INDEX. 
377 
Merista, 
. II, 58, 
Meristella, 
. II, 59, 67, 68, 71, 73, 76, 77, 78, 79, 81, 
101, 118, 
Meristella, . 
. II, 58, 59, 63, 65, 
Meristina, . 
II, 60, 65, 66, 67, 68. 78, 98,118, 131,144, 
Kleristina. . 
.II, 59, 59, 
Mesotreta, 
. I, 105, 109, 
Metaplasia, 
.II, 
Mickwitzia, 
. I, 80, 
Mimulus, . 
. I, 270, 2 72 , 273, 274 ; II, 
Monobolina, 
.I, 80, 83, 
Monomerella, 
I, 22, 23, 28, 29, 30, 31, 34, 35, 36, 37, 
40, 41, 43, 46, 50, 53,164, 
Miiblfeldtia, 
.II, 
Mystrophora, 
.I, 
My til us. 
. . . . I, 
Xeobolus, . 
I, 1, 29, 30, 80, ,84 89, 118, 
Hewberria, 
. II, 253, 261, 263, 
Newberria ? . 
.II, 
Jsoetlingia, 
II, 2 29, 230, 
Xotothyris, 
. II, 260, 265, 267, 
Xueleatula 
.II, 
Nucleospira, 
. II, 64, 107,117,127,128, 142, 144, 152, 
Numulus, 
.I, 
Obolella, . 
. I, 52, 57, 58, 61, 64,66, 68, 69, 70, 72, 73, 
PAGE. 
73 
82 
152 
SO 
345 
GO 
111 
56 
86 
230 
84 
39 
176 
305 
241 
321 
165 
264 
277 
341 
270 
328 
145 
75 
165 
326 
107 
83 
44 
86 
325 
119 
86 
36 
323 
76, 77, 78, 80, 81, 83, 85. 88, 89, 91, 108,140, 164, 
167, 339 ; II, 320, 322, 
Obolella, . . . . . . I, 56, 75, 90, 
Obolella ^ I, 
Obolellina, . . . . . . .1, 36, 
Obolus, . . I, 51, 52, 56, 72, 77, 80. 81, 82, 83, 84, 
108, 139, 140, 165, 183, 337, 339 ; II, 320, 322, 
Obolus, . . .1, 36, 44, 66, 83, 90, 98,117, 118, 
Obolus ? . . . . . . . I, 83, 
Obolus [Trhnerella], . . . . .1, 
CEhlertella, . . I, 130, 133, 144, 168, 169 ; II, 
Oldhamina, ...... II, 314 
Orbkella, .I, 118, 119, 138, 141 
Orbicula, . . I, 56, 57, 66,118, 139,121,138, 142, 145 
150, 155, 158 
Orbicularius, ...... I, 145 
Orbiculoidea, . I, 130, 121, 124, 125,138, 129, 132, 133 
135,136, 137, 138, 140, 144, 150, 153, 160, 166, 168, 169 
II, 320, 323, 324 
Oriskania, ...... II, 365, 270 
Ortliambonites, ...... I, 330 
Orthambonites, ..... I, 186, 192 
Orthidium, .... . .1,344 
Orthis, 
Orthis, 
Orthis ? . . 
Orthis (Schizophoria), 
Orthisina, . 
Orthisina, . 
Orthonomoea, 
Oi-thorh ynch ula, 
Orthostrophia, 
. 1,92,185,186,191, 192,193,194,197, 201 
203, 210, 215, 216, 217, 217, 218, 219, 220, 221, 224, 225 
227, 228, 229, 230, 231, 232, 236, 242, 243, 252, 257, 298 
301 ; II, 8, 180, 181, 182, 228, 230, 329, 332, 333, 340 
. I, 80, 211, 230, 231, 233, 241, 244, 245, 253, 259, 261 
264, 267, 269, 276, 281, 284, 314, 319 ; II, 54, 87, 101 
136, 142, 181, 193, 212 
. II, IS 
I, 216 
I, 98, 219, 230, 232, 234, 237, 240 
. I, 230, 233, 253, 261, 264, 267 
II, 159 
II, 181, 228, 336, 337, 342 
. I, 199, 223, 229 
Orthothetes, 
258, 
Orihothrix, 
Orthotichia, 
Osiracites, 
Palacmaja ?, 
PaljBocrania, 
Parastrophia, 
Parazyga, 
Patella, 
Paiellites, . 
