BIBLIOGRAPHY OF FRESH WATER RHIZOPODS. 319 



Wallich, G. €. 



Subspecies 2. D. globularis (Duj.). 

 Variety a. D. tubcrculata (Wal.). 

 D. aculcata (Ehr.). 

 D. corona (Wal.). 

 Subspecies 3. D. Arcella (Ebr.). 



4. D. marsupiformis (Wal.). 

 Variety a. D. cassia (Wal.). 

 Species 2. Euglypha alreolata (Duj.). 



Subspecies E. Enchclys = D. Enchehjs (Ehr.) = Trincma acinus (Duj.). 

 Species 3. Euglypha margaritacea = Cyphoileria margaritacea (Schlum.). 

 Variety? E. baltica = Lagynis balUca (Scbultze). 

 Difflugia globularis, figs. 1, 2, 17, 21. =Difflugia globulosa. 

 D. marsupiformis, figs. 3-5. = Difflugia constricta. 

 D. cassis, fig. 6. = Difflugia constricta. 

 D. mitriformis, figs. 7, 8. = Difflugia acuminata ? 

 D. pyriformis, figs. 9, 10; also fig. 12, specimen of the mitrifomi series. 

 D. acuminata, fig. 11 ; also figs. 12, 12a, 126, specimens of the acuminate seriea. 

 Oblong variety, figs. 13, 14. =D. globulosa. 

 Difflugia lagcniformis, figs. 15, 16. Difflugia urceolata. 

 D. tubcrculata, fig. 18. =D. globulosa? 

 D. coron\, figs. 19, 20. 



D. aculcata, plain variety, fig. 22. =Centropyxis ecornis. 

 D. aculcata, fig. 23. =Centropyxis aculeata. 

 D. spiralis, figs. 24, 25. 



D. symmetrica, fig. 26. = Quadrula symmetrica. 

 Transition forms, figs. 27-33. = Nebela collaris. 

 Difflugia Arcella, figs. 34-38. = Arcella vulgaris, 



Two Difflugias in conjugation, fig. 39. =D. pyriformis and D. globulosa. 



Difflugia, fig. 40. = Difflugia pyriformis. 



Varieties of Euglypha, figs. 41-45. =Euglypha alveolata ? 



Euglypha enchclys, figs. 46,47. =Trinema enchelys. 



E. margaritacea, fig. 48. =Cyphoderia ampulla. 



^On the Structure and Affinities of the Polycystina. Quarterly Journal of Micro- 

 scopical Science, 18G5, v. Transactions of the Microscopical Society of Lon- 

 don, 18G5, xiii, 75. 



A classification of the Rhizopoda, 64. 

 i/The Amoeban, Actinophryan, and Difflugian Rhizopods. Monthly Microscopical 

 Journal, 1875, xiii, 210. 

 Weston, J. 



On the Actinophrys Sol. Quarterly Journal of Microscopical Science, London, 

 1856, iv, 11G, pi. ix, figs. 3-7. 

 Wright, E. PerciTal. 



Quarterly Journal of Microscopical Science, x, 1870, 305. 

 Cystophrys Bacckcliana. = Pamphagus hyalinus ? 



Wright, T. S. 



On the Reproductive Elements of the Rhizopoda. The Annals and Magazine of 

 Natural History, London, 1861, vii. 360. 

 y Wj man, J. 



On Amoeba. Proceedings of the Boston Society of Natural History, 1862, ix, 281. 



