130 BRITISH FRESHWATER RH1ZOPODA. 



Cystophrys haeckeliana 

 ARCHER in Qrt. Jrn. Micr. Sci. (N. s.) IX (1860), p. 259, pi. xvii, ff. 



1,2; in Proc. Dubl. Micr. Club, I, 4 (1870), p. 201 ; op. cit. I, 5 



(1872), pp. 328-336, 380, pi. xi, ff. 1, 2. 

 Microyromia socialis 

 HERTWIG & LESSER in Arch. mikr. Anat. X, Suppl. (1874), pp. 1-34, 



pi. i. 

 ARCHER in Qrt. Jrn. Micr. Sci. (N. s.) XYI (1876), pp. 343-344; 



op. cit. (N. s.) XVII (1877), pp. 115-121, pi. viii, f. 8; in Proc. Dubl. 



Micr. Club, III, 2 (1878), pp. 134-135, 233-239, pi. viii, f. 8. 

 CIENKOWSKY in Arch. mikr. Anat. XII (1876), pp. 34-37, pi. vi, ". 



48-59. 

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



XXI (1879), p. 319. 



ALLMAN in Jrn. Linn. Soc. XIII (1877), pp. 400-403, f. 6. 

 CATTANEO in. Boll. Scient. I (1879), p. 7. 



BUETSCHLI in Bronn's Thierreichs, 1, 1 (1880), pi. iii, f. 15 a-d. 

 GRUBER in Biol. Centralbl. I (1881), p. 457. 

 PAROJSTA in Arch. Sci. nat. (3) X (1883), p. 238 ; in Boll. Scient. VI 



(1884), p. 56. 

 EYFERTH Einfach. Lebensf., ed. 2 (1885), p. 52, pi. iii, f. 28; ed. 3 



(1900), p. 270, pi. ix, f. 18. 



LANKESTER in Qrt. Jrn. Micr. Sci. (N. s.) XXV (1885), p. 71. 

 BLOCHMANN Mikr. Thierw. Siisswass. (1886), p. 15, pi. i, f. 34 ; ed. 2 



(1895), p. 19, pi. i, f. 26. 



LUDWIG in Leunis' Synopa. Thierk., ed. 3, II (1886), p. 1196, f. 1155. 

 BRADY in Jrn. R. Micr. Soc. 1887, p. 877. 

 ENTZ Stud. Protist. I (1888), pp. 138, 171. 

 DELAGE & HEROUARD Traite Zool. concrete, I (1896), pp. 113-114, 



ff. 146-149. 

 PARKER & HASWELL Text-book Zool. I (1897), p. 50, f. 32 ; ed. 2 



(1910), p. 50, f. 33. 



CALKINS Protozoa (1901), pp. 56, 92-93, ff. 24, 51. 

 CHAPMAN Foraminifera (1902), p. 69, pi. i, f. B. 

 PENARD Faune Rhiz. Leman (1902), p. 580, f. 76 (p. 572). 

 ZACHARIAS in Forschb. Plon, X (1903), p. 242 ; XI (1904), p. 198. 

 CASH in Jrn. Linn. Soc., Zool. XXIX (1904), pp. 218, 223. 

 CLATTS & GROBBEN Lehrb. Zool., ed, 7 (1904), p. 229. 

 HARTOG in Cambridge Nat. Hist. I (1906), pp. 59-60, f. 11. 

 PRANDTL in Arch. Protist. IX (1907), p. 3. 

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

 BROWN in Jrn. Linn. Soc., Zool. XXX (1910), p. 362. 

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

 SCHMIDT in Arch. Protist. XXIX (1913), p. 222. 

 Microgromia 



HOGG Microscope, ed. 15 (1898), p. 485, pi. xv, f. 3. 

 Microgromia socialis 



BUCK in Zeits. wiss. Zool. XXX (1877), pp. 21, 45. 



AVERINTZEFF in Trudui S.-Peterb. Obshch. XXXVI, n (1906), pp. 



81, 269. 

 SCHOUTEDEN in Ann. Biol. lacustre, I (1906), p. 362. 



Test small, sub-spherical or pyriform, symmetrical, 

 hyaline; without extraneous adhering particles, ter- 



