43 



Natica suprajmensis 15uv. VII, 15a, b. 

 Chemnitzia paludiniformis Buv. VII, lüa, b. 



do. VII, 16 c. 



Cerithium nodosmn A. Rmr. sp. VII, 17 a, b. 

 Chemnitzia abbreviata A. Rmr. sp. VIII, 1 a, b. 

 f'hemnitzia Lorioli ii. sp. VIII, 2 a, b. 



do. VIII, ;5. 



Chemnitzia striatella v. Seeb. VIII, 4 a. 



do. VIII, 4 b. 



Aporrhais cittgulatus Dkr. u. K. sp. VIII, öa, b. 

 Aporrhais intermediiis Piette. VIII, 6 a, b. 

 Nerinea gradata d'Orb. VIII, 7. 

 Nerinea Curmontensis P. de Loriol. VIII, 8 a, b. 



do. VIII, 8 c. 



do. VIII, 9. 



Serpula s|iiralis Münster. VIII, 10. 



W e a 1 (1 1' II li i 1 d u n ge II der Umgegend von 



H a n n V e r. 



L nio porrectus Sow. I, 1. 

 l"nio Mantelli Sow. I, 4. 

 Unio porrectus Sow. I, 5. 

 Unio Dunkeri n. sp. I, 6. 

 Tnio subporrectus A. Rmr. I, 7. 

 do. I, 8. 



l'nio tenuissimus n. sp. T. iJ a, b. 



do. I, 10. 



Mytilu.-* nienibranaceiis Dkr. I, 11. 

 do. I, 12. 



Unio planus A. Rmr. II, 1. 

 Unio elotigatus n. sp. TL 2. 

 do. II, :•?. 



Corl)ula sublaevis A. Rmr. sp. II, 4. 

 Corbula inflexa A. Knir. sp. II. .t a, b. 

 do. II. 7. 



do. II, 8 a, b. 



Corbula alata Sow. 11, S c, d. 

 do. II, 9. 



do. II, 10 a — c. 



do. II, 11. 



do. II, 12. 



Cvreiin Psrbeckensis Struckm. II, 13 a, b. 



do. II, 14. 



Cvreiia lentiformis A. Rmr. II, loa — c. 

 Cyrena subtransversa A. Rinr. II, 16. 

 Gervillia obtusa A. Rmr. II, 17. 

 do. II, 18. 



Gervillia arenaria A. Rmr. II, 19 u. 20. 

 Valvata helicoides Forbes. II, 21 a, b. 

 Valvata Deisteri Struckm. II, 23 a — c. 

 Littorinella elongata Sow. sp. II, 24 a, b. 

 Littorinella Sussexiensis Sow. sp. II, 25. 



do. II. 26 a— c. 



Ilybodus niarginalis Ag. III, 1. 

 I'holidophorus splendens n. sp. III, 2. 

 do. III, 3. 



do. 111, 4. 



Eugnathus sp. III, 5. 

 Pvcnodus Mantelli Ag. 111, (i. 

 do. III, 7. 



Mierodon Hugi Ag. sp. 111, 8. 

 Hybodus polyprion Ag. III, !•. 

 Hybodus dubius Ag. III, 10 a, b. 

 Littorina Völksensis. V, 4. 

 Cyrena Mantelli Dkr. V, 5. 



Neue Beiträge zur Kenntnis des oberen 

 Jura und der Wealdenbildungen der 



Umgegend von Hannover. 

 Cidaris Blumenbachi Muenster (Stachel). I, 1. 

 do. I. 2. 



Cidaris cervicalis Ag. (Stacheln). I, 3 — 6. 

 Pseudocidaris Thurmanni Etallon. I, 7 a, 1). 

 Pseudodiadema planissimum Desor. I, 8 a — c. 

 Ecliinobrissus Damesi Struckm. I, 9 a — c. 

 Ec-hiBobrissus Peroni Ktallon. I, 10 a — c. 



do. I, 11 a, b. 



Serpula turliiniforniis Ktallmi. I, 12. 

 do. I, 13. 



Spirorbis compressus Etallon. I, 14 a — c. 

 Ceriopora dendroides Struckm. I, 16 a, b. 

 Thecidea Deisteriensis Struckm. I, 18. 

 do. I, 19. 



do. I, 20. 



do. I, 21. 



Pecten globosus Quenstedt. I, 22 a, b. 

 do. 1, 23 a, b. 



Pecten comatus Muenster. III. 1. 

 Pecten sublaevis A. Roem. III, 2. 

 Pecten concentricus Dkr. u. K. ' 111, 3. 

 Avicula multicostata A. Roem. III, 4. 

 Mytilus Autissiodorensis Cotteau. III, 5 a, b. 

 Lithophagus elliiisoides Buv. sp. III, 6 a — c. 

 Lithophagus gradatus Buv. sp. III, 7 a — c. 

 Lithophagus arcoides Buv. sp. III. 8 a, b. 

 do. III, 9 a, b. 



Unio inflatus Struckm. III, 10. 



do. III, IIa, b. 



Cardinia suprajurensis. III, 12 a, b. 

 do. III, 13 a, b. 



Cardita Coeuilti P. de Lor. III, 14 a — c. 

 Astarte Lorioli Struckm. 111, 15 a, b. 

 Opis suprajurensis Contej. III, 16. 

 Corbieella ovalis A. Rmr. sp. III, 17. 

 Cardium dissimile Sow. III, 18 a — c. 

 Isodonta (Sowerbyia) Dukei Dämon sp. III, 19. 

 Anisocardia Liebeana Struckm. I\^, 1. 

 do. IV, 2. 



do. IV. 3. 



Anisocardia isocardina Buv. sp. IV, 4 a, b. 

 . Mactromya Koeneni Struckm. IV, 5 a, b. 

 do. IV, 6. 



Anatina Ahlemensis Struckm. IV, 7. 

 Corbula Deshayesea Buv. IV, 8 a, b. 

 do. IV, 9 a, b. 



da, IV, 10 a, b. 



Corbula prora Sauvage. IV, IIa, b. 

 do. IV, 12 a, b. 



Corbula Autissiodorensis Cotteau. IV, 13 a. b. 

 do. IV, 14 a, b. 



Corbula Forbesiana P. de Loriol. IV, loa. b. 

 do. IV, 16 a, b. 



do. IV, 17 a. b. 



Patella Neumayri Struckm. IV, 18 a, b. 

 do. IV, 19 a, b. 



Delphinula ornatissima Struckm. IV, 20 a — d. 

 Pileolus Mosensis Buv. IV, 21a — c. 

 Turritella niinuta Dkr. u. K. IV, 22 a, b. 

 do. IV, 23 a, b. 



Melania Laginensis Struckm. IV, 24 a, b. 



do. IV,25a,b,IV,26a,b. 



Pteroceras Oceani Brongn. IV, 27. 

 do. IV, 28. 



