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Page. 
Figs. 28-34 . — Tsenia saginata: 
28. Section of beef tongue infected with larvae 27 
29. Strobila. Natural size 28 
30. Heads. Enlarged 29 
31. Abnormal segments 29 
32. Ventral view of sexually mature segment, enlarged to show the anatomy. 29 
33. Gravid segment. Enlarged 30 
34. Egg. Enlarged * 30 
Figs. 35-38 . — Tsenia saginata abieiina: 
35. Portion of strobila. Natural size 31 
36. Gravid segment. Natural size 32 
37. Gravid segment. Enlarged 32 
38. Egg. Enlarged 32 
Figs. 39-51. — Tsenia, africana: 
39-42. Portions of strobila 33 
43. Apex view of head. Enlarged 33 
44. Lumen of sucker. Enlarged 33 
45. Diagram of mature segment, enlarged to show anatomy 34 
46. Transverse section of marginal portion of segment. Enlarged 34 
47. Transverse section at another point 34 
48. Frontal section of gravid segment. Enlarged 35 
49. Vagina. Enlarged 35 
50. Cirrus pouch. Enlarged 35 
51. Egg. Enlarged 35 
Figs. 52-53. — Tsenia hominis: 
52. Head. Enlarged 36 
53. Transverse section of same 36 
Figs. 54-61 . — Tsenia solium: 
54. Isolated bladder worm. Enlarged 37 
55. Portion of strobila. Natural size 38 
56. Hooks from head. Enlarged 40 
57. Mature segment, enlarged to show anatomy 40 
58. Segment with half-developed uterus. Enlarged 40 
59. Gravid segment. Enlarged 40 
60. Egg. Enlarged 41 
61. Half of hog, showing portions most likely to become infected with 
Cysticercus cel >losse 41 
Figs. 62-65. — Tsema pisiformis : 
62. Strobila. Natural size 42 
63. Head. Enlarged 42 
64. Apex view of head. Enlarged 43 
65. Portion of mesentery of rabbit infected with C s icercus pisiformis 43 
I igs. 66-67. — Tsenia teniseformis: 
66. Head. Enlarged 44 
67. Larva. Natural size 44 
Figs. 68-73 . — Tsenia confusa: 
68. Portions of strobila. Natural size 45 
69. Mature segment, enlarged to show anatomy 45 
70. Transverse section of same. Enlarged 46 
71. Transverse section of pore region of same. Enlarged 46 
72. Gravid segment. Enlarged 47 
73. Onchosphere 47 
