LIST OF ILLUSTRATIONS 
xvi 
FIG. PAGE 
60. Pelagic Diatoms (Cheetoceras, Planktoniella, and Bacte- 
riastrum) ‘ So ee a 196 
61. Tetraspores ‘ 3 . 206 
62. Chantransia covibafort serene 208 
63. Chetangium ornatum, and procarp a Sena jivecllais 211 
64. Choreocolax Polysiphonie and C. albus . eels 212 
65. Carpogonium of Naccaria hypnoides, and plant of Celi- 
dium corneum . : : -  « B15 
66. Stenogramme interruptu 1... o we i2li 
67. Callophyllis obtusifolia, cystocarp ‘ se a 218 
68. Hucheuma spinosum . ‘ ‘ . 220 
69. Catenella opuntia, carpogonium . . . 221 
70. Phacelocarpus Labillardierti and loan ae Graci- 
laria confervoides .  .  . ww ee, . 223 
71. Chylocladia kaliformis, carpogonium and young cysto- 
carp... re. ac oe | cis a arsaeds 225 
72. Plocamium elit Sogh ok oe — —» 227 
73. Champia parvula, germination of carpospore . én, 229 
74, Claudea elegans .. «1. . . Pare - 231 
75. Martensia elegans .. . 1... é 3 232 
76. Cliftonea pectinata . 234 
77. Dasya elegans, diagram of procarp for Bindnles or 
procarp of Polysiphonia é . 234 
78. Ceramium diaphanum and procarp of Cabernet . 236 
79. Gloiosiphonia capillaris, development of cystocarp « 237 
80. Gloiosiphonia capillaris, procarp . . ... - 238 
81. Dudresnaya, fertilisation.  ....... 2s + 239 
82. Polyides rotundus, fertilisation .. . .. 240 
83. Lithothamnion polymorphum ..  ... ‘ . 242 
84. Corallina mediterranea, antheridium. ....... 243 
85. C. mediterranea, tetraspores andcystocarp ... . 245 
86. Rivdaria hospita and Calothrix pulvinata , . 253 
87. Dermocarpa, sporangia, &c. es 259 
88. Hyella cespitosa . ma Lab oa ‘ 260 
