INDEX. 
361 
PAGE. 
Derbya robusta, Hall, 
,D. vuginosa, sp. nov., 
Dinobolus Bohemicus, Barrande, 
D. Brimonti, Rouault, 
D. Canadensis, Billings, 
D. Conradi, Hall, . 38, 39,4 
D. Hicksi, Davidson, . 
D. magniiieus, Billings, . 
D. parvus, Whitfield,. 
D. Schmidti, Davidson and King, 
D. transversus, Salter, 
D. Woodwardi, Salter, . 
Discina acadica, Hartt, 
D. ampla, Hall, .... 
D. 1 Balcletchensis, Davidson, 
D. Bohemica, Barrande, 
D. Caerfaiensis, Hicks, 
D. clara, Spencer, 
D. Conradi, Hall, 
D. discus. Hall, .... 
D. Doria, Hall, 
D. grandis, Vanuxem, . 
D. humilis, Hall, 
D. Herzeri, sp. nov., 
D. intermedia, Barrande, 
D. inutilis, Hall. 
D. lamellosa, Broderip, 
D. Lodensis, Hall, . ... 
D. Mceotis, Barrande, 
D. Manhattanensis, Meek and Worthei 
D. marginalis, Whitfield, 
D. media. Hall, .... 
D. minuta, Hall, 
D. Morrisi, Davidson, 
D. Newberryi, Hall, . 
D. nitida, Phillips, 
D. ostrceoides, Lamarck, 
D. pileolus, Hicks, 
D. pleurites, Meek, . 
D. Randalli, Hall, 
D. reversa, Barrande, 
D. rugata, Barrande, 
D. secedens, Barrande 
D. striata, Schumacher, 
D. striata, Sowerby, 
D. tarda, Barrande, 
D. tenuilamellata. Hall, 
D. truncata. Hall, 
D. (CEhlertella) pleurites. . 
Discinisca lamellosa, Broderip, 
Discinolepis granulata, Waagen, 
Discinopsis Gulielmi, Matthew, 
Douvillina Dutertrii, Murchison, 
Elkania desiderata, Billings, 
Enteletes ferrugineus, Waagen, . 
E. hemiplicatus, Hall, . 
E. Lamarcki, Fischer de Waldheim, 
E. pentameroides, Waagen, 
Glottidia Audebardi, Broderip, . 
G. Palmeri, Dali, 
Gonambonites lata, Pander, 
Hemipronites alta, Pander, . 
H. Americana, Whitfield, 
H. apicalis, Whitfield, . 
262 
346 
39 
39 
39 
176 
39 
46 
40 
40 
40 
137 
130 
79 
127 
137 
125 
131 
135 
137 
123 
127 
125 
127 
133 
131 
129 
130 
131 
122 
137 
132 
125 
135 
135 
101 
125 
122 
135 
125 
87 
140 
136 
90 
106 
289 
77 
216 
226 
226 
216 
8 
63 
237 
238 
239 
240 
Hemipronites nutans, James, 
H. sphserica, Pander, 
H. tumida, Pander, . 
Hipparionyx consimilaris, Vanuxem, 
H. consimilis, Vanuxem 
H. proximus, Vanuxem, 
H. similaris, Vanuxem 
Iphidea bella, Billings, 
I. ornalella, Linnarsson, 
I. (71) sculptilis, Meek, 
Kutorgina cingulata, Billings, . 61 
K. cingulata var. pusilla, Linnarsson 
I£. Labradorica, Billings, 
It. Latonrensis, Matthew, 
K. minutissima, Hall and Whitfield, 
It. pannula, White, 
It. Prospectensis, Walcott, 
It. (?) pterineoides, Matthew, 
K. sculptilis, Meek, . 
It. Whitfleldi, Walcott, . 
Lakhmina linguloides, Waagen, 
Leptama (enigma, de Verneuil, 
L. alternata, Conrad, 
L. alternistriata. Ha'l, . 
L. analoga, Phillips, 
L. asella, de Verneuil, . 
L. caudata, Schnur, . 
L. concava, Hall, 
L. convexa, Pander, . 
L. decipiens, Billings, 
L. deltoidea, Conrad, 
L. demissa, Conrad, 
L. depressa, Sowerby, 
L. euglypha, Dalman, 
L. Dutertrii, Murchison, 
L, fasciata, Hall, . 
L. filitexta. Hall, 
L. incrassata, Hall (Safford), . 
L. liasina, Bouchard, 
L. Llandeiloensis, Davidson, 
L. Moored, Davidson. 
L multirugata, McCoy, 
L. nodulosa, Phillips, 
L. ? nucleata, Hall, . . 
L oblonga, de Verneuil, 
L. obscura, Hall, 
L. plicotis, McCoy, . 
L. planumbona, Hall, 
L. rhomboidalis, Wilckens, 250,279,2! 
L. rugosa, Hisinger, 
L. semiovalis, McCoy, 
L. sordida, Billings, 
L. subquadrata, Hall, 
i. tenuicincta, McCoy, . 
L. transversalis, Dalman, . 
L. unicostata, Meek and Worthen, 
L. Waltoni, Davidson, 
Leptaenisca adnascens, sp. nov., 
L concava, Hall, 
L. tangens, sp. nov., 
Leptaenulopsis simplex, Haupt, 
Leptobolus insignis, Hall, 
L. lepis, Hall, 
L. occidens, Hall, 
92, 93, 94 
93, 94, 95 
