260 



Lamarck's Genera of Shells. 



EXPLANATION OF THE PLATES. 



A r . B. All the Figures are drawn from Nature, except those stated to have been 

 copied from other Works, 



Plate 3. Vol. 14. 



Fig, 

 1. 



2. 

 3. 

 4. 



11. 



18. 



is. 



Siliqtjaria anguina. 

 Dentalium elephantinum. 

 Pectinaria belgica. 

 Sabellaria alveolata. (Ellis. 



Tubularia arenosa Anglica.J 

 Terebella conchilega. (Ency. 



Method. PI. 67. Fig. 5. 

 Amphitriti ventilabrum. (Ellis. 



PI. 34. 

 Spirorbis nautiloides. 

 Serpula vermiculaiis. (Ellis. 



PI. 38. Fig. 2. 

 TubicinellabaUenarum. a. oper- 

 culum. 

 Coronula diaderna. Upper and 



under view. 

 Balanus sulcatus. 

 AcastaMontajui. (Encycl. Bri- 



tan. Sup. Vol. 3. PI. 1. Fig. 



5T.) 

 Pyrgoma cancellata, exterior 



Kb 



20. 



21 



and interior view of the shell, 

 with the valves of the opercu- 

 lum below. 



Anatifa levis. 



Pollicipes cornucopia?, the 

 smaller figure shews the ten- 

 tacular arms. 



Cineras vittata. 



Otion Cuvieri. 



Aspergillum javanum. 



Clavagella echinata. (Annates 

 du Museum. Vol. 12 PI. 43. 

 Fig. 9. a.) 



Fistulana clava. a. b. the inte- 

 rior valves. 



Septaria arenaria. b. small end, 

 shewing the septum, c. large 

 end. 



Teredina personata. (An. du 

 Mm. Vol. 12. PI. 43. Fig. 6.) 



Plate 4. Vol. 14. 



Fig. 



23. Teredo navalis. a. interior of 



the tube, shewing the trans- 

 verse septa. b. the true 

 shell, c. its two valves, d. 

 the operculiferous pieces. 



24. Pholas dactylus. a. interior of 



one of the valves, shewing the 

 internal, dentiform process, 

 below the umbo. 



25. Gastrochsena cuneiformis. 



26. Solen vagina, upper tig. exte- 



rior; lower, interior view. 



Fig. 

 27. Panopsea Aldrovandi, exterior 



and interior. 

 21!. Glycimeris siliqua. a. interior 

 of one valve. 



29. Mya truncata. a. interior of the 



right valve, b. interior of 

 the left valve 



30. Anatina laterna, exterior and in- 



terior. 



31. Lutraria solenoides. do. do. 



Plate 5. 



Fig. 



32. Mactra gigantea, exterior and 



interior. 



33. Crassatella Kingicola, 33 and 33. 



a. interior of each valve, b. 

 exterior of the valves united. 



Vol. 14. 



Fig. 



(Souerby's Genera of Recent 

 and Fossil Shells) 



34. 31. a. Erycina cardioides, exte- 

 rior and interior. 



