72 BRITISH FRESHWATER RHIZOPODA. 



LAGERHEIM in Geol. Foren. Stockholm Forh. XXIII (1901), 6, pp. 



472, 473, 475. 



FOBEL Le Leman, III (1904), p. 137. 

 MURRAY in Proc. Roy. Soc. Edinb. XXV (1905), p. 615. 

 HUBER in Arch. Hydrobiol. II (1907), pp. 456, 460, 462. 

 BUTLER in Brit. Assoc. Handb. Dublin (1908), p. 218. 

 HOOGENRAAD in Tijds. Nederl. Dierk. Yer. (2) X (1908), pp. 413, 424. 

 KOFOID in Bull. Illinois Lab. VIII (1908), pp. 103, 325. 

 SAMSONOFF in Sitzb. Nat. Ges. Jurjew, XVII (1908), n, p 48. 

 THIEBAUD in Ann. Biol. lacustre, III (1908), p. 121. 

 COCKERELL in Univ. Colorado Stud. VI (1909), p. 305. 

 SCHMIDT in Arch. Protist. XXIX (1913), pp. 220, 226. 

 Euglypha curvata 



PERTY Kenntn. kleinst, Lebensf. (1852), p. 187, pi. viii, f. 21. 

 Lagynis baltica 



SCHULTZE Organism. Polythalm. (1854), p. 56, pi. i, ff. 7, 8. 

 PURKYNE in Ziva, III (1855), f. 1 (4). 

 CARPENTER Foram. (Ray Soc. 1862), p. 34, pi. i, f . 21 a, b. 

 Euglypha ampulla 



CLAPAREDE <fc LACHMANN Etude Inf. et Rhiz. I (1859), p. 448. 

 Euglypha baltica 



WALLICH in Ann. Nat. Hist. (3) XIII (1864), p. 245. 

 Euglypha margaritacea 



WALLICH in Ann. Nat. Hist. (3) XIII (1864), pp. 240, 244, 245, pi. xvi, 



f. 48. 



ZACHARIAS in Forsch. deutsch. Land.-Volks. IV (1880), p. 429. 

 Difflugia adurtca 

 EHRENBERG in Abh. Akad. Berlin, 1871 (1872), p. 248, pi. iii, i, 



ff. 8, 9. 

 Difflugia alabamensis 



EHRENBERG in Abh. Akad. Berlin, 1871 (1872), pi. iii, i, f. 10. 

 Difflugia uncinnata 



EHRENBERG in Abh. Akad. Berlin, 1871 (1872), p. 258, pi. iii, i, f. 13. 

 Difflugia margaritacea 



EHRENBERG in Abh. Akad. Berlin, 1871 (1872), p. 264. 

 Cyphoderia ampulla 



LEIDY in Proc. Akad. Philad. 1878, p. 173; op. cit. 1879, p. 163; 

 Freshw. Rhiz. N. Amer. (1879), pp. 202-204, 290, 291, pi. xxxiv, 

 ff. 1-16. 



PARONA in Boll. Scient. II (1880), pp. 47, 48. 

 GRUBER in Zeits. wiss. Zool. XXXVI (1881), p. 122, pi. iv, ff. 4-13; 



in Zacharias' Tier Susswass. (1891), p. 140, f. 16 (8). 

 HITCHCOCK Synops. Freshw. Rhiz. (1881), p. 34. 

 VEJDOVSKY in Sitzb. bohm. Ges. Wiss. 1880 (1881), pp. 136, 138; 



Thier. Org. Brunnenw. Prag (1882), p. 40. 

 TARANEK in Sitzb. bohm. Ges. Wiss. 1881 (1882), p. 234. 

 IMHOF in .Zool. Anzeig. VII (1884), p. 321 ; op. cit. VIII (1885), 

 p. 162; XI (1888), p. 565; in Viertelj. nat. Ges. Zurich, XXX 

 (1885), p. 384 ; in Jahresb. nat. Ges. Graubund. XXX (1887), p. 65. 

 TARR in Rep. N. York State Museum, XXXV (1884), p. 167. 

 BOLTON in Midland Natur. IX (1886), p. 174. 

 FOREL Lac Leman, ed. 2 (1886), p. 60 ; in Boll. Scient, IX (1887), 



p. 90. 



LUDWIG in Leunis' Synops. Thierk., ed. 3, II (1886), p. 1170. 

 MONIEZ in Rev. Biol. nord France, I (1888), p. 86. 



