. A manual of zoology. Zoology. Yia. i'ii.—AmphWuH'. (From Gerstacker.) a', a^ first and second antennae; ou, eye; Vll-Xlll^ the seven free thoracic segments ; 1-1, abdominal segments. thoracic somites are firmly united. The eight thoracic feet retain throughout life a biramous condition and are used in swimming. The posterior pair of abdominal feet together with the telson form. Fig. 434.—Mi/^is elongata. (From Gerstacker.) a, j3, first and second antennre, a, ex- pedite; ally eye; /, endopodite; o, otocyst; 1-7, al)doniinal somites. a caudal ' fin ' by means of which tlie animal can swim bac
. A manual of zoology. Zoology. Yia. i'ii.—AmphWuH'. (From Gerstacker.) a', a^ first and second antennae; ou, eye; Vll-Xlll^ the seven free thoracic segments ; 1-1, abdominal segments. thoracic somites are firmly united. The eight thoracic feet retain throughout life a biramous condition and are used in swimming. The posterior pair of abdominal feet together with the telson form. Fig. 434.—Mi/^is elongata. (From Gerstacker.) a, j3, first and second antennre, a, ex- pedite; ally eye; /, endopodite; o, otocyst; 1-7, al)doniinal somites. a caudal ' fin ' by means of which tlie animal can swim backwards. The delicate skin permits of diffuse respiration, and gills are fre- quently lacking. In some genera plates from the legs of the female enclose a brood case beneath the cophalothorax, thus giving these forms the common name of opossum 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
