. A manual of zoology. Zoology. I. CRUSTACEA: CIRRIPEDIA 373 with few exceptions, in contrast to most otlier arthropods, are hermaphro- ditic, a condition possibly correlated with their sedentary life and the con- sequent need of self-impregnation. The testes lie in the sides of the body; the ovaries in the Lepadids are in the stalk, in the Balanids in the basal plate. In cases of several solitary hemaphrodite species complementary dwarf males occur. These are very small, purely male forms, with ex- tremely simple structure (fig. 392), which live inside the mantle cavity near the genital openi
. A manual of zoology. Zoology. I. CRUSTACEA: CIRRIPEDIA 373 with few exceptions, in contrast to most otlier arthropods, are hermaphro- ditic, a condition possibly correlated with their sedentary life and the con- sequent need of self-impregnation. The testes lie in the sides of the body; the ovaries in the Lepadids are in the stalk, in the Balanids in the basal plate. In cases of several solitary hemaphrodite species complementary dwarf males occur. These are very small, purely male forms, with ex- tremely simple structure (fig. 392), which live inside the mantle cavity near the genital openings. The unsegmented body is enclosed in a sac (a. 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
