EUGLYPHA. 7 



DIVISION II. Spines when present not modified scales. 

 Transverse section of test elliptical. 



SECTION A. Aperture circular. 



Test bearing a few long marginal spines; length 55-70 /u. 



(8) Kfilifera. 



Test usually ciliated ; aperture-scales thickened ; length 

 45-100 j. (9) E. strigosa. 



Test glabrous ; aperture-scales not thickened ; length 22 

 52 ^ (10) E. rotunda. 



SECTION B. Aperture oval. 



Test glabrous ; aperture-scales pointed ; length 22-25 p. 



(11) E. Isevis. 



Test usually ciliated ; aperture-scales not thickened ; 

 length 40-90 j u. (12) E. ciliata. 



Test lenticular in tr;msver?e section ; spines confined to 

 the margins ; length 70-132 p. (13) E. compressa. 



Test glabrous; ovoid in broad view, occasionally unsym- 

 metrical ; aperture small, unevenly denticulated ; length 

 23-49 /^. (14) E. denticulata. 



1. Euglypha scutigera Penard. 

 (Plate XXXIII, figs. 1 and 2, and fig. Ill in text.) 



Euylypha scutigera. 



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



pp. 41-42, pi. iv, f. 20. 

 WAILES in Naturalist, 1913, p. 147. 



Test of medium size, glabrous, oviform, not com- 

 pressed ; aperture circular, bordered by two rows of 

 finely-serrated scales, ten to twelve in each row ; body- 

 scales scutiform ; plasma and pseudopodia normal. 



Length 75-90 /A ; diameter 45-55 /A ; aperture 

 14-20 /A in diameter; scales 11-12 ^ in length, 8-10 /u- 

 in breadth. 



Habitat. Sphagnum and submerged vegetation. 



ENGLAND. Pilmoor, N. Yorkshire; Wicken Fen, 

 Cambridgeshire (West). 



This species was first described in 1911 from 

 specimens found in Switzerland ; in Britain it appears 

 to be very rare. 



