EUOLYPHA L^EVIS. 33 



LEVANDER in Atti. Soc. Ligust. Ill (1892), p. 145. 



LONGI in Atti. Soc. Ligust. Y (1894), pp. 18-19. 



FOREL Le Leman, III '(1904), p. 137. 



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



293-294; in Zool. Anzeig. XXXI (1907), p. 245. 

 SCHOUTEDEN in Ann. Biol. lacustre, I (1906), pp. 367, 368. 

 THIEBAUD in Ann. Biol. lacustre, III (1908), pp. 66, 121. 

 HEINIS in Zool. Anzeig. XXXIII (1908), p. 713; in Arch. Hydrobiol. 



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

 KOFOID in Bull. Illinois Lab. YIII (1908), p. 112. 

 COCKERELL in Univ. Colorado Stud. YI (1909), p. 306. 

 BROWN in Ann. Scott. Nat. Hist. 1911, pp. 229, 230 ; in Naturalist, 



1912, p. 181 ; in Scott. Natur. 1912, p. 112 ; 1913, pp. 208, 210. 

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



17, 40-41, 60, 61. 



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

 WAILES in Scott. Natur. 1912, p. 61 ; in Trans. Liverp. Biol. Soc. 



XXVI (1912), p. 20; in Jrn. Linn. Soc., Zool. XXXII (1912), 



pp. 125, 144, 160 ; loc. cit. (1913), p. 213 ; in Murray's Nat. Hist. 



Bolivia and Peru (1913), p. 27 ; in Naturalist, 1913, p. 147. 

 Euglypha alveolata 



LEIDY (pars) Freshw. Rhiz. N. Amer. (1879), p. 209, pi. xxxv, ff. 11-13. 

 Euglypha y 



VEJDOVSKY Thier. Org. Brunnenw. Prag (1882), p. 39, pi. ii, f. 1 y, h. 



Test small, oviform, glabrous ; transverse section 

 elliptical to sub-circular; aperture elliptical to sub- 

 circular, bordered by a single row of pointed scales; 

 body-scales oval, slightly imbricated; nucleus containing 

 a single nucleole ; plasma and pseudopodia normal. 



FIG. 122. Aperture-scales of Euglypha laevis. x 1000. 



Length 22-55 ju; breadth 12-30 /x; aperture 5-1 5 /u, ; 

 thickness 8-26 p. 



Habitat. Mosses and sphagnum. 



ENGLAND. Generally distributed inland ; also Isle 

 of Man ; Isle of Wight ; Scilly Islands. 



WALES. General in North Wales. 



SCOTLAND. Generally distributed inland ; also Shet- 

 lands; St. Kilda (Brown), Outer Hebrides; Isle of 

 May (Brown}. 



IRELAND. Armagh ; Clare Island and mainland, 

 Mayo ; Gal way ; Kerry. 



VOL. III. 3 



