. A manual of zoology. PHYLUM ARTHROPODA 261 ing by gills, in which the body consists of two regions, — the cephalothorax and the abdomen. The former is covered ofierc. Fig. 157.—Ventral view of Limulus. 1-0, appendages of cephalothorax; abdt abdomen; ceph, cephalothorax; cpcrc, operculum, behind which are seen the series of abdominal appendages; tels, caudal spine or telson. (From Packard, after Kingsley.) over by a broad shield or carapace, bearing two large com- pound and two smaller, simple eyes. The segments of the. Please note that these images are extracted from scanned page images that


. A manual of zoology. PHYLUM ARTHROPODA 261 ing by gills, in which the body consists of two regions, — the cephalothorax and the abdomen. The former is covered ofierc. Fig. 157.—Ventral view of Limulus. 1-0, appendages of cephalothorax; abdt abdomen; ceph, cephalothorax; cpcrc, operculum, behind which are seen the series of abdominal appendages; tels, caudal spine or telson. (From Packard, after Kingsley.) over by a broad shield or carapace, bearing two large com- pound and two smaller, simple eyes. The segments of the. 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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