. A manual of zoology. Zoology. Fig. 27:3.—Diagram of annelid somites (orig.). tn/i, acieular : o, ca^lom;cm, circular muscles ; cv, circular blood-vessels; d, dorsal blood-vessel; (, intestine ; ItH^ longitudinal muscles: m. mesentery; ii. nerve cord; j(«, nephridium; 7ie, ?tv, neuro- and notopodia, forming parapodium; s, septum; so, somatopleure; sp, splanchnopleure; f, typhlosote. Annelids, where it api^ears both in the outer ringing of the body and in the arrangement of the most important systems of organs— mctameric arrangement of excretory organs, nervous system,blood- ,. v
. A manual of zoology. Zoology. Fig. 27:3.—Diagram of annelid somites (orig.). tn/i, acieular : o, ca^lom;cm, circular muscles ; cv, circular blood-vessels; d, dorsal blood-vessel; (, intestine ; ItH^ longitudinal muscles: m. mesentery; ii. nerve cord; j(«, nephridium; 7ie, ?tv, neuro- and notopodia, forming parapodium; s, septum; so, somatopleure; sp, splanchnopleure; f, typhlosote. Annelids, where it api^ears both in the outer ringing of the body and in the arrangement of the most important systems of organs— mctameric arrangement of excretory organs, nervous system,blood- ,. vessels—internal segmentation. To this is added an extraordinary increase in number of body segments (somites, metameres), which can far exceed a hundred. AVe can thus define the Annelids as. 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 Hertwig, Richard, 1850-1937; Kingsley, J. S. (John Sterling), 1854-1929. New York, H. Holt and Company
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectzoology, bookyear1902
