. Fresh-water biology. Freshwater biology. 8s6 FRESH-WATER BIOLOGY existence the larval appendages drop off and the animal takes on the character of a pupa, which increases greatly in size, drawing nourishment from its host, and beneath the skin of which new appendages are gradually developed. From this quiescent pupa emerges an active, eight-footed nymph (Fig. 1321) possessing legs and palpi frequently quite similar to those of the adult, but with smaller epimera and with a genital field lacking the structures which. Please note that these images are extracted from scanned page images that ma


. Fresh-water biology. Freshwater biology. 8s6 FRESH-WATER BIOLOGY existence the larval appendages drop off and the animal takes on the character of a pupa, which increases greatly in size, drawing nourishment from its host, and beneath the skin of which new appendages are gradually developed. From this quiescent pupa emerges an active, eight-footed nymph (Fig. 1321) possessing legs and palpi frequently quite similar to those of the adult, but with smaller epimera and with a genital field lacking the structures which. 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 Ward, Henry Baldwin, 1865-1945; Whipple, George Chandler, 1866-1924. joint author. New York, John Wiley & sons, inc. ; [etc. ,etc. ]


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectfreshwa, bookyear1918