. Bulletin of the Bureau of Fisheries. Fisheries; Fish culture. DRAGONFUES AND DAMSELFLIES IN PONDFISH CULTURE. 245 cylindrical, covered witli short and straight spines or setae. All tlie leg joints, including the coxae, are sparsely armed with setae; and there is a row of setae also along the dorsal surface of the abdomen close to the lateral margin. The color is a uniform, creamy white, except the three dark bands on the antennae and a narrow band on each femur and tibia of the legs. The Mcife.—Mentum triangular, one-half wider than long; distal margin twice the length of the proxi- mal; one
. Bulletin of the Bureau of Fisheries. Fisheries; Fish culture. DRAGONFUES AND DAMSELFLIES IN PONDFISH CULTURE. 245 cylindrical, covered witli short and straight spines or setae. All tlie leg joints, including the coxae, are sparsely armed with setae; and there is a row of setae also along the dorsal surface of the abdomen close to the lateral margin. The color is a uniform, creamy white, except the three dark bands on the antennae and a narrow band on each femur and tibia of the legs. The Mcife.—Mentum triangular, one-half wider than long; distal margin twice the length of the proxi- mal; one mental seta on either side, one lateral seta at the base of each lobe, two marginal setae; a row of nine small spines just behind the distal margin. Lateral lobes twice as long as wide, with one marginal seta and two raptorial setae; movable hook long and stout; an accessory spine just outside the base of the distal raptorial 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 United States. Bureau of Fisheries. Washington, D. C. : Govt. Print. Off.
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectfisheries, bookyear19
