ILLUSTRATIONS TO THE SECOND VOLUME. FIG. PAGE 118. Galeolaria lutea (_Voght_) _frontispiece_ 86. Amœba princeps 14 87. Actinophrys sol 17 88. Acanthometra bulbosa } _to face_ 19 89. Eucyrtidium cranoides } (_Haeckel_)[A] _frontispiece to vol. i._ 90. Dictyopodium trilobum } _to face_ 20 91. Podocyrtis Schomburgi 20 92. Aulocantha scolymantha } _to face_ 21 93. Actinomma drymodes } (_Haeckel_) _to face_ 21 94. Haliomma echinaster } _to face_ 21 95. Simple Rhizopods 22 96. Gromia oviformis 26 97. Various forms of Foraminifera 28 98. Simple disk of Orbitolites complanatus 34 99. Animal of Orbitolites complanatus 34 100. Rosalina ornata (_Voght_) _to face_ 41 101. Section of Faujasina 45 102. Interior of the Operculina 46 103. Section of Sponge 59 104. Paramœcium caudatum 69 105. Kerona silurus 69 106. Noctiluca 73 107. Vorticellæ 76 108. Acineta 77 109. Thread-cells and darts 82 110. Hydra fusca 84 111. Syncoryna Sarsii with Medusa-buds 90 112. Thaumantia pilosella 92 113. Otolites of magnified Thaumantias 93 114. Development of Medusa-buds 95 115. Rhizostoma 98 116. Cydippe pileus and Beroë Forskalia 102 117. Praya diphys } _to face_ 103 118. Galeolaria lutea } (_Voght_)[B] _frontispiece_ 119. Apolemia contorta } _to face_ 108 120. Physophora hydrostatica } 109 121. The Physalia 112 122. Velella spirans (_Voght_) 115 123. Alcyonian polypes, highly magnified 120 124.