. Fresh-water biology. Freshwater biology. Fig. 1092. Male antennule. A, Moinaredirosiris. B, M. affinis. C, M. macrocopa. MM. ^^ Fig. 1093. Ephippium. A,Moina rectirostris. B, M. affinis. C; M. macrocopa, {A and C after Lillje- borg.) 74 (73) Valves striate; ephippium reticulated all over; antennules of male with sense seta near base. . Moina affinis Birge 1893. 005 MM i-. Much Uke M. rectirostris, from which the young 9 ^re hardly distinguishable. Anten- nules of ij broad, fringed with fine hairs on inner margin; 4-6 hooks at end. Length, J, mm.; $, mm. Wisconsin to Louis
. Fresh-water biology. Freshwater biology. Fig. 1092. Male antennule. A, Moinaredirosiris. B, M. affinis. C, M. macrocopa. MM. ^^ Fig. 1093. Ephippium. A,Moina rectirostris. B, M. affinis. C; M. macrocopa, {A and C after Lillje- borg.) 74 (73) Valves striate; ephippium reticulated all over; antennules of male with sense seta near base. . Moina affinis Birge 1893. 005 MM i-. Much Uke M. rectirostris, from which the young 9 ^re hardly distinguishable. Anten- nules of ij broad, fringed with fine hairs on inner margin; 4-6 hooks at end. Length, J, mm.; $, mm. Wisconsin to Louisiana. M. rectirostris, affinis, and brachiata, have been often confused in faunal hsts. Fig. 1094. Moina ajjinis, apex of post-abdomen. 75(70) No supra-ocular depression; claws not pectinate; antennules of male with sense seta in middle or below; first foot of male with long flagellum. Moina macrocopa Straus 1820. Not very transparent; yellowish or greenish. Head extended. Terminal part of post-abdomen long, with 10-12 spines besides bident. Two ephippial eggs. J with elongated head; 5-6 hooks on antennule. Length, 9. to mm.; J, mm. Pools, Wisconsin, Nebraska, Colorado, N. Dakota; doubtless widely distributed. This species is M. paradoxa Weismann and M. flagellata Hu- dendorf. Fig. 1095. Moina 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
