Bull. U. S. F. C. 1902. 
Plate 1 2. 
Pigs. 76-80. Cucumaria frondosa. — 76. Two pieces of calcareous ring ( x 5). 77. Madrepore plates ( x 10). 78. Perforated 
plates from skin (x 156). 79. Perforated plates from near base of tentacles (x 156). 80. Perforated plates from near 
cloacal opening (x 45). 
Pigs. 81-85. Cucumaria pulcherrima. — 81. Two pieces of calcareous ring (x 5). 82. Madrepore plate ( x 10). 83. Calcare- 
ous plates from cloaca ( x 156). 84. Tables from body wall ( x 156). 85. Particles from tentacles ( x 156). 
Figs. 86-90. Thyme unisemita. — 86. Two pieces of calcareous ring ( x 5). 87. Madrepore plate (, 10). 8.8. Supporting 
rods from tentacles ( x 156). 89. Perforated plates from body wall ( x 156). 90. Supporting rods from pedicels ( x 156). 
