Conchifera. 152 Oetrea. 



congesta, Con. Nicollett's Rep. p. 169. Neb., Mo., Ark. C. 



conica, Sow. Sp. (ExoGYBA), d'Orb. P. F. 726. 

 convexa, Say. (G. vesicularis), Am. Jour. Sci. vol. ii, 1st s. p. 42. 

 clavata, Nilss. (G. vesicularis), P. Suec. 30, 7, 2. 

 colubrina, Goldf. not Lam. (macroptera), P. G. 8, 74, 5. 

 Couloni, Defr. (ExoGYRA), d'Orb. P. F. 698, pi. 466 and 467. 

 conirostriSj Munst. (acutirostris), in Goldf. P. G. 25, 82, 4. 

 crepidula, d'Orb. (E. inflate), Voy. Astrol. pi. 8, f. 43, 44. 

 crenulata, Tuomey, 1855, Proc. Acad. p. 171. Ala. C. 



crenulimargo, Roem. Kreid. Tex. 76, 9, 6. Texas. C. 



crenulimarginata, Gabb, J. Acad. 2d s. vol. iv, 398, 68, 40, 41. 



Tenn. C. 



cretacea, Morton, Syn. 52, 19, 3. S. Carolina. 

 cristacompticata, Schlot. (frons), Petr. P. 242. 

 cristagalli, Schlot. (frons), Petr. 240. 

 cristahastellatusj Schlot. (frons), Petr. 243. 

 cristaurogalllj Schlot. (larva), Petr. 213. 



curvirostris, Nilss. P. Suec. 30, 6, 5. Sw., G. C. 



denticulifera, Con. Jour. Acad. 2d s. vol. iii, 329, 36, 1-8. 



Ala., Miss., Tenn. C. 



diluviana, Lain. 1767, Syst. Nat. p. 114. Fr., G., Sw., Crimea. 



G'., U. G. 



diluviana, Nilss. not Lam. (frons), P. Suec. 32, 6, 1-2. 

 deltoidea, Lain. (G. vesicularis), Lam. pi. 25, f. 2-5. 

 doridetta, Lam. (larva), An. S. Vert. vol. vi, p. 210. 

 distorta, Sow. (E. bulla), G. T. vol. iv, 229, pi. 22, f. 21. 

 fakata, Morton (larva), Synop. 50, 3, 5. (not Sow.*) 

 fidbettay Goldf. Sp. (E. plicata), d'Orb. P. F. p. 717. 

 flabelliformis, Nils, (semiplana), P. Suec. 31, 6, 4. Sw., G. C. 

 frons. Park. Org. Hem. 217, 15, 4. E., Fr., G., Sw. C. 



Galloprovincialisj Math. (Acutirostris), Cat. 193, 32, 8. 

 GehrdensiSj Roein. (Turonensis), Nord. Kreid. p. 46. 

 glabra, M. & H. 1857, Proc. Acad. p. 146. Nebraska. C. 



harpa, Goldf. (frons), P. G. 11, 75, 3. 



hemispherica, d'Orb. Prod. (G. cymbriura), Am. Mer. 106, 22, 3-4. 

 hippopodium, Nilss. P. Suec. 30, 7, 1. G. ; Fr., Sweden. C. 



liippopodium, d'Orb. pars, not Nils. (Lesueurii), P. F. 731, 



481, 4-6. 



# It was unfortunate that Dr. Morton should have named this species Cretacea, 

 since it has since been proven to be an Eocene fossil. See note under Conns 

 gyratus. 



