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 A HISTORY OF CORNWALL 96. Lagena marginata,WAlkcr & Boys. Gen. dist. and c. in Plymouth area, and at Falmouth ; Mount's B. ; local at Scilly ; small forms sometimes difficult to discriminate from L. orbignyana ; var. ornata, Will. About Plymouth, r. 97. L. trigono-elliptica, Balkwill & Millet. Mount's B. 98. L. trigono-marginata, Parker & Jones. Single specs, n. infrequent in sand dredged from Rame- Eddystone Gnds. ; Mount's B. 99. L. quadrate, Will. Present everywhere in small numbers in the Plymouth area ; n. unc. locally Falmouth B. ; Helford, and Mount's B. ; var. semi-alata, Balkwill & Millett. Mount's B. 100. L. faba, Balkwill & Millett. Mount's B. 101. L. orbignyana, Seg. C. along S. coast, at Scilly and Padstow 1 02. L. lagenoides, Will. Gen. dist. along S. coast ; Scilly and Padstow ; var. tenuistriata, Brady. Mount's B. 103. Nodosaria radicula, Mont. Sennen and Whit- sand B., Land's End 104. N. pyrula, d'Orb. Gen. dist. but scarce about Plymouth ; Pendower, after a storm ; Mount's B. 105. TV. communis, d'Orb. Evidently widely dist. in deepish water Plymouth district ; Polperro ; Fowey ; Falmouth ; Helford ; Mount's B. 1 06. N. jugosa, Mont. Falmouth B., r. ; only .1 slightly costate var. of N. communis 107. N. mucronata, Neugeb. Mount's B. 1 08. N. scalaris, Batsch. Gen. dist. in the Plymouth district but scarce in places ; Mount's B. 109. N. obliqua, L. Falmouth, from laminarian zone down to 35 fm. n. c. ; Mount's B. 110. N. calomorpha, Reuss. N. unc. Plymouth dis- trict ; small and probably overlooked elsewhere 111. Lingulina cartnata, d'Orb. Found in Plymouth S. by Spence Bate. 1 1 2. Vaginulina legumen, L. From some shore scrap- ings, Lelant (Bell) 113. Crlstellaria crepidula, Fichtel & Moll. Gen. dist. and f. c. as far W. as Falmouth ; Mount's B. ; a few at Scilly 114. C. rotulata Lamk. C. on S. coast ; Scilly 115. C. vortex, Fichtel & Moll. Occ. specs, found in Plymouth district. 1 1 6. C. italica, Defr. Gen. dist. around Plymouth but scarce ; Scilly (Bell) 117. Amphlcoryne falx, Jones & Parker. Plymouth district, r. 8 (Polymorphina lactea, Walker & Jacobs P. gibba, d'Orb. Gen. dist. and n. unc. along S. coast and at Scilly ; local on N. 119. P. aequalis, d'Orb. Mount's B. ; Sennen 1 20. P. communis, d'Orb. Poljew Cove, Mullion 121. P. orbignyii, Zbor. Mount's B. ; Lelant (Bell) 122. P. oblonga, Will. Drake's Is., occ. specs. Rame- Eddystone Gnds. ; r. near Helford ; Mount's B. ; n. unc. on Zostera, Scilly 118 123. Polymorphina compressa, d'Orb. Drake's Is. ; occ. elsewhere in Plymouth district ; f. c. Falmouth ; Mount's B. 124. P. concava, Will. Mount's B. ; Sennen 125. P. myristiformis, Will. Mount's B. ; Whit- sand B., Land's End 1 26. Uvigerina angulosa, Will. Gen. dist. but n. c. along S. coast and at Scilly 127. U. pygmaea, d'Orb. Porthcurnow 128. Sagrina raphanus, Parker & Jones. Poljew Cove, Mullion ; Whitsand B., Land's End 129. Ghbigerina bulloiJes, d'Orb. Gen. dist. Ply- mouth district ; abund. Polperro ; widely spread, Falmouth B. ; Mount's B. ; Scilly 1 30. G. tnflata, d'Orb. An occ. spec, in Plymouth district ; Mount's B. 131. Orbulina univtrsa, d'Orb. An occ. spec, in Plymouth district 132. Pullenia spkaeroides, d'Orb. Whitsand B., Land's End 133. Spbaeroittina dehlicens, Parker & Jones. Around Plymouth, r. I 34. Spirill'ma vivipara, Ehrenb. Drake's Is. ; gen. on the Rame-Eddystone Gnds., but n. c. ; widely spread Falmouth and Helford ; Poljew Cove, Mullion ; Mount's B. ; Sennen 135. S. margaritifera, Will. An occ. spec, on the Rame-Eddystone Gnds. ; Mount's B. 136. S. tuberculata, Brady. Whitsand B., Land's End 137. Patellina corrugata, Will. Widely dist. but apparently local along the S. coast 138. Discorbina globularis, d'Orb. Gen. dist. along S. coast ; occ. abund. on Zostera, Scilly 1 39. D. rosacea, d'Orb. C. along S. and locally on N. coast 1 40. D. orbicularis, Terquem. Gen. dist. and locally plentiful, Plymouth to Scilly 141. D. par'tsiensis, d'Orb. Cawsand B. and sparingly represented in most dredgings in Plymouth area though in some places apparently scarce ; Polperro ; widely dist. but n. c. in Falmouth B. ; Mount's B. 142. D. bertheloti, d'Orb. Occurrence about Ply- mouth similar to D. parisiensis ; Whitsand B., Looe (Marryat) ; Falmouth B., r. 143. D. veslcularis, Lamk. Poljew Cove, Mullion 144. Planorbulina mediterranensis, d'Orb. Gen. dist. along the S. coast and at Scilly ; locally abund. Padstow 145. P. acervalis, Brady. Poljew Cove, Mullion 146. Truncatulina refulgens, Montf. Poljew Cove ; Land's End (Bell) 147. T. hbatula, Walker & Jacob. Abund. along S. coast and at Scilly wherever hydroids are plentiful 148. T. depressa, d'Orb. Poljew Cove, Mullion 149. T. variabilis, d'Orb. Falmouth B., scarce ; Pol- jew Cove ; Sennen