26 BRITISH FRESHWATER RHIZOPODA. 



Test small, hyaline, oviform, slightly compressed ; 

 apex bearing a tuft of divergent spines 3 to 6 in 

 number; aperture circular, bordered by a single row 

 of 8 denticulated or pointed scales ; body-scales oval, 

 slightly imbricated, arranged in alternating longitu- 

 dinal rows ; nucleus small, with a single nucleole 

 placed posteriorly ; plasma and pseudopodia normal. 



Length 35-52 /A; breadth O5 to 0'6 of the length; 

 thickness 0'8 to 0'85 of the breadth; aperture 7 to 

 10/x; body-scales 7 to 9 /x long, 5 /u, wide; spines 12 

 to 17 /^ in length ; nucleus 4-6 /u, in diameter. 



Habitat. Mosses. 



ENGLAND. Isle of Man ; Yorkshire ; Derbyshire 

 (Brown) ; Shropshire ; Bedfordshire ; Cornwall. 



SCOTLAND. Inverness-shire, Aberdeenshire, Perth- 

 shire, Argyllshire, Isle of May, Ayrshire, and Wig- 

 townshire (Brown). 



IRELAND. Eoonah and Clare Island, Mayo; Kerry. 



8. Euglypha filifera Penard. 



(Plate XXXIV, figs. 6-8 ; PL XXXV, figs. 12 and 

 13 ; and fig. 117 in text.) 



Euglypha setigera 



PERTY (pars) Kenntn. kleinst. Lebensf. (1852), p. 187, p. viii, f. 19 a. 

 Euglypha ciliata 



LEIDY (pars) Freshw. Rhiz. N. Amer. (1879), pp. 215,216, pi. xxxvi, 



ff. 7, 11-13 ; pi. xxxvii, f. 28. 

 Euglypha filifera 

 PENARD in Mem. Soc. Geneve, XXXI, 1, n (1890), pp. 179-180, pi. ix, 



ff. 69-73; in Jahrb. nassau. Yer. Naturk. XLIII (1890), p. 71; 



Faune Rhiz. Leman (1902), p. 510, 4 figs. ; in Brit. Antarct. Exped. 



I (1911), pp. 220,236. 



ZSCHOKKE in Nouv. Mein. Soc. Helvet. XXXVII (1900), pp. 55, 56. 

 LEVANDER in Acta Soc. Fauna Fenn. XX (1900), viif. p. 12. 

 AVERINTZEFF in Trudui S.-Peterb. Obshch. XXXVI (1906), 11, p. 291. 

 SCHOTJTEDEN in Ann. Biol. lacustre, I (1906), pp. 366, 368, f. 43. 

 HEINIS in Arch. Hydrobiol. V (1910), p. 109. 

 BROWN in Ann. Scott. Nat. Hist. 1911, p. 229 ; in Naturalist, 1912, 



p. 181 ; in Scott: Natur. 1912, p. 112 ; 1913, p. 208. 

 WAILES & PENARD in Proc. R. Irish Acad. XXXI, LXV (1911), pp. 



17, 36, 40, 60, 61. 



EDMONDSON in Univ. Colorado Stud. IX (1912), p. 69. 

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



(1912), pp. 125, 160 ; loc. cit. (1913), p. 213; in Naturalist, 1913, p. 147. 



