EUGLYPHA COMPRESSA. 39 



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



17, 39-40, pi. iii, f. 18 a, b. 

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



(1912), pp. 125, 144, 160; loc. cit. (1913), p. 213; in Naturalist. 1913, 



p. 147. 

 Euglypha ampullacea 



HERTWIG & LESSER in Arch. mikr. Anat. X (1874), Suppl., pp. 123- 



124,] 32, pi. iii, f. 6. 

 ARCHER in Qrt. Jm. Micr. Sci. (N. s.) XVII (1877), p. 203, pi. xiii, 



f. 7 ; in Proc. Dublin Micr. Club, III, 3 (1880), p. 273, pi. x, f. 7. 

 EYFERTH Einfach. Lebensf. (1878), p. 34; ed. 2 (1885), p. 52. 

 BLOCHMANN Mikr. Thierw. Siisswass (1886), pp. 13-14 ; ed. 2 (1895), 



p. 17. 



FRANCE in Res. Erforsch. Balatons. II (1897). i, p. 10. 

 AVERINTZEFP in Trudui S.-Peterb. Obshch. XXX (1900), I, p. 249; 



op. cit. XXXYI (1906), n, pp. 289-290. . 

 MURRAY in Proc. Roy. Soc. Edinb. XXV (1905), p. 615. 

 SCHMIDT in Arch. Protist. XXIX (1913), p. 220. 

 Euglypha ciliata 



LEIDY (pars) Freshw. Rhiz. N. Amer. (1879), p. 216, pi. xxxvi, ff. 1-6, 



15 ; pi. xxxvii, f . 29. 



PENARD (pars) in Mem. Soc. Geneve, XXXI (1890), 11, pl f ix, ff. 49-53. 

 DADAY (pars) in Zoologica, XVIII, XLIV (1905), p. 19. 

 Englypha n 



VEJDOVSKY (pars) Thier. Org. Brunnenw. Prag (1882), p. 38, pi. ii, 



f . i A, B. 



? Euglypha zonata 

 MAGGI in Rend. R. 1st. Loinb. (2) XXI (1888), p. 310, pi., f. 7. 



Test large, broadly oviform, truncate, considerably 

 compressed ; transverse section lenticular with acute 

 margins ; aperture elliptical, bounded by a single row 

 of bluntly-denticulated or lobed scales ; test furnished 

 with spines on the margin only, arising at regular 

 intervals either singly or in tufts of two or three ; 

 body-scales oval, large ; nucleus large, containing 

 several nucleoles ; plasma and pseudopodia normal. 



FIG. 125. Forms of aperture-scales of Euglypha compressa. x 1000. 



Length 70-1 32 p.; breadth 40-80 /u,; aperture 18- 

 28 /u; thickness 20-45 /x; body-scales 9-12 /x in length; 

 spines 5-35 p in length. 



Habitat. Sphagnum and aquatic vegetation. 

 ENGLAND. Durham ; Cumberland, Westmorland, 



