< 
380 
INDEX. 
Atrypa ? apiculata, Salter, 
A. acutoplicata, Conrad, 
A. altiiis, Hall, 
A. amygdala, Caillaud, 
A. aprinis, de Verneuil, 
A. arata, Conrad, . 
A. aspera, Schlotheim, 
A. aspera, var. occidentalis, Hall, 
A. Barrandii, Davidson, 
A. bisulcata, Emmons, 
A. Calvin!, Nettelroth, 
A. camwra. Hall, 
A. congesta. Hall, . 
A. crassirostra. Hall, 
A. cuboides, Sowerby, 
A. cuspidata. Hall, . 
.4. cylindrica. Hall, . 
A. defler.la. Hall, 
A. Deshayesi, Caillaud, 
A. didyma, Dalman, 
A. diibia. Hall, 
A, elllpsoldea, Nettelroth, 
.4. etcigua. Hall, 
d. extans, Emmons, 
A. galeata, Dalman, 
A. hemiplicata. Hall, 
A. hemisphcerica. Hall, 
A. hirsuta, Hall, 
A. hystrix, Hall, 
A. imbricata, Soiverby, 
A. ? incerta, Davidson, 
A. inornata, d’Orbigny, 
A. intermedia. Hall, 
A. interplicata, Sowerby, 
A. lens, Sowerby, . 
A, lepida, Davidson, 
A. marginalis, Dalman, 
A mediahs, A'anuxem, 
A. modesta (Say), Hall, 
A. multicosta. Hall, 
A. Murcliisoniana, 
A. naviformis. Hall, 
A. niiida. Hall, 
A. nitida, var oblata, 
A. nodostrlata. Hall, 
A. nucella, Dalman, 
A. nucleus. Hall, . 
A. oblata. Hall, 
A. obovata, Sowerby, 
A. palmata, Morris and Sharpe 
A. pectinifera, Sowerby, 
A. planoconvexa. Hall, 
A. plena. Hall, 
A. plicatula. Hall, . 
A. prunum, Dalman, 
A. pseudomai-gmalis. Hall, 
A. qvoflricosta. Hall, 
A. reticulai'is, Linne, 
rugosa. Hall, 
scitula. Hall, 
A. spinosa. Hall, . 
A. tumida, Dalman, 
I, 
270 
Atrypa 
unistdcata, Conrad, 
U, 80, 
81 
II, 
136 
A. 
(Triplecia) apiculata, Salter, 
I, 
271 
II, 
181 
A. 
(T. 1 incerta, Davidson, 
. I, 
271 
II, 264, 
281 
Atrypina Clintonensis, sp. no\'.. 
II, 161, 
162 
II, 
111 
A 
disparilis, Hall, 
II, 162, 
171 
II, 
215 
A. 
imbricata. Hall, 
II, 162, 
171 
. II, 170, 171, 
172 
Aulacorhynclms Pachti, Dittmar, . [ 
II, 
312 
11, 
170 
Aulonotreta liolita, Kutorga, . 
. I, 80, 
82 
II, 
162 
A. 
sculpta, Kutorga, 
I, 
82 
II, 62,146, 148, 
151 
Aulosteges Dalhousil, Davidson, ■ 
I, 
320 
II, 
173 
A. 
Gnadaloupensis, Shumard, . 
I, 
320 
11, 
126 
A. 
Medlicottianus, Waagen, 
I, 
320 
II, 
61 
A. 
spondyliformis. White and St. John 
I, 316, 
320 
II, 
60 
A. 
variabilis, von Ilelinersen, 
I. 319, 
220 
II, 
202 
A. 
AV^anghenheimi, de Verneuil, 
I, 
319 
I. 
270 
Avicula 
? desquamata. Hall, 
I, 
67 
II, 
60 
Barrandella Areyi, sp. nov., . 
