No. 2.] 



FRESH-WATER PROTOZOA. 



69 



Ophryoglena, 41, 47. 

 Opisthodon, 42. 

 Oxytricha, 57, 59. 

 Pamphagus, 13, 16. 

 Pandorina, 34, 37. 

 Paramecium, 41, 48. 

 Pelomyxa, 12, 14. 

 Peranema, 25, 28. 

 Peridinium, 39. 

 Peritricha, 39, 62. 

 Petalomonas, 25. 

 Phacotus, 33. 

 Phacus, 25, 27. 

 Phalansterium, 38. 

 Phascolodon, 42. 

 Phyllomitus, 29, 31. 

 Pinaciophora, 17. 

 Plakopus, 12. 

 Platoum, 14. 

 Platytrichotus, 57, 59. 

 Pleuromonas, 30, 42. 

 Pleuronema, 42, 50. 

 Pleurotricha, 57, 59. 

 Podophrya, 65, 66. 

 Polytoma, 32, 35. 

 Pompholyxophrys, 17. 

 Poteriodendron, 20. 

 Prorodon, 40, 45. 

 Protamoeba, 12. 

 Protospongia, 38. 

 Protozoa, 11. 

 Pseudochlamys, 12. 

 Pseudodifflugia, 13. 

 Psilotricha, 57. 

 Pyxidicula, 12. 

 Pyxidium, 63, 64. 

 Quadrula, 13, 15. 

 Rhabdomonas, 25. 

 Rhabdostyla, 63, 64. 

 Rhaphidiophrys, 17, 18. 

 Rhipidodendron, 34. 

 Rhizopoda, 11. 

 Rhyncheta, 65. 

 Rhynchomonas, 21, 23. 

 Salpingceca, 38. 

 Scyphidia, 62. 

 Solenophrya, 65. 

 Spathidium, 40, 44. 



Sphserophrya, 65. 

 Sphserastrum, 17. 

 Sphenomonas, 26, 29. 

 Spiromonas, 29, 31. 

 Spirostomun, 53, 55. 

 Spondylomorum, 34, 37. 

 Spongomonas, 34. 

 Stentor, 54, 55. 

 Stephanosphaera, 34. 

 Stichotricha, 56, 58. 

 Strombidiiim, 57, 62. 

 Stylochrysalis, 33. 

 Stylonychia, 60. 

 Suctoria, 11, 65. 

 Syncrypta, 34. 

 Synura, 34, 2,7- 

 Tetramitus, 33. 

 Tetraselmis, ^Z- 

 Tintinnidium, 54. 

 Tintinnus, 54. 

 Trachelius, 40, 46. 

 Trachelophyllum, 40, 45. 

 Trachelomonas, 25, 27. 

 Trepomonas, 32, 35. 

 Trichodina, 62, 63. 

 Trichogaster, 56. 

 Trichomastix, 2i'i} 36. 

 Trichophrya, 65. 

 Trinema, 13. 

 Trochilia, 42. 

 Tropidoscyphus, 26. 

 Urceolopsis, 25. 

 Urceolus, 25, 28. 

 Urnula, 65. 

 Urocentrum, 42, 51. 

 Uroglena, 21, 22,. 

 Uroleptus, 57, 58. 

 Uronema, 41, 49. 

 Urosoma, 57, 59. 

 Urostyla, 56, 58. 

 Urotricha, 40, 43. 

 Vaginicola, 62,- 

 Vampyrella, 17, 18. 

 Volvox, 34. 

 Vorticella, 63. 

 Zoothamnium, 63, 64. 

 Zygoselmis, 26. 



