A HISTORY OF ESSEX LIST OF THE MARINE MOLLUSCA No. Name
Estuaries of Orwell and Stour River Colne River Black- water River Crouch Other localities 12 15 AMPHINEURA Craspedochilus onyx (Spengl.) ( = Chiton cinereus) . Acanthochites ( = Chiton) fasci- 2,4 IO I I
18 19 46 60 PELECYPODA Nucula nucleus (L.) .... nitida, G. B. Sowerby . . . Anomia ephippium, L 2,4 4 2. 4. 6 IO I I I I 3 5 <5 Clacton (8) 61 62 Volsella ( = Modiolus) modiolus, L. I 5 66 69 77 Modiolaria marmorata (Forbes) . discrepans (Leach) ( = nigra) . 4 2, 4. IO I I 5 5 IO / / 79 81 117 Pecten maximus (L.) .... Chlamys ( = Pecten) varius (L.) . 2,4 IO I 5 1 * J 142 Syndosmya ( = Scrobicularia) alba (Wood) A c 145 Scrobicularia plana (Da Costa) ( piperita^ . A 7, IO I Foulness (8) 154 I 5 6 I 60 Tellina tenuis (Da Costa) . Macoma (Tellina) balthica (L.) . Mactra stultorum, L 4 I I 5 Foulness (8) Foulness (8) 162 164 I 7 8 I7Q Spisula ( = Mactra) solida (L.) subtruncata (Da Costa) Tapes aureus (Gmelin) .... virgineus (L.) 4 s7 9 I I I I 5 180 181 pullastra (Montagu) decussatus (L.) 2,4 A. 8,9 7 I 5 [Mount Sales J Burnham Mar. 1 86 189 IQ2 Cardium echinatum, L. exiguum, Gmelin .... edule, L 4 2 A / IO 9 IO I I I 5 5 IO (8) Walton N. (8) Foulness (8) I9O Mya arenaria, L
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2 A. IO I e Foulness (8) 2OO truncata, L. . 8 10 I C IO 207 2OQ Ensis ( = Solen) ensis (L.) . Solen vagina, L 8,9,10 j, 1VJ 212 Saxicava rugosa (L.) 2 Foulness (8, 9) NOTE. The numbers in the first column correspond with those in the ' List of British Marine Mollusca and Brachiopoda' given in the Journal of Conchohgy (1901), x. 9. The numbers in columns three to seven refer to the following : 7. Dr. Sorby, Essex 'Naturalist, x. 166. 8. W. Dalton, MS. Catalogue. i. W. Crouch, Essex 'Naturalist, ii. 248. 2. W. Crouch 3. E. A. Fitch 4. W. Crouch 5. W. Crouch 6. Dr. Sorby iv. 169. v. 145-52. v. 244. vi. 81-92 v. 259. 9. Dalton Collection, Essex Museum Nat. Hist. 10. Cole 1 1 . Colchester 1 2. W. Crouch. 84
