PSEUDODIFELUaiA GKAOILIS. 115 



Lord in Soi. Gossip, 1891, p. 245, f . 202 ; op. cit. 1892, p. 129 ; in 



Trans. Manch. Micr. Soo. 1891 (1892), p. 56. 

 Perry in Proc. Amer. Soc. Micr. XII (1891), p. 95. 

 Cash in Trans. Manoh. Micr. Soc. 1891 (1892), p. 52. 

 Dadat in Termesz. Fiizetec, YI (1892), p. 27, etc. ; in Deutsch-Ost- 



Africa, lY, XXIII (1910), p. 11. 

 ScHEWiAKOFP in Mem. Acad. St. Petersb. (7) XLI (1893), Tin, p. 98. 

 Entz in Math. Termesz. ertes. 2Y (1897), pp. 173, 178; in Math. nat. 



Ber. Ungavn, XY (1899), pp. 184, 188. 

 ScHAUDiNN in Deutsch-Ost- Africa, lY, xvii (1897), p. 11. 

 AvERiNTZBFF in Trudui S.-Peterb. Obshch. XXX, i (1900), p. 240 ; 



op. cit. (pars) XXXVI, ii (1906), pp. 276-277. 

 Etpbeth Einfach. Lebensf., ed. 3 (1900), p. 271. 

 West in Jrn. Linn, Soo , Zool. XXYIII (1901), p. 330. 

 Penaed Paune Phiz. Leman (1902), pp. 449-450, 4 figs. ; in Arch. 



Protist. II (1903), p. 264; Sarcodines in Cat. Invert. Suisse (1905), 



pp. 90-91. 

 ZsGHOKKE in Arch. Hydrobiol. I (1905), p. 4. 

 ScHorTEDEN (pars) in Ann. Biol, lacustre, I (1906), p. 364. 

 HOPKINSON in Irish Natur. 1910, pp. 3, 4. 

 Wailes & Pbitaed in Proc. R. Irish Acad. XXXI, Lxv (1911), 



p. 19. 

 Wailes in Scott. Natur. 1912, p. 61 ; in Jm. Linn. Soc, Zool. XXXII 



(1912), p. 126; loc. cit. (1913), p. 213; in Naturalist, 1913, p. 148. 

 Schmidt in Arch. Protist. XXIX (1913), p. 220. 

 Pleurophrys sphxrica 



Olapaeedb & Lachmastn litudes Inf. et Phiz. I, 2 (1859), p. 455, 



pi. xxii, f . 3. 

 Akchee P in Qrt. Jm. Micr. Sci. (n. s.) IX (1869), pi. xx, f. 1 ; op. cit. 



(N. s.) X (1870), pp. 77-20, 121 ; (n. s.) XYI (1876), p. 343 ; in Proc. 



Dubl. Micr. Ckib, I, 5 (1872), pp. 352-354, 389, pi. xiii, f. 1. 

 Hbrtwig & Lessee in Arch. mikr. Anat. X (1874), Suppl., p. 135, 



pi. iii, f . 4. 

 ScHULZE in Arch. mikr. Anat. XI (1875), p. 122. 

 Maggi in Rend. R. 1st. Lomb. (2) IX (1876), p. 543 ; in Atti Soc. 



Ital. XXI (1879), p. 319. 

 Etpbeth Einfach. Lebensf., ed. 2 (1886), p. 52. 

 POEEL Le Leman, III (1902), p. 173. 

 BuTLEE in Brit. Assoc. Handb. Dublin (1908), p. 219. 

 Pleurophrys amphitremoides 



Aechee in Qrt. Jrn. Micr. Sci. (n. s.) X (1870), pp. 20, 121, pi. xx, 



f. 2 ; in Proc. Dubl. Micr. Club, I, 5 (1872), pp. 365, 389, pi. xiii, 



f. 2. 

 ScHiTLZE in Arch. mikr. Anat. XI (1875), pp. 123-124, pi. vii, f. 1. 

 Allman in Jrn. Linn. Soc. XIII (1877), pp. 407-408. 

 Penaed in Mem. Soc. Geneve, XXXI, i, ii (1890), p. 170, pi. vii, ff. 



116-117 ; pi. viii, ff. 1-8 ; in Rev. Suisse Zool. IX (1901), p. 238. 

 Difflugia gracilis 



■ Eheenbbeg in Abh. Akad. Berhn, 1871 (1872), p. 264. 

 Plevrophrys angulata 



Meebschkotskt in Trudui S.-Peterb. Obshch. YIII (1878), p. 192, 



pi. ix, f. 14; in Arch. mikr. Anat. XYI (1879), pp. 192-193, pi. x, 



e. 14, 14 a. 

 Pseudodifflugia amphitremoides 



BuBTSCHLi in Bronn's Thien-eichs, I, 1 (1880), pi. iii, f. 14. 



