. The annals and magazine of natural history : zoology, botany, and geology. Fig. Figs. 9-13.—Series of sections illiistratin^ the earlv «f-, • .iformation of a bud polyp ^M^^-t^ ^^Ann. cfc iJ%. N. Hist. Ser. 7. Vol. x. 9 110 Dr. J. E. Duerden on the botli tlie inner and outer lining of tlie stomodaeum, differsaltop;ethcr from that elsewhere liniPit^ the canals and ji^astriccavity of the polyps ; the cells are columnar, strongly ciliated,non-vacuolated, and stain deeply. Fig. 10 is from a section a little to one side of the oralaperture, and reveals four mesenteries extending vertical


. The annals and magazine of natural history : zoology, botany, and geology. Fig. Figs. 9-13.—Series of sections illiistratin^ the earlv «f-, • .iformation of a bud polyp ^M^^-t^ ^^Ann. cfc iJ%. N. Hist. Ser. 7. Vol. x. 9 110 Dr. J. E. Duerden on the botli tlie inner and outer lining of tlie stomodaeum, differsaltop;ethcr from that elsewhere liniPit^ the canals and ji^astriccavity of the polyps ; the cells are columnar, strongly ciliated,non-vacuolated, and stain deeply. Fig. 10 is from a section a little to one side of the oralaperture, and reveals four mesenteries extending verticallyfrom the outer wall as far as the inturned stomodreal fig. 11 the two outermost mesenteries have become free attheir lower extremity, but the two inner still retain theirconnexion with the infolded margin of the stomodaeum. Inthe next figure all the primary mesenteries are free from thestomodaeum, but the one to the right is connected with theinner wall of the peripheral canal. To the left of the mesenterythe rudiment of an additional mesentery has now th


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Keywords: ., bookcentury1800, bookdec, booksubjectnaturalhistory, bookyear1838