. A manual of zoology. Zoology. Fie. 307. Fio. 308. Fig. 367.—Pahrmon scrrjtus (from I,U(i\vit;-Leunis\ .1, abdomoii; Ct, ccphalo- thor:i\ Fig. 30S.—Caiiidsiis coU-oplratonim (from Tasclicnbcrg'). somite wliich is entirely lost in the adult. It is not ncccssarv that each somite in (he adult should bear appendages, since these may disappear in growth without leaving a trace. Wliile originally all were locomotor, the appendages subserve many functions (hg. 360). Locomotor appendages (pcrciopoda. feet or legs) arc long and consist of a numlier of joints which mav form llattened oars or may be pro


. A manual of zoology. Zoology. Fie. 307. Fio. 308. Fig. 367.—Pahrmon scrrjtus (from I,U(i\vit;-Leunis\ .1, abdomoii; Ct, ccphalo- thor:i\ Fig. 30S.—Caiiidsiis coU-oplratonim (from Tasclicnbcrg'). somite wliich is entirely lost in the adult. It is not ncccssarv that each somite in (he adult should bear appendages, since these may disappear in growth without leaving a trace. Wliile originally all were locomotor, the appendages subserve many functions (hg. 360). Locomotor appendages (pcrciopoda. feet or legs) arc long and consist of a numlier of joints which mav form llattened oars or may be provided with claws for creeping (S). Besides locomotor ap- pendages there are tactile appendages or antcumc (\), chewing appendages (jaws, maiidiblvs, , 2-j,). false feet ox plcopoda (o) of \-arying func- tions, and forms—,v;;c</,s' (5-7)—transitional between jaws ami legs. Aside from being tactile, antenna- are characterized by ]iosition and in- nervation. They are always iir front of the mouth and receixe their nerve supply from the supraa'soi)hageal ganglion, while all other appendages. 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, ed. and tr. New York, H. Holt


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectzoology, bookyear1912