Elementary text-book of zoology, general part and special part: protozoa to insecta . elementarytextbo00clau Year: 1892 Fio. 175.—Vei-tical section through the cup of Cyathi- tia Cyathut (after Milno Edwards). S, Septa ; P, pali; C, columella. polyp, but are also the resultant of varying methods of growth by gemmation and impev- Fio. 17i.—Vertical section throui^h a polyp of Affro'ulea caJycularh (after Duthiers). The mouth open- ing and cesophaLToal tul)e are seen as well as the me- senteries fastened to the same ; also the calcareous seiita betvreen the mesenteries, and the columell

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Elementary text-book of zoology, general part and special part: protozoa to insecta . elementarytextbo00clau Year: 1892 Fio. 175.—Vei-tical section through the cup of Cyathi- tia Cyathut (after Milno Edwards). S, Septa ; P, pali; C, columella. polyp, but are also the resultant of varying methods of growth by gemmation and impev- Fio. 17i.—Vertical section throui^h a polyp of Affro'ulea caJycularh (after Duthiers). The mouth open- ing and cesophaLToal tul)e are seen as well as the me- senteries fastened to the same ; also the calcareous seiita betvreen the mesenteries, and the columella of the skeleton, Sk. feet fissioH. According to the method, nume- rous modifications of branched stocks are dis- tinguished, , Madre- j)ores (fig. 17G), Oculi- iiidce (fig. 177), and the lamellar and massive stocks as Astrcea (fig. 178) and the Mctan- drinidce (fig. 179). The Anthozoa are all inhabitants of the sea, arul live mostly in the warmer zones, but certain types of the fleshy

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