INDEX. 
379 
PAGE. 
PAGE. 
Trimerella, 
.I, 44 
Ungulites . 
.I, 
80 
Trimerella ?, 
.I, 44 
Vitulina, . 
II, 138, 139,140, 305, 
317 
Tripleoia, 
I, 5469, 270, 271, 273, 274 ; II, 11,214, 230 
Verneuilia, 
.II, 
68 
337 
Volborthia, 
I, 93, 95, 96, 98, 102, 166, 167, 
168 
Triplesia, . 
. I, 2G9 
Waagenia, . 
.I, 
239 
Tropidoleptus, 
I, 207, 220; 11, 212, 302, 304, 305, 317, 334 
Waagenella, 
.I, 
239 
347, 349 
Waldheimia, 
I, 324 ; II, 127, 
301 
Uncinella, 
.II, 123 
Waldheimia, 
II, 108, 279, 286, 
288 
Uncinulina, 
II, 196, 197, 199, 200, 205 
Whitfieldella, 
II, 68, 61, 64, 65, 78, 79, 98, 131, 160, 
345 
Uncinulus, 
.II, 195 198, 199 
Whitfieldia, 
11, 66, 67, 73, 
131 
Uncites, 
.II, 113, 114 
Wilsonia, . 
II, 195, 196, 
1<37 
Uncites, 
.11, 282 
Zygosjjira, 
. II, 134, 135, 147, 148, 150, 164, 156, 
156 
Ungula, 
.I, 80 
157, 158, 160, 173, 174, 272, 344, 346, 
348 
III. Eegister of Species. 
(Names in italics are synonyms; figures in PtTLi.-PACE type after new species denote the place of description.) 
Acambona Osagensis, Swallow, 
PAGE. 
II. 121 
Anomites striatus, Martin, 
PAGE. 
. II, 7 
A. prima. White, . 
II, 119, 
120 
Anoplotheca lepida, Goldfussy . 
II, 132, 133, 136 
Acritis antiquissima, von Eiohwald, . 
I, 
82 
A. 
venusta, Schnur, 
II, 133, 136 
Acrothele coriacea, Limmrsson, 
. I, 99, 
100 
Anoplia nucleata. Hall, 
II, 339 
A. ? dichotoma, Walcott, 
.1, 100, 
103 
Athyris acutomarginata, Waagen, 
II, 91 
A. granulata, Linnarsson, 
I, 
100 
A. 
ambigua, Sowerby, 
11, 93, 97 
A. Matlhowi, Hartt, 
I, 99, 100, 
101 
A. 
Americana, Swallow, 
. II, 91 
A. subsklua. White, 
I, 100, 
101 
A. 
Angelica, Hall, 
II, 90 
Acrotreta attenuata,'hl.GC;\i, 
I, 
103 
A. 
Anticostiensis, Billings, 
II, 158, 159 
A. Babel, Barrande, 
I, 
105 
A. 
Blancha, Billings, 
11, 68 
A. Bailoyi, Matthew, 
I, 99, 102, 
104 
A. 
borealis, Billings, 
II, 158, 159 
A. ? costata, Davidson, 
I. 
104 
A. 
capillata, Waagen, 
II, 91 
A. disparirugata, Kutorga, 
I, 102, 103, 
104 
A. 
concentrica, von Buch, 
II, 88, 90 
A. gemma, Billings, 
I, 102,103, 
106 
A. 
cora. Hall, 
II, 90 
A. ? Gulielmi, Matthew, 
I, 103, 
105 
A. 
Bawsoni, sp. nov.. 
II, 95, 96, 118 
A. Nicholson!, Davidson, . 
I. 
103 
A. 
densa, sp. nov , 
11, 364 
A. pyxidicula. White, 
I, 
103 
A. 
globulina, Waagen, 
II, 91 
A. recuTva, Kutorga, 
. I, 95, 
102 
A. 
Ilannibalensis, Swallow, 
II, 90 
A. socialis, von Seebach, 
I. 
113 
A. 
Harpalyce, Billings, 
II, 60 
A. subconica, Mock, . 
I, 101, 103, 
104 
A. 
Headi, Billings, . 
II, 157, 159 
A. ? svbsidua. White, 
I, 
100 
A. 
hirsuta. Hall, 
II, 91 
Ambocoelia pra;umboua. Hall, 
II, 
66 
A. 
incrassata. Hall, 
II, 90 
A. spinosa, sii. nov.. 
II, 
56 
A. 
Junia, Billings, . 
II, 62 
A. umbonata, Conrad, 
II, 
56 
A. 
lamellosa, Leveille, 
II, 90 
A. umbonata, var. gregaria. Hall, 
n. 
56 
A. 
Lara, Billings, . 
II, 149 
Amphigenia Buroaui, (Ehlert, 
II, 
254 
A. 
Maia, Billings, . 
. II, 34 
A. elongata. 
II, 254 
349 
A. 
0 X 3 'C 0 lpus, Emmrich, . 
II, 96 
A. elongata, var. curta, Meeh arid V{orthen, . II, 
254 
A. 
pectinifera, Sowerby, . 
II, 88, 91 
Amphitomella hemisphairica, Klipstein, 
, 
II, 
100 
A. 
planosulcata, Phillips, 
.11, 92, 99 
Anabaia Paraia, Clarke, 
II, 141, 
142 
A. 
Prinstana, Billings, 
II, 64 
Anastrophia clcllexa, Sowerby, 
II, 
224 
A. 
Itogersi, sp. nov.. 
II, 97 
A. interhascens. Hall, 
II, 224, 
225 
A. 
Royssii, Leveille,. 
II, 91 
A. Yerneuili, Hall, 
II, 224, 
225 
A. 
semiconcava, Waagen. 
II, 91 
Anomiabiloba, Linnd, 
I, 
204 
A- 
spirifcroidcs, Eaton, . 
II, 89 
A. craniolaris, Linn6, 
I, 
150 
A. 
subcx])ansa, Waagen, . 
IT, 91 
A reticularis, Linn5, 
II, 
166 
A. 
sublamellosa. Hall, 
II, 91 
A. Laiorenciana, de Koninck, 
II, 
316 
A. 
subquadrata. Hall, 
II, 95, 96 
Anamites cuspidatus, Martin, 
• II, 7, 
8 
A. 
subtilita. Hall, . 
. II, 86, 95, 97, 99 
A. glaber, Martin, 
. II, 10, 
33 
A. 
sp.. 
II, 97 
A. lineatus, Martin, 
II, 
10 
A. 
trinuolea. Hall,. 
II, 94, 96 
A. productus, Martin, 
I, 
325 
A. 
umbonata, Billings, 
II, 64 
A, semireticulatus, Martin, 
I, 
325 
A. 
vittata. Hall 
II, 89, 90 
