28 BRITISH FRESH WATE II RHIZOPODA. 



In the United States individuals up to 85 /x in length 

 are not rare, and 93 jju is sometimes attained. A small 

 form, var. pyriformis Wailes, which has a distinct neck, 

 occurs there ; also var. spinosa Wailes, which has long 

 spines all over the test. 



9. Euglypha strigosa (Ehrenberg) Leidy. 



(Plate XXXVI, figs. 1-6; PL XXXIX, figs. 1-4; and 

 fig. 120 in text.) 



Difflugia striyosa 



Ehbenbeeg in Abh. Akad. Berlin, 1871 (1872), pp. 143, 257, pi. lis, 



f. 31. 

 Difflugia Setigerella strigosa 



iBHEBNBBRG in Abb. Akad. Berlin, 1871 (1872), p. 247. 

 Euglypha strigosa 



Leidy in P'roc. Acad. Philad. 1878, p. 172 ; op. cit. 1880, pp. 336, 339. 



Paeona in Boll. Scient. II, pp. 47, 48. 



Maggi in Rend. R. 1st. Lomb. (2) XXI (1888), p. 301. 



Penard in Mem. Soc. Geneve, XXXI, 1, li (1890), p. 179, pi. ix, ff. 58- 



68 ; in .Jalirb. nassan. Ver. Naturk. XLIII (1890), p. 71 ; in Arch. 



Sci. nat. (4) YII (1899), p. 269 ; Panne Rbiz. Leman (1902), pp. 502- 



504, 5 figs.; in Arch. Protist. II (1903), p. 269; in Brit. Antarct. 



Exped. I (1911 , pp. 220, 236; in Denx. exped, antarct. fran?. (1911), 



pp. 4, 10. 

 Atbeintzeff in Trudui S.-Peterb. Obshcb. XXXVI, ii (1906), 



pp. 288-289. 

 ScHOUTEDBN in Ann. Biol, lacustre, 1 (1906), pp. 266. 367, f . 41. 

 Evans in Proc. R. Pbys. Soc. Edinb. XVII (1907), table 1. 

 Heinis in Zool. Anzeig. XXXIII (1908), p. 713 ; in Arcb. Hydrobiol. 



V (1910), p. 109; in Rev. Suisse Zool. XIX (1911), p. 255. 

 Bbown in Jrn. Linn. Soc, Zool. XXX (1910), p. 362 ; in Ann. Scott. 



Nat. Hist. 1911, pp. 229, 230; in Naturalist, 1912, p. 181; in 



Scott. Natur. 1912, p. 112; 1913, pp. 208, 210. 

 HOPKINSON in Irish Natur. 1910, p. 3. 

 Wailes & Penaed in Proc. R. Irish Acad. XXXI, lxv (1911), 



pp. 17,36,42, 60,62. 

 Edmondson in Univ. Colorado Stnd. IX (1912), p. 69. 

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



(1912), pp. 125, 149, 160; Inc. cit. (1913), p 213; in Murray's Nat. 



Hist. Bolivia and Peru (1913), pp. 32, 37 ; in Naturalist, 1913, p. 148. 

 Euglypha ciliata va-r. strigosa 



Leidy (pa.rs) Freshw. Rliiz. N. Amer. (1879), pp. 216, 290, pi. xxxv, 



f. 20. 

 AvEEiNTZEFi? in Trudui S.-Peterb. Obshch. XXX (1900), i, p. 249. 

 West in Jrn. Linn. Soc, Zool. XXVIII (1901), p. 327. 



Test of medium size, broadly oviform or pyriform, 

 compressed, ciliated ; transverse section elliptical ; 

 aperture circular, bordered by 10 to 14 denticulated, 



