375 Since writing the above, I see that Mû¥llenhoff gives the same explanation, and declares that the waxen wall is actually a Flû¥ssigkeitshûÊutchen, or liquid film.
376 Bonnet criticised Buffonãs explanation, on the ground that his description was incomplete; for Buffon took no account of the Maraldi pyramids.
377 Buffon, Histoire Naturelle, IV, p. 99. Among many other papers on the Beeãs cell, see Barclay, Mem. Wernerian Soc. II, p. 259 (1812), 1818; Sharpe, Phil. Mag. IV, 1828, pp. 19ã21; L. Lalanne, Ann. Sci. Nat. (2) Zool. XIII, pp. 358ã374, 1840; Haughton, Ann. Mag. Nat. Hist. (3), XI, pp. 415ã429, 1863; A. R. Wallace, ibid. XII, p. 303, 1863; Jeffries Wyman. Pr. Amer. Acad. of Arts and Sc. VII, pp. 68ã83, 1868; Chauncey Wright, ibid. IV, p. 432, 1860.
380 Von Fedorow had already described (in Russian) the same figure, under the name of cubo-octahedron, or hepta-parallelohedron, limited however to the case where all the faces are plane. This figure, together with the cube, the hexagonal prism, the rhombic dodecahedron and the ãelongated dodecahedron,ã constituted the five plane-faced, parallel-sided figures by which space is capable of being completely filled and symmetrically partitioned; the series so forming the foundation of Von Fedorowãs theory of crystalline structure. The elongated dodecahedron is, essentially, the figure of the beeãs cell.
381 F. R. Lillie, Embryology of the Unionidae, Journ. of Morphology, X, p. 12, 1895.
382 E. B. Wilson, The Cell-lineage of Nereis, Journ. of Morphology, VI, p. 452, 1892.
383 It is highly probable, and we may reasonably assume, that the two little triangles do not actually meet at an apical point, but merge into one another by a twist, or minute surface of complex curvature, so as not to contravene the normal conditions of equiôÙlibôÙrium.
384 Professor Peddie has given me this interesting and important result, but the mathôÙeôÙmatôÙiôÙcal reasoning is too lengthy to be set forth here.