165 
Helix leucas, Linn. 
Carocolla cinae, Menke. 
Pithogaster, 
Per., 
Philippines, 
Fer., pi. 108, f. 3. 
i.s Bulimus Pithogaster, Fer. 
4191 
planata, 
Chemn., 
453 
Morocco, 
Chemn. 11, pi. 209, f. 2067— 69. Carocolla planata, Lam. 
4192 
“ var., 
Canary Isles, 
Wood Supp., pi. 7, f. 7. 
Helicella planata, Fer. 
4193 
Fer., pi. 30, f. 2. 
Helix helicella, Wood. 
Kust. C. C., pi. 21, f. 10-12. 
Carocolla lenoas, Menke. 
Beck Ind., p. 15., 
Theha planata. Beck. 
Theha orythrostoma, Beck. 
planidens, 
Rang, 
Brazil, 
Kust. C. C., pi. 3, f. 1. 
is Bulimus planidens, Michc. 
planorbis, 
Gmel., 
444 
Algeria, 
Kust. C. C., pi. 20, f. 3, 4. 
is Helix cxplanata. Mull. 
planorbis, 
Jay, 
1013 
Guayaquil, 
Jay’s Cat., 1839, pi. 1, f. 6, 7. 
is Helix nionile, Brod. 
planorbis-marginatus, Chemn., 
444 
France, 
Chemn. 9, pi. 126, f. 1102. 
is Helix explanata, Miill. 
4194 
Planorboides, 
Raf., 
521 
Ohio, 
Fer., pi. 82, f. 4. 
Helicella Planorhoides, Fer. 
4195 
“ var. 
y 
Illinois, 
Kust. C. C., No. 608. 
Mesomphix Planorboides, Raf, 
Phil. Journ., 2, p. 159. 
Helix concava, Say. 
Beck Ind., p. 24. 
Circinaria Planorboides, Beck. 
planorbula, 
Lam., 
1063 
Florida, 
Delessert, pi. 26, f. 3. 
is Helix cereolus, Miihlf. 
planospira, 
Phil., 
907 
Sicily, 
Phil. Sic., 1, p. 130. 
is Helix maerostoma, Muhlf. 
planospira, 
Cantr., 
920 
Alps, 
Cantr. Mai., p. 113. 
is Helix trizona, Ziegl. 
planulata, 
Ant., 
41 
Isl. of Opara, 
Kust. C. C., pi. 30, f. 8-10. 
is Helix orbis. Beck. 
4196 
planulata, 
Lam., 
987 
Lucjon, 
Fer., pi. 73, A, f. 3. 
Helicella planulata, Fer. 
4197 
“ var., 
Isl. of Luban, 
Swains. Z. 111., pi. 9. 
Helix auriculata, Swains. 
4198 
(( ft 
Philippines, 
Wood Supp., pi. 7, f. 4. 
Helix papilionaoea, Valcnc. 
Fer., pr. 187. 
Helicella oollapsa, Fer. 
Perry Conch., 51, f. 5. 
Planorbis collapsus. Perry. 
Beck Ind., p. 30. 
Obba planulata. Beck. 
Swains. Malac., p. 330. 
Pusiodon auriculata, Swains. 
4199 
platychela, 
Menke, 
736 
Sicily, 
Rossm., f. 443-445, 593. 
Helix praetexta, Jan. 
4200 
“ var., 
Phil. Sic., 2, p. 104. 
Helix sicana, var., Phil. 
Beck Ind., p. 39. 
Helicogena platychela. Beck. 
Phil. Sic., 1, pi. 8, f. 19. 
Helix sphaeroidea, Phil. 
4201 
plebeja. 
Drap., 
364 
Austria, 
Drap. Moll., pi. 7, f. 5. 
Helix plebejum, Drap. 
4202 
“ var.. 
Carniola, ' 
Rossm., f. 360 et 437. 
Helix lurida, Ziegl. 
Mount Jura, 
Kust. C. C,, pi. 97, f. 26-28. 
Bradybaena lurida. Beck. 
C. Pfr., 3, pi. 6, f. 14, 15. 
Helix separanda, Ziegl. 
Rossm., f. 360. 
Helix pterididea, Ziegl. 
Mich. Comp., p. 29. 
Helix rudis. Stud. 
Held in Isis, p. 914. 
Fruticicola lurida. Held. 
Desh. Lam., p. 72. 
Fruticicola separanda. Held. 
Beck Ind., p. 20. 
Bradybaena plebeja, Beck. 
4203 
plicata. 
Born, 
1036 
Panama, 
Guer. Mag. Zool ., 1838, pi. 10. Helix labyrinthus, /?, Fer. 
4204 
“ var.. 
Porto Cabello, 
Kust. C. C., pi. 104, f. 1-4. 
Carocolla labyrinthus, Lam. 
Central America, 
Fer., pi. 54, B, f. 4. 
Carocolla Hydiana, Lea. 
Reeve C. Syst., pi. 167, f. 3. 
Carocolla plioata, Chemn. 
