Part 6

94, 95, 96. Medusæ buds of Fig. 93 71

97. Young Medusa just freed from the Hydroid 71

98. TUBULARIA COUTHOUYI (Agassiz) 72

99. Cluster of Medusæ of Fig. 98 (Agassiz) 72

100. Female colony of HYDRACTINIA POLYCLINA (Agassiz) 73

101. Male colony of the same (Agassiz) 73

102. Unsymmetrical Medusa of HYBOCODON PROLIFER (Agassiz) 74

103. Medusa bud of Hybocodon (Agassiz) 74

104. Hybocodon Hydrarium (Agassiz) 74

105. DYSMORPHOSA FULGURANS 75

106. Proboscis of Fig. 105 with young Medusæ 75

107. Young NANOMIA CARA 76

108. Nanomia with rudimentary Medusæ 76

109. Nanomia somewhat older than Fig. 108 77

110. Heart-shaped swimming bell of Nanomia 77

111. Cluster of Medusæ with tentacles having pendent knobs 78

112. Magnified pendent knob 79

113. Medusa with corkscrew-shaped tentacles 79

114. Medusa with simple tentacle 80

115. Adult Nanomia 81

116. Oil float of Nanomia 82

117. PHYSALIA ARETHUSA (Agassiz) 83

118. Bunch of Hydræ (Agassiz) 84

119. Cluster of Medusæ (Agassiz) 86

120. VELELLA MUTICA (Agassiz) 84

121. Free Medusa of Velella (Agassiz) 84

122. PTYCHOGENA LACTEA 86

123. Ovary of Ptychogena 87