Part 82

79. Mactra Stultorum.

80. ---- plicataria. Spisula? Gray.

81. ---- Spengleri. Schizodesma, Gray.

82. ---- bicolor. Mulinia, Gray.

83. Gnathodon cuneatus. Clathodon, Conrad.

84. Crassatella rostrata.

85. Amphidesma reticulatum.

86. Erycina plebeja. Mesodesma, Desh.

87. Cuming mutica.

88. Ungulina transversa, (from Sowerby's genera.)

Fam. Corbulacea.

89. Corbula nucleus.

90. Pandora rostrata.

Fam. Lithophagidæ.

91. Petricola Roccellaria.

92. ---- Carditoidea. Coralliophaga, Bl.

93. Thracia corbuloides.

94. Saxicava rugosa.

95. Hiatella biaperta.

96. Sphænia Binghamii.

97. Venerirupis vulgaris.

Fam. Nymphacea.

98. Sanguinolaria rosea. Lobaria, Schum.

99. ---- Diphos. Soletellina, Bl.

100. Psammobia Ferroensis. Gari, Schum.

101. Corbis fimbriata. Fimbria, Megerle.

102. Grateloupia Moulinsii. (from Lea.)

103. Egeria triangulata, (from Lea.)