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INDEX. 



Dipriacanthus (con/.). 



stokesi, US. 

 Dipristis, Gervais, 91. 



onimeeroides, 02. 

 Dipristis, Marsh, 73. 



miersi, 85. 



DlPTERID.E, 235. 



Dipterus, 235, %5S. 



arenaceus, 242. 



brachypvgopterus, 236. 



flabelliformis, 242. 



glaber, 242. 



ithacensis, 243. 



keyserlingi, 241. 



levis, 242. 



niacrolepidotus, 236, 

 373. 



rnacropterus, 240. 



inacropygopterus, 236. 



marginalia, 241. 



minutus, 242, 



rnurchisoni, 242. 



nelsoni, 242. 



parvulus, 242. 



platycephalus, 236. 



radiatus, Eichwald, 

 241. 



radiatus, Newberry, 

 242. 



serratus, 240. 



sherwoodi, 242. 



tuberculatus, 242. 



valenciennesi, 234, 236. 



verneuilli, 242. 

 Dittodus, 354. 



parallelus, 355. 

 Dorypterus, 550. 



altbausi, 551. 



hoffinanni, 550. 

 Drepanacanthus, 130, 

 131. 



anceps, 131. 



gemmatus, 132. 



pectinifer, 132. 



reversus, 132. 



stellatus, 133. 

 Drepanaspis, 311. 



gemuendenensis, 311. 

 Drydenius, 437. 



insignis, 437. 

 Ectosteorhachis, 3 IS, 

 378. 



ciceronius, 388. 



nitidus, 388. 

 Edaphodon, 54, 73. 



agassizi, 77. 



bucklandi, 80, 01. 



crassus, 78. 



divaricatus, 85. 



eocajnus, 85. 



eurygnathus, 80, 81. 



Edaphodon (cont.). 



fecundus, 85. 



gaskilli, 85. 



gigas, 77. 



belveticus, 84. 



huxleyi, 73. 



incrassatus, 85. 



kelheiiiiensis, 85. 



laininosus, 83. 



laterigerus, 85. 



leptognathus, 81, 91. 



longirostris, 85. 



niantelli, 75, 84, 91. 



miersi, 85. 



mirificus, 85. 



monolophus, 85. 



reedi, 79. 



sedgwicki, 73. 



smocki, 85. 



stenobryus, 85. 



tripartitus, 85. 

 Edestus, 93, 151. 



davisi, 153. 



giganteus, 153. 



heinrichsi, 152. 



minor, 153. 



protopirata, 153. 



vorax, 153, 154. 

 Elasmobranchii, 1. 

 Elasmodectes, 54, 88. 



willetti, 88. 

 Elasmodus, 54, 88. 



greenoughi, 90. 



hunteri, 89. 

 Elasmognathus, 88. 



willetti, 88. 

 Elonichthys, 487. 



affinis, 496, 497. 



aitkeni, 490. 



binneyi, 499. 



browni, 501. 



bucklandi, 475, 497. 



caudalis, 488. 



crassidens, 500. 



dunsi, 496. 



egertoni, 494. 



germari, 487. 



gigas, 494. 



iutermedius, 495, 496, 

 497. 



lsevis, 500. 



rnacropterus, 491. 



microlepidotus, 500. 



multistriatus, 500. 



nemopterus, 495, 497. 



oblongus, 500. 



ortbolepis, 509. 



ovatus, 495. 



pectinatus, 500. 



peltigerus, 489. 



portlocki, 499. 



Elonichthys (cont). 



pulcherrimus, 498. 



robisoni, 495. 



semistriatus, 488. 



serratus, 499. 



speciosus, 501. 



striatus, 491. 



striolatus, 496. 



tenuiserratus, 496. 

 Erismacanthus, !>3, 

 146, 150. 



jonesi, 146. 



maccoyanus, 147. 



major, 147. 

 " Eso'x eislebensis," 470. 

 Euacanthus, 93, 150. 



margaritatus, 150. 

 Eucephalaspis, 177. 



agassizi, 179. 



aspera, 183. 



lyelli, 179. 



pagei, 183. 



powriei, 182. 

 Euctenius, 93, 155. 



elegans, 156. 



unilateralis, 155. 

 Eukeraspis, 193. 



pustulifera, 193. 

 Eumylodus, 73. 



laqueatus, 86. 

 Eunemacanthus, 03, 

 105. 



costatus, 105. 

 Eupalaeoniscus, 476. 

 Eurylepis, 448. 



corrugata, 450. 



granulata, 449. 



insculpta, 449. 



lineata, 450. 



minima, 450. 



ornatissima, 450. 



ovoidea, 450. 



striolata, 450. 



tuberculata, 449. 

 Eurynotus, 528. 



aprion, 531. 



crenatus, 529. 



fimbriatus, 529. 



insignis, 531. 



microlepidotus, 531. 



tenuiceps, 531. 

 Eurysomus, 534. 



macrurus, 534. 

 Eusthenopteron, 361. 



foordi. 362. 

 Euthacanthus, 28, 31. 



curtus, 32. 



elegans, 32. 



gracilis, 32. 



grandis, 31. 



macnicoli, 30. 



