BIBLIOGEAPHT OP FEESH-WATER RHIZOPODS. 319 



l¥allich, G. C. 



Subspecies 2. D. glohularis (Duj.). 

 Variety a. D. tubercfolata (Wal.). 

 D. acMZeato(Ehr.). 

 .D. corona (Wal.). 

 Subspecies 3. D. Aroella (_'Ebx.). 



4. D. marsupiformis (Wal.). 

 Variety a. b. cassia (Wal. ). 

 Species 2. Euglyplia alveolata (Duj.). 



Subspecies H. JEncTiehi8 = D. Enckelys (Ehr.) = Trinema acinus (Duj.). 

 Species 3. Euglypha margaritacea^ Cyphoderia margaritacea (SoMum.). 

 Variety? H. l>alUca=: Lagynis ialtiea (Sohnltze). 

 Difflugia glohularis, figs. 1, 3, 17, 21. =Dipi'i.ugia globulosa. 

 D. ma/rswpifortKis, figs. 3-5. = Difflugia consteicta. 

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

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

 D. PTEiFOKMis, figs. 9, 10 ; also fig. 12, specimen of the mitriform series. 

 D. acuminata, fig. 11 ; also figs. 12, 12o, 126, specimens of the acuminate seiiea. 

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

 Difflugia lagmiformis, figs. 15, 16. Difflugia urceolata. 

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

 D. corona, figs. 19, 20. 



X). aculeata, plain variety, fig. 22. =Centeopyxis ecoknis. 

 X). aouleata, fig. 23. = Centropyxis aculeata. 

 D. spiralis, figs. 24, 25. 



D. symmetrica, fig. 26. = Quadkula symmetrica. . 

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

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



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

 Difflugia, fig. 40. ^ Difflugia pyriformis. 

 Varieties of Euglyplta, flgs. 41-45. =Euglypha alveolata ? 

 Euglypha enckelys, figs. 46, 47. = Trinema bnchblys. 

 U. margaritacea, fig. 48. = Cyphodekia ampulla. 



On the Structure and AflSnities of the Polycystina. Quarterly Journal of Micro- 

 scopical Science, 1865, v. Transactions of the Microscopical Society of Lon- 

 don, 1865, xiii, 75. 



A classification of the Ehizopoda, 64. 

 The Amoeban, Actinoiihryan, and Difflugian Ehizopods. Monthly Microscopical 

 Journal, 1875, xiii, 210. 

 IVestoii, J. 



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

 1856, iv, 116, pi. ix, flgs. 3-7. 

 Wright, E. Percival. 



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

 Cystophrys Sasckeliana. = Pamphagus hyalinus ? 



Upright, T. S. 



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

 ]S'atural History, London, 1861, vii. 360. 



IVyman, J. 



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



