440 EXPLANATION OF PLATES. 
FIGURE, 
60. Corbicella subsequilatera, Lycett. Oolite, 
61. Sportella Cailleti, Desh. Calcaire grossier; Grignon, 
63. Spheerella concentrica, Conr. Cret.; Eufala, Ala., 
64. Paleomya Deshayesii, Zitt.and Goub. Juras.; Eur., 
65. Taneredia Dionvilfenais: Lias ; Eur., 
66. Tancredia curtansata, Morris and Lycett. Lias ; Eur., 
67. Meekia radiata, Gabb. Cret.; California, 
68. Ungulina oblonga, Daud. West Africa, 
69, 70. "A xinopsis orbiculata, Sars. Norway, 
Tl. Mysia Brasiliensis, Phil. Rio Janeiro, 
12. Mysia (Tenea) parilis, Conr. Cret.; ; United States, 
73, 74. Felania rosea, Recluz. W. Coast Africa, 
75. Seacchia elliptica, Phil. Mediterranean, 
PLATE 120. 
76, 78. Psathura fragilis, Lam. Eocene; Paris Basin, 
79, 80. Erycinella ovalis, Conr. Crag; England, 
83, 84. Spaniodon nitidus, Reuss. Miocene; Galicia, 
85. Montacuta substriata, Forbes. Europe, 
86. Montacuta (Tellimya) bidentata, Mont. England, 
87-89. Kelliella miliaris, Phil. Norway, 
90. Lassea rubra, Mont. England, 
92. Kellia suborbicularis, Mont. England, 
93-95. Kellia (Bornia) seminula, Phil. 
96. Kellia (Pythina) Deshay esiana, Hinds. East Indies, . 2 22 
97. Cyamium antarcticum, Phil. Patagonia, 
98, 99. Turtonia minuta, Forbes and Hanley. England, 
100. Hindsiella lobata, Desh. Caleaire erossier ; Grignon, 2 
1. Galeomma Turtoni, Forbes and Hanley. England, 
2, 3. Galeomma (Thyreopsis ) Moe FR. Adams. 
Mauritius, . 
. Scintilla Philippinensis, ‘Desh., ‘ : 
Passya Eugenii, Desh. Eocene ; Paris Basin, 
Orthodesma recta, Hall and Whitfield, Sil.; Ohio, 
Cincinnent, Ohio, 
14. Grammysia pes- anseris, Sandberger. Germany, . 
15. Sedgwickia (Pyrenomzus) cuneatus, Hall. © Clinton 
Group; New York, . 
16, 17. Clinopistha antiqua, Meek. Devonian; Ohio, 
25-21. Erycina Geoffroyi, Payr. Europe, 
61. Lepton squammosum, Mont. England, 
62. Krycinella ovalis, Conr. Miocene; Virginia, 
Cuneamya Miamiensis, H. and W. Silurian; Ohio, 
Pthonia sectifrons, Conrad. Silurian; New York, 
, 13. Pyanomya gibbosa, Miller. Hudson River Group; 
