MARINE BIOLOGICAL STATION AT PORT ERIN. 41 



73. — Cristellaria rotulata (Lam.) Very rare. 



74. — Polymorphina lactea (W. & J.) Frequent. 



75. — „ compressa, d'O Rare. 



76. — „ rotundata (Born) Very rare. 



77. — „ gibba, d'O Very rare. 



78. — „ sororia, Reuss Frequent. 



79. — „ amygdaloides, Reuss Very rare. 



80. — Uvigerina angulosa, Will Very rare. 



81. — Globigerina bulloides, d'O Very rare. 



82. — „ inflata, d'O Very rare. 



83. — Spirillina vivipara, Ehrenberg Very rare. 



84. — „ limbata, Brady Very rare. 



85. — Patellina corrugata, Will Frequent. 



86. — Discorbina nitida, Will Rare. 



87. — ,, mamilla, Will Common. 



88. — „ rosacea, d'O Common. 



89. — „ praegeri, H.-A. & E Common. 



90. — „ turbo (d'O.) Frequent. 



91. — „ globularis, d'O Frequent. 



92. — „ obtusa, d'O Common. 



93. — Planorbulina mediterranensis, d'O Common. 



94. — Truncatulina lobatula (W. & J.) Rare. 



95. — „ variabilis, d'O Very rare. 



96. — „ ungeriana, d'O Very rare. 



97. — Pulvinulina repanda (F. & M.) Very rare. 



98.— „ oblonga (Will.) One. 



99.— „ haliotidea, H.-A. & E Very rare. 



100. — Rotalia beccarii (Linne) Very rare. 



101. — ,, orbicularis, d'O Common. 



102. — „ perlucida, H.-A. & E. Very rare. 



103. — Gypsina inhaerens (Schultze) Very rare. 



104. — Nonionina depressula (W. & J.) Common. 



105. — „ umbilicatula (Mont.) Very rare. 



106. — „ asterizans (F. & M.) Very rare. 



107. — „ stelligera (?) d'O Very rare. 



108. — ,, pauperata, B. & W Frequent. 



109. — Polystomella striatopunctata (F. & M.) Frequent. 



110. — ,, crispa, Linne Very rare. 



111. — „ macella (F. & M.) Frequent. 



112. — Operculina ammonoides (Gron.) Very rare. 



As this locality — off Bradda Head— is in our home- waters 

 at Port Erin, liable to be dredged by students from the 

 Biological Station at any time, I thought it advisable to ask 

 Mr. Heron- Allen to allow me to print the above provisional 

 list at the earliest opportunity so that it might be available 

 for consultation by our workers. 



Plankton Investigation at Port Erin. 



In connection with the " intensive " study of the minute 

 life of the sea which has been carried on for some years by 

 Professor Herdman, Mr. Andrew Scott and Miss H. Mabel 



