 ... in the larger forms, the funicles with a ciliated area; eyes behind or between the bases of the tentacles; below the tentacles an oral orifice from which extends a long retractile subcylindric proboscis, but there is no muzzle like that of Scala;...  Proceedings of the Biological Society of Washington - Page vby Biological Society of Washington - 1905Full view - About this book
 | William Healey Dall, Paul Bartsch - 1909 - 486 lehte
...proboscis, but there is no muzzle like that of Scala; below the oral orifice is an organ named by Loven the mentum, which is usually more or less medially grooved...behind the front margin of the foot. The shell is turrited, with a plicate axis; "Proc. US Nat. Mus., vol. 34. *In the preparation of the present diagnoses... | |
 | United States National Museum - 1909 - 942 lehte
...proboscis, but there is no muzzle like that of Scala; below the oral orifice is an organ named by Loven the mentum, which is usually more or less medially grooved...less bilobate, and extensile or retractile before or belu'nd the front margin of the foot. The shell is turrited, with a plicate axis; oProc. IT. S. Nat.... | |
 | 1909 - 352 lehte
...proboscis, but there is no muzzle like that of Scala; below the oral orifice is an organ named by Loven the mentum, which is usually more or less medially grooved...behind the front margin of the foot. The shell is turrited, with a plicate axis; "Proc. US Nat. Mus., vol. 34. 6 In the preparation of the present diagnoses... | |
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