LITTLE-KNOWN BRITISH RHIZOPODS. 85 



1911. Penard, E. — British Antarctic Expedition Reports, vol. i, pt, vi. 



" Rhizopodes d^eau douce.'''' 

 1901. West, G. S. — " On some British Freshwater Rhizopods and Heliozoa," 



in Journ. Linn. Soc, Zool. xxviii. pp. 308-342, pis. 28, 29. 



EXPLANATION OF PLATE 9. 



Figs. 1 & 2. Cochliopodiu7n (^i-anulatuni, 'PeiVAvd. X 300. Fig. 1 shows the animal extended 

 and fig. 2 shows it retracted almost within the test. Fig. 1 a is part of the test in 

 optical section (more magnified). 



Figs. 3 & 4. Nehela harhata^ Leidy. X 400. Fig. 3 shows au individual in surface view 

 and fig. 4 in optical section. Blea Tarn. 



Figs. 5-8. Nebela scotica, sp. nov. X 380. Fig. 5 shows an active individual ; fig. 6 an 

 encysted animal in optical section : fig. 7 is the side view of au empty test in 

 outline. Fig. 5 a is the mouth region of fig. 5, X 820 ; figs. 8 a and 8 h are portions 

 of the test of two individuals, x 820. Ben Ledi. 



Figs. 9-13. Ca-psellina timida, sp. nov. x 640. Fig. 9 is the side view of au active 

 individual; fig. 10 is the semi-side view of the same; fig. 11 shows an individual 

 (which had been hept for some time) contracting from the test; fig. 12 is a small 

 specimen with open lips (from Lodore) ; fig. 13 is the mouth region of an individual 

 with highly vacuolated protoplasm, x 1000. All except fig. 12 from Ecclesall 

 (Sheffield).' 



Figs. 14-lo. Euglypjha bryophila, sp. nov. X 530. Fig. 14 is the broad view and tig. 15 

 the narrow view of an active animal. Fig. 14 a shows the inner face of a " mouth 

 scale." Glen App. 



Figs. 16-18. Placocysta jurassica, Penard. Fig. 16 is an empty test, x 530. Fig. 17 shows 

 the mouth region, X 825, and fig. 18 a portion of the test, X 825. Near Harrop 

 Tarn. 



Fig. 19. Sphejiodefia macrolepis, Leidy. X 920. Side view of an empty test. Stanraer. 



