Part 81

Fam. Pholadaria.

55. Pholas Dactylus; a, plates of the hinge.

56. ---- papyracea. Pholadidæa.

57. Pholadomya Candida.

58. Galeomma Turtoni.

59. Front view of the same.

(Here Xylophaga should be placed, see Tubicolaria.)

Fam. Solenacea.

60. Solen ensis. Ensis, Schum. Ensatella, Sw.

61. Solen radiatus. Solenocurtus, Bl. Leguminaria, Schum. Siliqua, Megerle.

62. Lepton squamosum. (from Turton.)

63. Novaculina gangetica.

64. Glanconome Chinensis.

65. Panopæa Australis. } } (From Sowerby's Genera.) 66. Hinge of Panopæa Faujasii.}

67. Glycimeris Siliqua.

68. Solenimya Mediterranea.

Fam. Myaria.

69. Anatina rostrata. Auriscalpium, Megerle.

70. Anatinella Sibbaldii.

71. Mya truncata.

72. Periploma inæquivalvis. Osteodesma, Desh. a, bone of the hinge, (from Blainville.)

73. Myochama anomioides; lower valve with clavicle, and hinge of upper valve.

74. External view of the same, attached to a Trigonia.

75. Cleidothærus Chamoides, attached valve.

76. Upper valve of the same, with the clavicle.

Fam. Mactracea.

77. Lutraria papyracea. Ligula, Leach. Carinella, Adans.

78. ---- Solenoides. Cutellus ----?