PLATE 24.— Infusoria. 



Figure 



1. Euglena pyrum, ^. 



2. Euglena viridis, E. a,b, in different states of contraction and extension. 



3. Euglena longicauda, E. [Phacus longicauda, D.), with the body twisted. (Fig. 63, the 



same, after Duj.; the body flat.) 



4. Euglena acus, E., undergoing longitudinal division. 



5. Euplotes patella, D. a, under view; b, lateral view. 



6. Euplotes vannus, E., under view. 7- GastroclicBta fissa, D. 

 8. Glaucoma scintillans, E. 9. Peridinium cinctum, E. 



lOa, h. Glenodinium cinctum, E.; 10 c (between figs. 49 & 50), Glenodinium apiculatum, E. 

 11. Peridinium fuscum,^. 12. Peridinium tripos, Yi. 



13. Peridinium fusus, E. 14. Glenomorum ting ens, E. 



15. Gromia jiuviatilis, D., with its expansions extended. 



16. Trichodina iJediculus, Ya. «, side view; 6, under view. 



17. Heteronema marina, D. 18. Himantophorus charon, E., under view. 

 19. Himantophorus charon, E., side view. 20. Hexamita nodulosa, D. 



21. Holophrya brunnea, D. 22. Holophrya ovum, E. 



23. Ichthydium p)odura, E. 24. Chcetonotus larus, E. 



25. Colpoda cucullus, E. 26. Kerona pustulata,T).{Stylonichia p.,^.). 



27. Kerona mytilus, D. {Stylonichia m., E.), under view. 



28. Kerona mytilus, D. [Stylonichia m., E.), side view. 



29. Stylonichia histrio, E., under view. 



30. Stylonichia lanceolata, E. a, under view ; b, side view. 



31. Kondylostoma patens, \).,\x\iAev Vxtw. 



32. Kondylostoma patens, D., half side view. 



33. Trachelocerca viridis, ^. 34. Amphileptus papillosus,!^. 



35. Lagenella euchlora, E. 36. Cryptomonas [Lagenella, E.) injlata, D. 



37. Leucophrys striata, D. 



38. Leuco^jhrys patula, E. a, dorsal, 5, ventral surface. 



39. Loxodes rostrum, E. {Pelecida rostrum, D.) 



40. Loxodes dentatus, D. 41. Loxodes bursaria, E., under view. 



42. Loxophyllum {Amphileptus, E.) meleagris, 0. «, dorsal view ; 6, anterior portion twisted. 



43. a, Microglena punctifera, E. ; b, M. monadina, E. 



44. a, Monas lens, D.; b, the same (?) with two anterior cilia; c, M. attenuata, D. 



45. Nassula elegans, E.; b, teeth. 46, Nassula aurea, E. 



47. Opalina (Bursaria, E.) ranarum, Purk. and Val. 



48. Ophrydium versatile, E. ; portion expanded by compression. 



49. Ophrydium versatile, E. ; marginal portion, in the natural state. 



60. Ophrydium versatile, 'E.; isolated body. 



51. Ophryoglena atra, E. 52. Oxytricha pellionella, D. 



53. Oxytricha gibba, E., side view. 54. Oxyrrhis marina, D. 



55. Panophrys chrysalis, D. 56. Paramecium aurelia, E., dorsal view. 



57. Paramecium aurelia, B., side view. 58. Pantotrichum lagenula, E. 



59. Peranema globulosa, D. 60. Phialina vermicularis, E. 



61. Phialina viridis, E. 62. Phacus [Euglena, E.) pleuronectes, J). 

 63. Phacus [Euglena, E.) longicauda, D. 64. Plagiotoma lumbrici, D. 



65. Planariola rubra, D. 66. Pleurojiema chrysalis, D. 



67. Plaotia vitrea, D. 68. Polyselmis viridis, D. 



69. Polytoma uvella, E. 70. Prorocentrum micans, E. 



71. Prorocentrum micans, E., side view. 72. Prorodon teres, E. 



73. Prorodon teres, E., teeth. 74. Scyphidia rugosa, E. 



75. Spathidium hyalinum, D. [Leucophrys spathula, E.) 

 /6. Spathidium hyalinum, D. ; anterior part twisted. 

 /7- Spirostomum ambiguum, E. 

 78. Spirostomum ambiguum, E.; posterior end more magnified- 



