. A manual of zoology. Zoology. 438 ARTUBOPODA. Legion III. Arthrostraca {EdriojMhahnata). Although the head of the Arthrostracau consists of six seg- ments, it is remarkahly short. It hears six pairs of appendages, one of the normal thoracic pair heing added to it as maxillipeds. Eyes, when present, are aggregates of ocelli situated on the sides of the head. There are seven thoracic segments, the apipendages of which are walking feet which lack exopodites. The abdominal appendages, when present, are always biramous, the telson never bearing ajipendages, and in the Am2:ihipods is greatly reduc
. A manual of zoology. Zoology. 438 ARTUBOPODA. Legion III. Arthrostraca {EdriojMhahnata). Although the head of the Arthrostracau consists of six seg- ments, it is remarkahly short. It hears six pairs of appendages, one of the normal thoracic pair heing added to it as maxillipeds. Eyes, when present, are aggregates of ocelli situated on the sides of the head. There are seven thoracic segments, the apipendages of which are walking feet which lack exopodites. The abdominal appendages, when present, are always biramous, the telson never bearing ajipendages, and in the Am2:ihipods is greatly reduced, sometimes being split nearly its whole length. The nervous system (figs. 75, 448) is of the ladder type. The alimentary canal is straight and has an anterior enlargement, 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 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
