. A manual of zoology. PHYLUM O ELENTERATA into the interior of the body, and terminates in a free edge. This tube is called the gullet or stomodseum. Its inner surface is marked with two longitudinal grooves (sgph), known as the gullet-grooves or The gullet does not simply hang freely in the interior cavity, but is connected with the body-wall by a number of radiating ?rtfti cefr. f >nest Fig. 54.—Tealia crassicornis. Dissected specimen; gon, gonads; gul, gullet; /. in, longitudinal muscle; Ip, lappet; mes. I, primary, mes. 2, secondary, tnes. 5, tertiary mesenteries
. A manual of zoology. PHYLUM O ELENTERATA into the interior of the body, and terminates in a free edge. This tube is called the gullet or stomodseum. Its inner surface is marked with two longitudinal grooves (sgph), known as the gullet-grooves or The gullet does not simply hang freely in the interior cavity, but is connected with the body-wall by a number of radiating ?rtfti cefr. f >nest Fig. 54.—Tealia crassicornis. Dissected specimen; gon, gonads; gul, gullet; /. in, longitudinal muscle; Ip, lappet; mes. I, primary, mes. 2, secondary, tnes. 5, tertiary mesenteries; mes. F, mesenteric filaments; mth, mouth; ost. J, ost. 2, ostia or aperture in mesenteries; /. >ny parietal muscle; sgpli, siphonoglynhe; s. tn, sphincter muscle; t. in, transverse muscle. partitions, the complete or primary mesenteries (mes. i) ; between these are incomplete secondary mesenteries (mes. 2), which extend only part of the way from the body-wall to the gullet, and tertiary mesenteries (mes. J), which are hardly more than ridges on the inner surface of the body-. 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 Parker, T. Jeffery (Thomas Jeffery), 1850-1897; Haswell, William A. (William Aitcheson), 1854-1925. New York, The Macmillan Company; London, Macmillan & Co. ,Ltd.
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Keywords: ., bookcentury1900, bookdecade1900, bookpublishernewyo, bookyear1900
