ACARINA. 11 



HYDRACHNIDAE. 



45. Fiona inconstans (Wolcott). 



Curvipes inconstans Wolcott, Trans. Amer. Micros, soc, 1902, 

 vol. 23, p. 241, pi. 32, fig. 47, pi. 33 fig. 48-50. "Cranbeery 

 Lake, Wood's Hole, Mass. * * * High Highland Harbor, 



NORTHERN LaKE MICHIGAN * * * COLUMBIA, Mo. * * * CiRCLE 



Lake, Decatur, Neb. * * * Slidell, La. * * * Audubon 

 Park, New Orleans, La. * * * near Havana, III." 



Mass. — Cranberry Lake, Wood's Hole. 



46. LiMNESiA HiSTRiONiCA (Hermann). 



Wolcott, Trans. Amer. micros, soc, 1903, vol. 24, p. 146, pi. 12, 

 fig-. 6, 7. 



Hydrachna histrionica Hermann, Mem. ApteroL, 1804, p. 35. 

 "Europe." 



Mass. — Wood's Hole. 



47. LiMNESiA MACULATA (JNIuller). 



Wolcott, Trans. Amer. micros, soc, 1903, vol. 24, p. 146, pi. 13, 

 fig. 14, 15. 



Hydrachna maculata Miiller, Zool. Danicae prodr., 1776, p. 191. 

 " Denmark." 



Mass.— Wood's Hole. 



48. LiMNESiA UNDULATA (INIuller). 



Wolcott, Trans. Amer. micros, soc, 1903, vol. 24, p. 149, pi. 12, 

 fig. 8, pi. 13, fig. 9. 



Hydrachna undulata Miiller, Hydrachnae * * * Daniae, 1781, 

 p. 80, pi. 11, fig. 1. "In aquosis." 



Mass.— Wood's Hole. 



