CYCLOPIDtE AND CALANID^E OF MICHIGAN LAKES. 19 



1891. C. magnoctavus Brady, p. 19, figs. 1-4. 



1893. " fluviatilis Marsh, p. 214, pi. V, figs. 14 and 15; pi. VI, fig. 1. 



C. fluviatilis occurs in most of the limnetic collections in all except the 

 smallest bodies of water. 



Cyclops serrulatus Fischer. 



1851. C. serrulatus Fischer, p. 423, pi. X, figs. 22, 23, 26-31. 



1853. " " Lilljeborg, p. 158, pi. XV, fig. 12. 



1857. " " Claus. p. 36, figs. 1-3. 



1863. " " Sars, p. 254. 



1863. " " Claus, p. 101, pi. I, figs. 1 and 2; pi. IV, fig. 12; pi. 



XI, fig. 3. 



1863. " " Lubbock, p. 197. 



1870. " " Heller, p. 72. 



1872. " " Fric, p. 222, fig. 18. 



1875. " " Uljanin, p. 34, pi. VIII, figs. 1-8. 



1878. " " Brady, p. 109, pi. XXII, figs. 1-6. 



1878. " " var. montanus Brady, p. 110, pi, XXII, figs. 7-14. 



1880. " agilis Eehberg, p. 545. 



1882. " " Forbes, p. 649. 



1882. " serrulatus Herrick, p. 230, pi. V, figs. 1-5; pi. VII, fig. 10. 



1883. " pectinifer Cragin, p. 6, pi. IV, figs. 1-7. 



1884. " serrulatus Herrick, p. 157, pi. O, figs. 17-19. 



1884. " " var. elegans Herrick, p. 158. 



1885. " agilis Daday, p. 240. 



1886. " " Vosseler, p. 190, pi. V, figs. 29-31. 

 1890. " " Thallwitz, p. 79. 



1890. " " Lande, p. 60, pi. XVII, fig. 69; pi. XVIII, figs. 70-80. 



1891. " serrulatus Schmeil, p. 29. 



1891. " " Kichard, p. 234, pi. VI, figs. 6-12. 



1891. " agilis Forbes, p. 710. 



1892. " serrulatus Schmeil, p. 141, pi. V, figs. 6-12. 



1893. " " Marsh, p # 215, pi. VI, figs. 2-5. 



This well known species occurs everywhere in Michigan waters and with 

 the same variations in structure which I have noted in the collections 

 made in Wisconsin. (Marsh '93, pp. 215-216.) 



Cyclops phaleratus Koch. 



1838. G. phaleratus Koch, H 21, pi. IX. 



1851. " canthocarpoides Fischer, p. 426, pi. X, figs. 24, 25, 32-38. 



1853. " " Lilljeborg, p. 208. 



1857. " " Claus, p. 37, pi. I, figs. 6-10. 



1863. " " " p. 102, pi. IV, figs. 1-4. 



1863. " " Lubbock, p. 202. 



1863. " phaleratus Sars, p. 255. 



1872. " canthocarpoides Fric, p. 223, fig. 19. 



1874. " lascivus Poggenpol, p. 72, pi. XV. figs. 22-24; pi. XVI, figs. 



7 and 8. 



1875. " phaleratus Uljanin, p. 38, pi. IX, figs. 1-5. 

 1878. " " Brady, p. 116, pi. XXIII, figs. 7-13. 

 1882. " adolescens Herrick, p. 231, pi. VI, figs. 15-20. 



