346 



PAL^OI^TOLOGY. 



Psephodus ? reticulatus, 



St. John and Worthen, 



Carboniferous, 292. 

 Ptychodus papillosus, 



Cope, Cretaceous, 274. 

 Pycnodus beterodon, Di- 



delot, Neocomian, 278. 

 quincuncialis, Blake, 



U. Jurassic, 5. 

 Sphyramodus silovianus, 



Cope, Miocene, Add. 

 *Steramatodus bicristatus, 



bifurcatus, cheirifor- 



mis, compactus, Keo- 

 kuk, simplex, and sym- 

 metricus, St. John and 

 Worthen, Carboni- 

 ferous, 292. 

 *Tanaodus bellicinctus, 

 depressus, grossiplica- 

 tus, polymorphus, prae- 

 nuntius, pumilus, sculp' 

 tus, and sublunatus, 

 St. John and Worthen, 

 Carboniferous, 292. 



Amaltheus Schaumbvirgi, 

 Waagen, Jurassic, 327. 



Ammonites acutus, Tate, 

 Lias, 323. 



Arausionensis and 



Gardonicus, Hebert 

 and Munier-Chalmas, 

 Cretaceous, 310. 



hominalis, Lemani, 



Lucing£e, and Navillei, 

 Favre, Jurassic, 306. 



(Ceratites) fasti- 



giatus, Credner, U. Cre- 

 taceous, 301. 



( ) Pragsensis, 



Loretz, Trias, 313. 



Pralairei, Favre, 



Jurassic, 306. 



Terquemi, Friren, 



Jurassic, 307. 



Salazacensis and 



Vallonnensis, Hebert 

 and Munier-Chalmas, 

 Cretaceous, 310. 



Volgensis, Vischnia- 



koff, Jurassic, 327. 



Aspidoceras binodiferum, 

 diversiforme, iphice- 

 roides, monacanthum, 

 ponderosum, sparsispi- 

 num, subdistractum, te- 

 nuispinatum,& Wynnei, 

 Waagen, Jurassic, 327. 



Belemnites Voironensis, 

 Favre, Jurassic, 306. 

 *Buchiceras serratum, 

 Hyatt, Cretaceous, 312. 



Caloceras Ortoni, Hyatt, 

 Cretaceous, 312. 



Cyrtoceras CarroUensis, 

 Worthen, Silurian, 328. 



Hertzeri and myrice. 



MOLLUSCA. 



Cephalopoda. 



Hall and Whitfield, 

 Silurian, 330. 



Gomphoceras eos. Hall 

 and Whitfield, Silu- 

 rian, 330. 



Haploceras deplanatum 

 and propinquum, 

 Waagen, Jurassic, 328. 



Harpoceras crassifalca- 

 tum, djmastes, lairense, 

 and trilineatum, 

 Waagen, Jurassic, 328. 



Lytoceras rex, Waagen, 

 Jurassic, 328. 



Nautilus Ampezzanus, 

 Loretz, Trias, 313. 



(Discites) Highlan- 



densis, Worthen, Car- 

 boniferous, 328. 



Oppelia nurrhaensis and 

 plana, Waagen, Juras- 

 sic, 327. 



Orthoceras Belgicum, 

 Malaise, Silurian, 315. 



Caereesiense, Hicks, 



Silurian, 18. 



Carleyi, Duseri, and 



Jamesi, Hall and Whit- 

 field, Silurian, 330. 



rectum, Worthen, 



Silurian, 328. 



strix, HaU and 



Whitfield, Silurian, 

 331. 



subfractum, Trome- 



lin and Lebesconte, 

 Silurian, 327. 



turbidum, Hall and 



Whitfield, Silurian,330 



Union ensis, Wort hen, 



Silurian, 328. 



Perisphinctes aberrans, 



*Thrimacodu8 nanus, St. 

 John and Worthen, 

 Carboniferous, 292. 



*Venustodus argutus, 



Leidyi, robustus, tenui- 

 cristatus, and varia- 

 bilis, St. John and 

 Worthen, Carboni- 

 ferous, 292. 

 Xystracanthus acinaci- 

 formis and mirabilis, 

 St. John and Worthen, 

 Carboniferous, 292. 



alterniplicatus, altipli- 

 catus, arcicosta, bathy- 

 plocus, cobra, congener, 

 decorus, denseplicatus, 

 and Dhosaensis, Waa- 

 gen, Jurassic, 327. 



Perisphinctes Eggeri, Am- 

 mon, Jurassic, 47. 



euplocus, Gudjinsi- 



rensis, hians, indoger- 

 manus, lateralis, leiocy- 

 mon, obliquiplicatus, 

 obtusicosta, occulti- 

 furcatus, omphalodes, 

 pagri, paramorphus, 

 perdagatus, and prae- 

 cursor, Waagen, Ju- 

 rassic, 327. 



progeron, Ammon, 



Jurassic, 47. 



pseudorion, rota, 



sparsiplicatus, and sub- 

 colubrinus, Waagen, 

 Jurassic, 327. 



suberinus, Ammon, 



Jurassic, 47. 



subevolutus and 



virguloides, Waagen, 

 Jurassic, 327. 



Petoceras bidens, propin- 

 quum, and semirugo- 

 sum, Waagen, Juras- 

 sic, 327. 



Phragmoceras Byronense, 

 Worthen, Silurian, 328. 



ellipticum and par- 



vum, Hall and Whit- 

 field, Silurian, 330. 



Phylloceras insulare, 

 Jaraense, and bodaiense, 

 Waagen, Jurassic, 328, 



Stephanoceras arenosum, 



