PLATE XXXVII. 



Figs. 1-4.— EUGLYPIIA CRISTATA. 1,000 din motors. 



Fig. 1. Lateral view of an empty shell. Absecom pond, New Jersey, March, 1876. 

 Fig. 2. Lateral view of a, specimen from sphagnum, Mount Vernon, Ala., February, 1875. 

 Fig. 3. Individual, with retracted sarcode. Absecom, N. J., October, 1874. 

 Fig. 4. Specimen, with retracted sarcode. With preceding. 



Figs. 5-10.— EUGLYPHA BEACHIATA. 



Fig. 5. Outline of a shell (from a living specimen). Ooze of Batsto River, Atco, N. J. 500 

 diameters. May, 1878. 



Fig. 6. Lateral view of an empty shell. Atco, N. J., April, 1877. 500 diameters. 



Fig. 7. Individual with sarcode, in the act of forming an operculum. At the fundus there is seen, 

 on each side of the nucleus, an accumulation of plates like those of the shell. Sphagnum of Absecom, 

 N. J., October, 1877. 666 diameters. 



Fig. 8. Outline of a shell. Batsto River, Atco, N. J., May, 1878. 500 diameters. 



Fig. 9. Lateral view of a shell. Atco, N. J. 500 diameters. 



Fig. 10. Individual, with retracted sarcode. With the last. 



Figs. 11-14.— EUGLYPHA MUCRONATA. 



Fig. 11. Lateral view of a shell. Sphagnum of Atco, N. J. 500 diameters. 



Fig. 12. Lateral view of a shell. Absecom pond, September, 1875. Two others observed at- 

 tached mouth to mouth, but empty. Also three similar ones from sphagnum of Absecom Creek, N. J. 



Fig. 13.. Individual with two spines to tho fundus of the shell. The sarcode encysted, and en- 

 closed in an egg-like case ; and the. mouth of the shell closed by a thick operculum. 360 diameters. 

 Sphagnum of Absecom, N. J., June, 1876. 



Fig. 14. A similar specimen, but with the encysted sarcode enclosed in a double envelope. 500 

 diameters. Sphagnum of Atco swamp, on borders of Batsto River, May, 1878. 



Figs. 15-27— ASSULINA SEMINULUM. From Sphagnum of Absecom, N. J. 



Fig. 15. Broader side view of an empty shell. Fig. 16. Outline of the narrower side view. Fig. 

 17. Transverse section with the mouth. 500 diameters. 



Fig. 18. Broader side view of a living specimen ; the sarcode with protruding pseudopods. Sep- 

 tember, 1875. 



Figs. 19, 20. Two lateral views of a living individual. October, 1874. 



Figs. 21-23. Three views of the same individual. 



Fig. 24. Broader side view of an empty shell. 



Fig. 25. Broader side view of a living specimen. September, 1875. 



Fig. 26. Small colorless individual. The shell filled with sarcode. Tho plates of the shell wero 

 evident but indistinct. August, 1876. 



Fig. 27. Outline view of a shell, magnified 666 diameters. 



Figs. 28. 29.— EUGLYPHA CILIATA 



Fig. 28. An empty shell, broader side view. 500 diameters. Sphagnum of Absecom, N. J. 



Fig. 29. Broader side view, from a living specimen. The sarcode contained, in the vicinity of the 

 nucleus, an inverted zone of denticulate plates like those of the mouth of the shell. 500 diameters. 

 Sphagnum of Absecom, N. J., June, 1877. 



Figs. 30, 31.— EUGLYPHA STEIGOSA. 



Two empty shells, compressed forms. 500 diameters. Sphagnum of Absecom, N. J., October, 1875. 



