MARINE BIOLOGICAL STATION AT PORT ERIN. 55 



FIG. 



72. Ophiothrix pentaphyllum , off Bay Fine, Aldrick, 



Spanish Head, etc. 



73. Ocnus brunneus, off Port Erin and Spanish Head. 



74. Thy one papulosa, off Castles, Port Erin, 15 fms. 



75. Thyonefusus, off Port Erin, 20 fms. 



76. Thyone raphanus, off Port Erin, 20 fms. 



77. Cucumaria liyndmanni, off Port Erin, 20 fms. 



78. Echinus esculentus, generally distributed on rocky 



ground. 



79. Echinus miliaris, off Port Erin Breakwater, and Bay 



Fine. 



80. Echinocyamus pusillus, off Bay Fine, Aldrick and 



Halfway Kock. 



81. Spatangus purpureus, off Port Erin, 15 fms, and off 



Aldrick, 18 fms. 



82. Echinocardium flavescens, one mile off Bradda Head, 



15 fms. 



83. Antedon bifida (=rosacea) , off Castles, Port Erin, and 



off Bay Fine, 18 fms. 



84. Linens longissimus, off N. Corner of Calf Island, 17 fms. 



85. Amphiporus ptdcher, off Port Erin, Bay Fine, Aldrick, 



etc. 



86. Micrura fasciolata, off Halfway Bock, 18 fms. 



87. Micrura Candida, N. of Halfway Kock, 15 fms. 



88. Carinella aragoi, N. of Halfway Bock, 15 to 18 fms. 



89. CepltalotJirix bioculata, off Port Erin, 15 fms. 



90. Tetrastemma melanocephalum, off Port Erin, 15 to 20 



fms. 



91. Tetrastemma robertiaiue, off Port Erin, 15 fms. 



92. Prosorhochmus claparedii, N. of Halfway Bock, 15 fms. 



93. Cerebratulus fuscus, off Port Erin, 15 to 20 fms. 



94. Polygordius sp., off Bradda Head. 



95. Her m ion e liysfrir, off Port Erin, Halfway Bock, and 



Spanish Head. 



