DESCRITTI DA F. SACCO 
INDICE. ALFABETICO 
Acesta, p. 19. 
Acesta clypeiformis, p. 21. 
Id. var. colligens, p. 20. 
Id. crassicosta, p. 21. 
Id. eocenica, p. 21. 
Il. var. eogassinensis, p. 20. 
Id. excavata, p. 19, 20, 21. 
Id. inoceramoides, p. 20, 21. 
Id. miocenica, p. 19, 20. 
Id. orbignyana, p. 21. 
Id. postelypeiformis, p. 21. 
Id. var. stricta, p. 20. 
Id undata, p. 21. 
Aequipecten, p. 13. 
Alectryonia tauroparva, p. 9, 10. 
Id. plicatuloides, p. 10. 
Arcoperna, p. 43. 
Arcoperna capillaris, p. 44. 
Id. filosa, p. 43. 
Id. micans, p, 44. 
Id. radiolata, p. 44. 
Id. sericea, p. 43. 
Id. var. subtriangularis, p. 44. 
Argyroconchytes, p. 26. 
AVvicula, p. 23. 
Avicula atlantica, p. 24. 
Id. var. Companyoi, p. 24. 
Jd. dertocrassa, p. 24. 
Id. var. ficarazzellensis, p. 24. 
Id. hirundo, p. 23, 24, 25. < 
Id. intermedia, p. 25. i 
IA. media, p. 
ld. phalaenacea, p. 23, 24, 25. 
Id. var. phalaenacea, p. 24. 
Id. phalaenoides, p. 24, 25. 
Id. Studeri, p. 25. 
Id. submedia, p. 
Id tarentina, p. 24. 
AVICULIDAE, p. 23. 
Brachwdontes, p. 41. 
Brachydontes ambiguus, p. 42. 
Id. crenellus; p. 42, 
Id. exsulcatus, p. 41. 
ld. Nystii, p. 42. 
Id. var. parvogranosa, p. 42. 
Td. «var. percompressa, p. 42. 
Id. retiferus, p. 42. 
Id. sulcatus, p. 41, 42. 
Id. taurinensis, p. 41, 42. 
Congeria dubia, p. AT. 
Id. latiuscula, p. 47. 
Id. Mayeri, p. 47. 
Crenella sericea, pi 44, 
Ctenoides, p. 18. 
Ctenoides var. Cavouri, p. 18. 
Id. var. Cocconii, p. 19. 
Ctenoides diastropha, p. 19. 
Id. eximia, p. 19. 
Id. var. miotaurina, p. 18. 
Id. var. pliolonga, p. 19. 
Id. scabra, p. 18, 19. 
Id. tenera, p. 18, 19. 
Id tyrolensis, p. 19. 
Divaricolima, p. 19. 
Dreissena Mayeri, p. 47. 
Id. var. pedemontana, p. 48. 
Id. simpler, p. 47, 48. 
Dreissensia. p. 47. 
Dreissensia avisanensis, p. 47. 
Id. Basteroti, p. 47. 
Id. corniculata, p. 48. 
Id. Deshayesi, p. 47. 
Id. dubia, p. 47. 
Id. inaequivalvis, p. 48. 
Id. latiuscula, p. 47. 
Id. latiuscula, p. 48. 
Id. var. Mayeri, p. 47. 
Id. var. pedemontana, p. 47. 
Id. Perrandoi, p. 48. 
Id. var. polymorpha, p. 47. 
Id. rostriformis, p. 48. 
Id subbasteroti, p. 47. 
DREISSERSIMAR, p. 47. 
Gibbomoediola, p. 4l. 
Gibbomodiola taurarcuata, p. 41. 
Grezariella, p. 42. 
Gregariella aequistriata, p. 43. 
Id. var. antelaevis, p. 43. 
Id. var. Petagnae, p. 42. 
Id. var. plioparva, p. 43. 
Lima Astensis, p. 15. 
Id. Astensis, p. 20. 
Id. bullifera, p. 14. 
Id. bulloides, p. 17. 
Id. coarctata, p. 14. 
Id. Cocconii, p. 19. 
Id. dilatata, p. 13. 
Id. dispar, p. 13. 
Id. elliptica, p. 18. 
Id. var. eocenica, p. 21. 
Id. exilis, p. 16. 
Id. eximia, p. 19. 
Td. gigantea, p. 19. 
Id. hians, p. 16. 
Id. Hornesi, p. 22. 
id. inflata, p. 15, 16. 
Id. moceramoides, p. 20. 
Id. lima, p. 14. 
Id. Loscombii, p. 17. 
Id. Maraschinii, p. 15. 
Id. Mignaccii, p. 13. 
Id. miocenica, p. 20. 
