AM@BA LIMAX. 57 
8. Ameba limax Dujardin. 
(Plate ITI, fig. 1.) 
Amiba limae Dusarpin Infus. (1841), p. 235; Crevier in 
Nat. Canad. VII (1875), p. 276. 
Ameba limax Pzrrry Kenntn. kleinst. Lebensf. (1852), 
p. 188, t. vii, f. 12; Prircuarp Hist. Infus. new ed. 
(1852), p. 208, and ed. 4 (1861), p. 549, t. xxii, ff. 4, 5; 
AUERBACH in Zeits. f. wiss. Zool. VII (1856), p. 414, 
t. xxu, ff. 11-16; Carpenter Foram. (1862, Ray Soc.), 
p. 25; Tarem in M. Micr. Journ. I (1869), p. 852; Trin- 
cHEsE in Mem. Acc. Bologna, V (1875), p. 524; Gaza 
in Herausg. Ungar. Nat.-Mus. Budapest, I (1877), p. 165 ; 
Birscuu1 in Bronn’s Thier-Reichs, I, 1 (1880), t. u, f. 2; 
Mikr. Schiume (1892), p. 72, t.i, ff. 10, 11; and (Engl. 
transl.) Micr. Foams (1894), p. 106, t. ui, ff. 7, 8; Cooxz 
in J. Quek. Micr. Club, VI (1880), p. 105; Furtacar in 
Sci. Goss. 1880, p. 204, f. 184; Parona in Boll. Scient. I, 
an. 2 (1880), pp. 46, 48; Vespovsxy Thier. Org. Brunn. 
Prag (1882), p. 33, t.1,f.1; Carranzo in Boll. Scient. IT, 
an. 10 (1888), p. 93; Penarp in Mém. Soc. Phys. Genéve, 
XXXI, no. 2 (1890), p. 124, t. ui, ff. 1-5; in Arch. Sci. 
Phys. XXVI (1891), p. 187; in Rev. Suisse Zool. VII, 1 
(1899), pp. 18, 100; and Faune Rhiz. Léman (1902), 
p. 39, ff.; Zosa in Rend. R. Ist. Lomb. (2) XXIV (1891), 
p- 987; Scurewraxorr in Mém. Acad. Impér. Pétersb. (7) 
XLI, no. 8 (1893), p. 5; Detace and Hérovarp Zool. 
concer. I (1896), p. 93, f. 96; Ruumpier in Arch. f. 
Entwick. VII (1898), p. 118 (et passim), ff. 30, 31; 
CaLkins Prot. (1901), p. 80. 
Hyalodiseus limaw Buiocamann Mikr. Thierw. Stisswass. 
(1886), p. 10, t.i, f. 4, and ed. 2 (1895), p. 12, t. 1, £.2; 
Issex in Atti Soc. Ligust. XIT (1901), pp. 146, 149; 
Levanver in Acta Soc. Fauna Fenn. XX (1901), no. 6, p. 5. 
Saccameba limaw Frenze. Mikr. Fauna Argent. I, Prot. 4 
(1897), p. 147, in Bib]. Zool. IV. 
Body elongated, slug-hke, narrowed at the posterior 
extremity, where the plasma is more concentrated and 
rough, with a rounded protuberance, which in rapid 
movement develops a radiating fringe of very delicate 
substance. This fringed protuberance Penard regards 
as distinctive of the species. The body broadens 
