. Fresh-water biology. Freshwater biology. THE WATER-MITES (HYDRACARINA) 54 (6i) Posterior margin of ep. IV rounded or transverse . 871 SS 55 (58) With swimming-hairs 56 56 (57) Transverse diameter of ep. IV the greater, suture between epp. Ill and IV complete; no prominent papillae on pal. seg. 4, acetabula very numerous Neumania Lebert 1879.. Mites of small to medium size, varying in length from 0.5 to i .6 mm., with soft body, tending more or less to develop chitinous plates or beset with chitinous points, rarely smooth; leg IV usually with feathered spines. Brightly colored, red or bluish
Image details
Contributor:
Central Historic Books / Alamy Stock PhotoImage ID:
PFYP9KFile size:
7.1 MB (212.9 KB Compressed download)Releases:
Model - no | Property - noDo I need a release?Dimensions:
1273 x 1963 px | 21.6 x 33.2 cm | 8.5 x 13.1 inches | 150dpiMore information:
This image is a public domain image, which means either that copyright has expired in the image or the copyright holder has waived their copyright. Alamy charges you a fee for access to the high resolution copy of the image.
This image could have imperfections as it’s either historical or reportage.
. Fresh-water biology. Freshwater biology. THE WATER-MITES (HYDRACARINA) 54 (6i) Posterior margin of ep. IV rounded or transverse . 871 SS 55 (58) With swimming-hairs 56 56 (57) Transverse diameter of ep. IV the greater, suture between epp. Ill and IV complete; no prominent papillae on pal. seg. 4, acetabula very numerous Neumania Lebert 1879.. Mites of small to medium size, varying in length from 0.5 to i .6 mm., with soft body, tending more or less to develop chitinous plates or beset with chitinous points, rarely smooth; leg IV usually with feathered spines. Brightly colored, red or bluish forms, active, but not markedly voracious. Several North American species, common, and widely dis- tributed. Fig. 1347. _ iVcMwoMia spinipes (Muller), a European species represented in this country by a closely allied form. Ventral surface, male. X 40. Outer side, palpus, male. X 70. (Modified from Piersig.) 57 (56) Longitudinal diameter of ep. IV at least equal to the transverse, suture between epp. Ill and IV incomplete mediaOy; pal. seg. 4 usually with prominent papillae; s or 6 acetabula on each side on one or two plates. (Non-parasitic species) Unionicola'Haldema.n 1842. 58 (ss) Without swimming-hairs S9. 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 work.. Ward, Henry Baldwin, 1865-1945; Whipple, George Chandler, 1866-1924. joint author. New York, John Wiley & sons, inc. ; [etc. , etc. ]