. Fresh-water biology. Freshwater biology. 874 FRESH-WATER BIOLOGY 65 (66) Leg segs. I 5 and I 6 modified Atraciides Koch ' Small to medium-sized mites, vary- ing in length, from to mm. with surface soft and striate, or with a flexible or hard porous covering; swimming-hairs present. Species few in this country, rare, in northern lakes. Fig . 13 5 2. A traciides spinipes Koch, a species common to Europe and America. Ventral surface, female. X 25- Outer side of left palpus, female. X 103. (Modified from Piersig.) 66 (65) Leg segs. I 5 and I 6 normal Hygrohates KocK Please
. Fresh-water biology. Freshwater biology. 874 FRESH-WATER BIOLOGY 65 (66) Leg segs. I 5 and I 6 modified Atraciides Koch ' Small to medium-sized mites, vary- ing in length, from to mm. with surface soft and striate, or with a flexible or hard porous covering; swimming-hairs present. Species few in this country, rare, in northern lakes. Fig . 13 5 2. A traciides spinipes Koch, a species common to Europe and America. Ventral surface, female. X 25- Outer side of left palpus, female. X 103. (Modified from Piersig.) 66 (65) Leg segs. I 5 and I 6 normal Hygrohates KocK 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
