BUGLYPHA. 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 ju. 



(8) B.filifera. 



Test usually ciliated ; aperture-scales thickened ; length 

 45-100 /i. (9) E. strigosa. 



Test glabrous ; aperture-scales not thickened ; length 22- 

 52 fx. (10) E. rotunda. 



Section B. — Aperture oval. 



Test glabrous ; apertnre-scales pointed ; length 22-25 fi. 



(11) E. Isevis. 



Test usually ciliated ; aperture-scales not thickened ; 

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



Test lenticular in tmnsverf e section ; spines confined to 

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



. Test glabrous; ovoid in broad view^ occasionally unsym- 

 metrical ; aperture small, unevenly denticulated ; length 

 23-49 ju. (14) E. denticulata. 



1. Euglypha scutigera Penard. 

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



Euylypha scuHgera. 



Wailes & Pjenard in Proc. R. Irish Acad., XXXI, Lxv (1911), 



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

 Wailbs 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 fi,; diameter 45-55 ix; aperture 

 14-20 ju, in diameter ; scales 11-12 jjl in length, 8-10 /x, 

 in breadth. 



Habitat. — Sphagnum and submerged vegetation. 



England. — Pilmoor, N. Yorkshire; Wicken Pen, 

 Cambridgeshire {West). 



This species was first described in 1911 from 

 specimens found in Switzerland ; in Britain it appears 

 to be very rare. 



