. The Biological bulletin. Biology; Zoology; Marine biology. CLASPING ORGANS OF AMPHIBIA. 251 In 1881 Stock reviewed the work on the clasping organs or " Kammplatten " and gave figures of several forms which were found in the coal of North- umberland county of En- gland 1 (Fig. 1). He re- ferred to several species of fish which had been based on objects identical with the " ; In the same year, 1881, Traquair had established a new genus of fish, Eiictenins, on a clasping organ of an am- phibian, obtained from the "Black-band Ironstone" near
. The Biological bulletin. Biology; Zoology; Marine biology. CLASPING ORGANS OF AMPHIBIA. 251 In 1881 Stock reviewed the work on the clasping organs or " Kammplatten " and gave figures of several forms which were found in the coal of North- umberland county of En- gland 1 (Fig. 1). He re- ferred to several species of fish which had been based on objects identical with the " ; In the same year, 1881, Traquair had established a new genus of fish, Eiictenins, on a clasping organ of an am- phibian, obtained from the "Black-band Ironstone" near In a communication to Stock, Traquair admitted that he had come to this conclusion in regard to the Enctenius. Barkas, in 1869, had de- scribed two species of Cte- noptychius based on remains which are identical with the clasping organs in question3 (Fig. 2). The elements discov- ered and figured by Stock from the Northumberland Coal- measures consisted of objects which he compares in form to a. Fig. 1. "Kammplatten" from the North- umberland coal of After Stock. FlG. 2. " Ctenoptychius" tooth — clasping organ. After Barkas. tadpole. They are elongate rods with an expanded end, a rather long narrow handle and a short broad body on one edge of which 1 Stock, 1881, Ann, and Mag. Nat. Hist., 5th Ser., Vol. VIII., p. 90 with Plate VI. 2Traquair, 1881, Geo/. Mag., Decade II., Vol. 8, p. 36. 3Barkas, 1869, Geo/. Mag., Vol. VI., p. 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 Lillie, Frank Rattray, 1870-1947; Moore, Carl Richard, 1892-; Redfield, Alfred Clarence, 1890-; Marine Biological Laboratory (Woods Hole, Mass. ); Marine Biological Laboratory (Woods Hole, Mass. ). Annual report; HighWire Press. Lancaster, Pa. [etc. ] : Lancaster Press, inc. [etc. ]
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