PLATE XXXI. 



Pias. 



1-4. Hyalospheiiia cuneata Stein, (p. 83) Figs. 1^ 2. — 

 Broad and narrow lateral views of a living indi- 

 vidual. After G. S. West, x 400. Figs. 3, 4.— 

 Narrow lateral and dorsal views of test. After 

 Penard. x 520. 



5,6. M. inconxpicua G.ti. West. (p. 84) Broad and narrow 

 lateral views. After West, x 520. 



7, 8. H. platystoma G. S. West. (p. 86) Broad and narrow 

 views of a living example. After West, x 520. 

 9-12. E. suhflava Cash. (p. 87) Figs. 9-11.— Broad and 

 narrow views and form of mouth of an individual 

 from Irlam Moss, Lancashire. Fig. 12. — An empty 

 test from Towyn, N. Wales, x 280. 

 13, 14. H. elegans Leidy. (p. 89) Broad and narrow views 

 of an unusually fine test from Knutsford Moor, 

 Cheshire, x 450. 

 15-18. Nebela americana Taranek. (p. 115) Figs. 15, 16. — 

 Broad and narrow views of an empty test from 

 Towyn, 1904. Figs. 17, 18. — Broad views of two 

 examples of a smaller form from Tan-y-Bwlch, 1908. 

 X 280. 



19. Leptochlamys ampuUacea G-. S. West. (p. 146) A 



living individual from Llyn-y-cwm-ffynon, Glyder 

 Fawr, N. Wales. After West, x 520. 



20. Amphizonella violacea Greeff. (p. 156) After Greeff . 



X about 140. 

 21—23. Gochliopodium digitatum (Greefi) Calkins, (p. 148) 

 An individual in difEerent states of activity. Dun- 

 ham, Cheshire, x 480. 



