Plate IX. 



Pedicels of Brissopsis lyrifera Foubes 



V\^. 80. The tip of a filament from a plivlloclean ])edicel, side view. p. 45. 



Fig. 81. The same, end view, seen from above. 



Fig. 82. Optical section of the same, highly magnified. 



Fig. 83. Terminal part of a simple, ventral pedicel, p. 47. 



Fig. 84. The same of another specimen. 



Fig. 86. The top of a sub-anal pedicel, p. 48. 



Fig. 86. The disk of a frontal pedicel, p. 54. 



Fig. 87. Optical section of the margin of the same. 



Fig. 88. Pigment-cells from the same. 



Fig. 89. Optical section of an intra-laniellar part of the disk. 



Fig. 90. Longitudinal section of the wall of the tube of a frontal pedicel, p. 



55. 



