147 
3816 
infrendens, 
Gould, 
Tavoy, 
Bost. Jour. N. H., 4, pi. 24, f 6. 
3817 
ingens, 
Adams, 
Jamaica, 
Conch. Contrib., p. 76. 
innominata, 
Gray, 
515 
. Porto Santo, 
Ann. Phil., new ser., 9, p. 412. ia Helix compacta, Lowe. 
3818 
inornata, 
Say, 
142 
South Carolina, 
Bost. Jour. N. H., 3, p. 419. 
3819 
inquinata, 
Busch, 
83 
Java, 
Phil. Icon., pi. 1, f 4. 
3820 
insolida, 
Ziegl., 
919 
Albania, 
Rossm., f. 506. Helix praetextata, Parr. 
insolida, 
Parr., 
918 
Dalmatia, 
Rossm., f. 224. is Helix Hofihianni, Partsch. 
instita, 
Crist. etJan,738 Sicily, 
Fer., pi. 27, A, f. 7. is Helix candidissima, Drap. 
intercai-inata, 
Mighels, 
479 
Oahu, 
PrOC. Bost. S. N. H., 1845, p. 18. is Helix oontorta, Fer. 
3821 
intermedia, 
Fer., 
941 
Carinthia, 
Fer., pi. 68, f. 1, 2. Helicella intermedia, Fer. 
3822 
“ var.. 
Croatia, 
Rossm., f. 155, 508. Helix cornea. Brum. 
3823 
(( it 
Carniola, 
C. Pfr., 3, pi. 4, f. 17—19. Helix catenulata, Miihlf. 
Lombardy, 
Beck Ind., p. 24. Campylaea intermedia. Beck. 
Held in Isis, 1837, p. 911. Cingulifera intermedia. Held. 
Fer., 69, J, f. 20—23. Helix tetrazona, Jan. 
3824 
interna. 
Say, 
473 
Ohio, 
Jour. B. S. N. H., 3, pi. 21, f. 1. Helix pomum-Adami, Green. 
interposita. 
Ziegl., 
623 
Illyria, 
Rossm., f. 582. is Helix grisoa, Linn. 
interposita. 
Muhlf., 
634 
Italy, 
Rossm., f. 289. is Helix ligata. Mull. 
interrupta. 
Mull., 
Java, 
Chemn. 9, pi. 134, f. 1213, 1214. is Bulimus perversus, Linn. 
interrupta. 
Chemn., 
Philippines, 
Chemn. 9, pi. Ill, f. 938, 939. is Bolimos perversus, Linn. 
intersecta. 
Poir., 
430 
Europe, 
Poir. Prod., p. 81. is Helix caperata, Mont. 
3825 
intertexta. 
Binney, 
91 
Ohio, 
Jour. B. S. N. H.,3, pi. 20, f 2. 
3826 
intorta. 
Sowb., 
685 
Isl. of Bohol, 
Zool. Proc., 1840, p. 168. 
3827 
“ var.. 
Isl. of Capul, 
Reeve C. Syst., pi. 164, f. 10. 
3828 
it it 
Isle of Negros, 
Pfr. Symb., v. 2, p. 31. 
3829 
it it 
Isl. of Siquijor, 
Delessert, pi. 38, f 7, a, b. 
3830 
it it 
Philippines, 
Kust. C. C.,pl. 53, f 8-11. 
introducta. 
Ziegl., 
416 
Italy, 
Rossm., f. 16. is Helix cespitum, Drap. 
3831 
invalida. 
Adams, 
Jamaica, 
Conch. Conch., p. 79. 
inversa, 
Mull., 
Moluccas, 
Chemn. 9, pi. 110, f. 925,926. is Bulimus perversus, Linn. 
3832 
inversicolor, 
• 
Fer., 
14 
Isl. of France, 
Fer., pi. 58, A, f. 7—12. Helicigona inversicolor, Fer. 
3833 
“ var. 
f 
Fer., pi. 58, A, f. 1—6. Carocolla bicolor, Lam., Beck. 
3834 
it it 
Kust. C. C., pi. 86, f. 6, 7. Carocolla Mauritiana,’Beck. 
Helix pnerocunffi, Pdron. 
irregularis. 
Fer., 
898 
Egypt, 
Fer., pi. 28, f. 5—10. is Helix desertomm, Forskal. 
3835 
Isabella, 
Fer., 
802 
Barbadoes, 
Fer., pi. 47, f. 2. Helicogena Isabella, Fer. 
3836 
“ var.. 
West Indies, 
Desh. Lam., p. 48. Helix Barbadensis, Lam. 
Beck Ind., p. 35. Dentellaria Barbadensis, Beck. 
Swains. Mai., p. 329. Lucidula Barbadensis, Swains. 
isodoma. 
Jan, 
337 
Gemona, 
Rossm., f. 153. is Helix Gemonensis, Fer. 
isognomostomos, Gmel., 
1089 
Germany, 
Rossm., f. 18. is Helix personate, Lam. 
isognomostomos, Gmel., 
1094 
New York, 
Wood’s Supp., pi. 7, f 16. is Helix hirsuta. Say. 
Istriensis, 
Muhlf., 
408 
Europe, 
Rossm., f. 356. is Helix variabilis, Drap. 
Itala, 
Linn., 
416 
Italy, 
Rossm., f. 16. is Helix cespitum, Drap. 
3837 
Jacquinoti, 
Pfr., 
478 b 
Marquesas Isles, 
Zeitsch. M., 1849, p. 73. Helix bursatella, 0, Gould. 
3838 
Jamaicensis, 
Chemn., 
3 
Jamaica, 
Fer., pi. 9, B, f. 10, pi. 14, f. 6—9. Helicogena Jamaicensis, Fer. 
