Part first. 



Fig. 113. Pcniiaria Cavolinii. 

 p. 69. 



Fig. 114. Tubularia larynx. 

 p. 69. 



Fig. 115. Rdepora cdlulosa, 

 1/2 nat. size. p. 78. 



Fig. 116. Myriozoum truncatum. 

 1/0 nat. size. p. 7S- 



Fig. 117. Ettspougia officinalis 

 (Toilet sponge) attactied to 

 a stone. In its living state, 

 V2 nat. size. p. 62. 



Fig. 118. Tethya lynctiriuru 

 on a stone, p. 62. 



