. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology; Zoology. Fig. 287. â Leptothyra induta. '.. West Indies, of which the finest is P. Adansoniana (Fig-. 288), from about 200 fathoms. The shell is four inches in diameter, richly pearly within, and orna- mented with elegant red and brown colors exter- nally. The anal notch in this species extends nearly half the length of the last whorl. A second species, less brilliant and with a shorter notch, is P. Qiioy- Fig-. 28S.âPleurotomaria Adansoniana. %. /r,. f.,-,^, -, 'â , ana (Fig. 289), also ob- tained living by the "
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology; Zoology. Fig. 287. â Leptothyra induta. '.. West Indies, of which the finest is P. Adansoniana (Fig-. 288), from about 200 fathoms. The shell is four inches in diameter, richly pearly within, and orna- mented with elegant red and brown colors exter- nally. The anal notch in this species extends nearly half the length of the last whorl. A second species, less brilliant and with a shorter notch, is P. Qiioy- Fig-. 28S.âPleurotomaria Adansoniana. %. /r,. f.,-,^, -, 'â , ana (Fig. 289), also ob- tained living by the " ; Among other univalves, the Mar- ginellidae are represented by such species as Marginella succinea Con- rad, extending from shallow water to several hundred fathoms, and M. Watsoni (Fig. 290), characteristic of great depths. The Ringiculidse, of which many species are known fossil, are illustrated by Ii. lepfacheila Fig. 289. âPleurotomaria Quoy- (Fig. 291), described first by Brug- '"'⢠*â none from the Mediterranean, and afterward from deep water. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Harvard University. Museum of Comparative Zoology. Cambridge, Mass. : The Museum
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