11, 368 
II, 
157 
Barroisella subspatulata. Meek and Worthen 
I, 12, 63, 
164 
II, 264, 
281 
Beeclieria Davldsoni, sp. nov.. 
II, 
300 
II, 
60 
B. 
sublajvis, Waagen, 
II, 
300 
H, 180, 
181 
Bilida lepida, Goldfuss, 
11, 98, 131, 
133 
II, 
169 
Bi'achyprion geniculatum, Shaler, . 
I. 
288 
. 11, 149, 150, 
151 
B. 
Eeda, Billings, . 
I, 
288 
I. 
270 
B. 
ventricosum, Shaler, . 
I, 
288 
II. 
242 
Branconia borussica, Gagel, . 
II, 
223 
II, 221, 
222 
Calceola heteroclita, Deirance, 
II, 41, 
44 
. II> 
136 
Camarella ? antiquata, Walcott, 
II, 
221 
II, 
127 
C. 
calcifera, Billings, 
270, 271 ; II, 
214 
II, 
172 
C. 
hemiplicata. Hall, 
II, 
222 
11, 
173 
C ? 
minor, Walcott, . 
11, 221, 
341 
. . I, 
270 
C. 
I’anderi, Billings, 
II, 
220 
II, 263, 
281 
C. 
A^olbortlii, Billings, 
219, 220, 221, 
225 
11, 
60 
Camarium typum. Hall, 
• II, 71, 
72 
II, 
224 
Camaroiihoria bisulcata, Shumard, . 
. n. 
217 
II, 
251 
C. 
caput-testudinis, White, 
n. 
217 
II, 
131 
C. 
Dawsoniana, Davidson, 
II, 
217 
. II, 172, 173, 
174 
C. 
eucharis. Hall, . 
II, 82, 
217 
II, 
205 
C. 
Gillbrdi, Worthen, 
II, 
217 
II, 
155 
C. 
globulina, Phillips, 
II, 
216 
II, 
76 
C. 
globulina, Davidson, 
II, 
217 
II, 
171 
C. 
Humblctonensis, Howse, 
II, 
217 
II, 60, 76, 
77 
C. 
isorhyncha, AIcCoy, 
II, 
217 
II, 69, 
60 
C. 
lenticularis. White and Whitfield, 
II, 
218 
II, 
60 
C. 
rhomboidalis, sj). nov. 
H, 
217 
II, 170, 
173 
C. 
ringens. Swallow, 
II 
217 
II, 
230 
C. 
Schlotheimi, von Buch, 
II, 
217 
I, 
270 
C. 
Swallovana, Shumard, . 
II, 
217 
H, 
60 
c. 
Swalloviana, Shumard, 
II, 
253 
. II, 
152 
c. 
subcuneata,//ail. 
II, 
217 
11, 
137 
c. 
subtrigona, Meek and Worthen, 
II, 
217 
II, 
90 
Camarospira eucliaris, Hall, . 
II, 
82 
II. 
136 
Capellinia mira, sp nov , 
II, 848 
II, 
181 
Cardiuocrania indica, Waagen, 
I, 
154 
11, 
136 
Catazyga Hcadi, Billings, 
II, 
158 
11, 
61 
Centronella Alii, A. Winchell, . 
II, 
290 
II. 
173 
C. 
alveata. Hall, 
II, 
268 
II, 
76 
C. 
Anna, Hartt, 
II, 
291 
165, 167, 163, 169, 
170 
C. 
Bergeron i, (Eldert, 
H, 266, 
272 
172, 173, 174, 175, 
217 
C. 
Gaudryi, (Eldert, 
11, 266, 
272 
11, 170, 
171 
C. 
glansfagea, Hall, 
267, 268, 269, 
273 
II, 
79 
c. 
Glaucia, HeUl, . 
11, 
269 
II, 
172 
c. 
Guerangeri, 
II, 
373 
II, 67, 
76 
c. 
Hecate, Billings, 
II, 
268 