Paterina, . 
Paterula, . 
Pentamerella, 
Peutamerus, 
Pentamerus, 
Peutactiuella, 
Pentagonia, 
Pexidella, . 
Pharetra, . 
Pholidops, 
Pholidostrophia, 
Pinna, 
PlsBsiomys, 
Platidia, . 
Platystrophia, 
Plectambonites, 
Plectambonites, 
Pleotorlhis, 
Plethorhyncha, 
Pleurotomaria, 
Plicaiula, . 
Plioigera, . 
Polytmchia, 
Porambonites, 
Poramhonites, 
Proboscidella, 
Producta, 
Productella, 
Productella, 
Productus, 
319, 
Productus, 
Pronites, . 
Pronites, . 
Protonia, . 
Protorhyncha, 
Protorthis, 
Protozyga, 
Pseudocrania, 
Pteropliloios, 
Ptychospira, 
Pugnax, 
Pyxis, 
lladiolites. 
PAGE. 
. 218, 219, 220, 249, 1253, 255, 256, 257 
261, 262, 268, 295 ; II, 11, 230, 337, 338, 
I, 
. I, 313. 226, 
I, 
I, 
I, 153, 
II, 319, 221, 222, 223, 224, 227, 228, 
239, 
II, 110, 13T, 144, 
. I, 145,156, 
. I, 155, 
II, 321, 
I, 7S, 165, 166, 
II, 233, 341. 242, 245, 250, 336, 341, 
I, 234 ; II, 12, 72, 82, 227 , 333, 236, 
332, 333, 336, 
II, 215, 219; 
I, 1, 151, 152,155 
241, 249, 252, 
II, 
II, 80, 
II, 103, 
I. 
156, 157, 158, 
n. 
339 
314 
229 
145 
133 
159 
233 
341 
328 
158 
158 
326 
168 
342 
251 
341 
255 
101 
81 
345 
2 
170 
325 
I, 387 
321 
229 
305 
I, 
I, 196, 222, 
II, 
I, 300, 202, 223, 229 ; II, 11,182, 
229, 
I, 220, 236, 250, 293, 294, 395, 
297, 298, 299, 300, 302, 305, 306 ; II, 
. I, 276, 
I, 194, 221, 
II, 191, 194, 198, 200, 
I, 
I, 
II, 
I, 238, 339 ; II, 
217, 219 ; II, 3^ 5, 227, 228, 229, 
312, 333, 336, 341 
. I, 186, 200 ; II, 11, 307 
I, 333 
. I, 269, 276, 321 
I, 301, 315, 318, 325, 338, 329, 332 ; II, 
I, 
I, 185, 220, 263, 280, 297, 301, 307, 316, 
320, 331, 323, 325, 330, 331, 332, 334, 335, 
II, 337, 339, 
. I, 186, 276, 314, 317, 328, 333 ; II, 
. I, 219, 236, 
I, 
I, 
II, 180, 181, 337, 
I, 219, 231, 232, 238 ; II, 212, 230, 
II, 151, 153, 343, 314, 
I, 151, 152, 159 ; II, 
II, 315 
II, 112 
. II, 202 , 203, 206, 209 
I, 321 
II, 316 
227 
230 
296 
337 
284 
229 
280 
148 
264 
100 
341 
230 
340 
314 
318 
336 
340 
129 
237 
233 
321 
342 
341 
345 
325 
