Marine Biological Laboratory Contributing Library: MBLWHOI Library Digitizing Sponsor: MBLWHOI Library

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Text Appearing Before Image: ON THE BREEDING HABITS OF DESMOGNATHUS FUSCA. INEZ WHIPPLE WILDER, BIOLOGICAL LABORATORY, SMITH COLLEGE. That the eggs of Desmognathus fusca are deposited under terrestrial conditions, and are brooded by the mother during their development, are facts already well known. In my account of the "Life History of Desmognathus fusca" (I. W. Wilder, '13), I made the following observation and suggestion: 'The eggs are always found guarded by a female, undoubtedly the mother. She usually so places herself among them as to bring practically all of the eggs in contact with her body, which often extends through the mass of eggs and is frequently bent sharply upon itself as if the better to surround and protect them (Fig. i).

Text Appearing After Image: FIG. i. Female Desmognathus fusca with eggs, showing the characteristic brooding position, with the body coiled about the eggs. Drawn from life by H. H. Wilder. From American Naturalist, Vol. XXXIII. When under observation, as in a terrarium, the mother frequently leaves the eggs when disturbed, always retreating through the same exit from the nest. After having been separated from the 13

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