LIST OF THE WOOD-CUTS. 



gassiz) 



83. Young Hydrarium .... 



84. Dtnamena pumila 



85. Magnified portion of Fig. 84 . 



86. Dyphasia rosacea 



87. Medusa of Lafcea .... 



88. Colony of Coryne mirabilis (Agassiz) 



89. Magnified head of Fig. 88 (Agassiz) 



90. Free Medusa of Coryne (Agassiz) 



91. TURRIS VESICARIA . . . , . 



92. BOUGAINVILLIA SUPERCILIARIS 



93. Hydrarium of Bougainvillia . 



94. 95, 96. Medusfe buds of Fig. 93 . 



97. Young Medusa just freed fi-om the Hydroid 



98. TuBULARiA CouTHOUYi (Agasslz) . 



99. Cluster of Medusae of Fig. 98 (Agassiz) 



100. Female colony of Hydractinia polyclina (Agassiz) 



101. Male colony of the same (Agassiz) 



102. Unsymmetrical Medusa of Hybocodon prolifer (A, 



103. Medusa bud of Hybocodon (Agassiz) 



104. Hybocodon Hydrarium (Agassiz) 



105. Dysmorphosa fulgurans 



106. Proboscis of Fig. 105 with young Medusas 



107. Young NanoiMia cara .... 



108. Nanomia with rudimentary Medusse . 



109. Nanomia somewhat older than Fig. 108 . 



110. Heart-shaped swimming bell of Nanomia . 



111. Cluster of Medusae with tentacles having pendent knobs 



112. Magnified pendent knob 



113. Medusa with corkscrew-shaped tentacles 



114. Medusa with simple tentacle 



115. Adult Nanomia 



116. Oil float of Nanomia . 



117. Physalia Arethusa (Agassiz) 



118. Bunch of Hydrte (Agassiz) 



119. Cluster of Medusse (Agassiz) . 



120. Velella mutica (Agassiz) . 



121. Free Medusa of Velella (Agassiz) 



122. Ptychogena lactea . 



123. Ovary of Ptychogena 



124. Synapta tenuis .... 



125. Anchor of Synapta 



126. Caudina arenata 



127. Cuvieria squamata . 



128. Young Cuvieria 



129. Cuvieria somewhat older than Fig. 128 



130. Pentacta frondosa .... 



