INDEX. 
375 
Arbusculites, . 
Arcaj . . . . 
Argiope, . . . . 
Athyris, . II, II, 83, 85, 86, ( 
Athyris, . . II, 2,3,63 
Atl’ypa, . . I, 207,29t 
Atrypa, , , I, 187,20( 
Atrypina, . 
Aulaoorhyiiclius, 
Aulonotreta, 
Aulonotreta, 
Aulosteges. 
Aulostcges, . 
Avicula, 
Bactrynium, 
Barrandella, 
Barroisella, 
Beachia, . 
Beecheria, 
Bifida, 
BilUngsella, . I, 23S 
Billingsia 
Bilobites, . 
Bouchardia, 
Bracliyprion, 
Brachymerus, 
Brarhythyris, 
Branconia, 
Cadomella, 
Camarella, . I, 234 
Camarella, 
Camarium, 
Camarophoria . II, 72, 202, 
Cainarophoria 
Cainarophorella, 
Camarospira, 
CamarotcEcliia, 
Capellinia 
Caprotina, 
Cardinocrania, 
Catazyga, 
Centronella, 
Centronella, 
Charionella, 
Charionella, 
Clionctella, 
Chonetes, . 1,191, 230, 280, 301, 3 
310, 311, 312, 313, 316, 320 
Chonetes, 
Clionetina, 
Choniopora, 
Chonostrophia, 
Chonotreta, 
Chonopectus, 
Choristites, 
II 
PAGE. 
I, 
321 
I, 
321 
II, 
328 
7, 98, 
100 
, 334, 
343 
, 154, 
328 
, 173, 
174 
175, 
176 
3, 78, 
80 
, 161, 
180 
, 255. 
293 
, 328, 
338 
, 171, 
174 
, 312, 
335 
, 8^, 
337 
I, 
80 
, 329, 
340 
I, 
314 
I, 
66 
II, 
313 
,247, 
339 
d n. 
322 
326, 
327 
aeo. 
265 
II, 
300 
, 133, 
144 
, 333, 
337 
:, 75, 
76 
, 223, 
229 
II, 
305 
!; II, 
339 
n. 
219 
II. 
10 
II. 
223 
I, 
293 
, 233, 
311 
I; II, 
212 
[, 70, 
72 
, 334, 
341 
II, 
199 
II. 
318 
, 217, 
342 
, 199, 
201 
, 337, 
342 
348, 
341 
II, 
316 
147, 
154 
, 159, 
173 
, 269, 
270 
, 347, 
349 
II. 
286 
II. 
78 
[, 58, 
73 
307, 
313 
, 308, 
309 
, 339, 
340 
II, 
311 
, 307, 
310 
, 145, 
150 
310, 
311 
: 167, 
168 
, 307, 
313 
8, 25, 
37 
Christiania, 
Cistella, , 
Clavagella, 
Clintonella, 
Cliothyris, 
Clitambonites, 
Clorinda, 
Coelospira, 
Ocplospira, 
Coucliidium, 
Conrhites, . 
Conchyl iol ithus, 
Conocephalites, 
(Conradia,) 
Cranoena, 
Crania, 
PAGE. 
. I, 398 
11,305,328, 330 
1,321, 333 
II, 169 
II, 89, 
218, 219, 230, 231, 232, 333, 231, 236, 
239, 240, 243, 340; II, 327, 328, 332, 333, 336^ 
.II, 
II, 134, 136, 137,140, 144, 160, 339, 
II, 161, 
II, 216, 230, 331, 234, 235, 236, 240, 
334, 336, 
I, 
II, 47, 202, 214, 
I, 
I, 
. II, 397, 
I, 1, 108, 122, 144, 145, 147,149, 150, 151, 
153, 154, 155, 156, 157, 158, 169,170; II, 
I, 110, 
I, 
Cyrtina, 
Cyrtotlieca, 
Dalmanella, 
DaiiUsonella, 
Davidsonia, 
Daviesiella, 
llayia, 
Dcltliyris, . 
Delthyris, 
Derbya, 
Berbyia, 
Bicamara,. 
Dicellomus, . 
Dicalosia, . 
Dicraniscus, 
Dicranisms, 
Dictjonella, 
Dielasma, 
Dielasmina, 
Dignomia,' 
Dinobolus, 
Binobolus, . 
Crania, 
Crania (Pseudocrania) 
Craniella, .... 1,153,170; II, 
Craniolites, ...... I, 
Craniops, ...... 1,155, 
Craniscus, ...... I, 
Criopodernm, ...... I, 
Criopus, ...... I, 145, 
Cryptacanthia, ..... II, 300, 
Cryptonella, . 11,386, 287,288, 290,291,292,295,296, 
Cryptonetla, . . II, 265, 293, 334, 346, 347, 348, 
Cyclorhina, ..... II, 306, 
Cyclospira, . . .II, 63,146, 151, 152, 344, 
Cyclothyris, ...... II, 
Cyrtia, . . II, 9, 11, 30, 32, 40, 41, 42, 46, 328, 
Cyrtia, . . . . . . II, 43, 
CjTtina, . . II, 16, 32,41, 43, 45, 46, 50, 52, 53, 
331, 342, 
. II, 
II, 
I, 305, 218, 219, 220, 223, 
1, 
I, 279, 301, 302 ; II, 
I, 317 
II, 63, 149 
. II, 9, 19, 20, 
I, 186,187, 200, 201, 204 ; II, 1, 2, 12, 14, 
18, 21, 22, 
. I, 219, 259, 258, 361, 262 
II, 11 
91 
237 
341 
241 ' 
345 
162 
251 
341 
276 
293 
30 
39 
301 
152 
325 
314 
253 
325 
145 
169 
146 
145 
147 
302 
297 
349 
208 
345 
177 
331 
47 
328 
346 
28 
45 
229 
28 
339 
263, 265, 268, 
336, 337, 338, 
I, 
U, 73, 
I, 66, 68, 72, 
I, 
I, 
I, 
II, 307, 
U, 275, 287, 393, 294, 296, 297, 298 301, 
347, 348, 
II, 398 
I, 2, 14, 15, 21, 163,164 ; II, 322 
I, 23, 28, 30, 31, 34, 36, 39, 46, 47, 48, 50, 61 
52, 53, 54, 55, 81, 84, 139, 142, 165, 176 ; II, 322 
. I, 36, 44 
36 
15 
28 
347 
339 
261 
335 
73 
204 
270 
269 
311 
346 
349 
