406 HELIX §. 74. 75. 



perist. album, breviter reflexum, marginibus callo junclis. — 

 Diam. maj. 46, min. 41 , alt. 13 miil. (Goll. Nr. 640.) 

 Helix polygyrata Born test. p. 373. t. 1 4. f. 19. 20. 



— — Chemn. IX. P. 2. p. 98. t. 127. f. 1 124. 23. 



— — (Helicella) Fer. pr. 194. Hlst. t. 69 A. f. 7 — 9. 



t. 69 B. f. 5. 



— — Lam. ed. Dh. 150. p. 98. 



— — Desh. in Fer. hist. p. 4. 



— — Moric. Mem. 3e suppl. p. 57. t. 5. f. 1—3. 



— — Chemn. ed. II. Helix N. 568. t. 90. f. 1 — 3-. 



— polygyra Gmel. p. 3624. N. 233. 

 ..Polygyra? polygyrata Beck ind. p. 23. 



Habitat in Brasilia. 



Obs. Variat magniludine. Specimina vidi paulo majora et multo minora. 

 •— Tesle Moricand plicae dentiformes 3 — 5 in fundo anfractus ullimi , margi- 

 nem nunquam altingenles, adsunt. j^">^'^i^'^'>>^^^-'^TJt/.J/a./,j-^,/^,ml' 



1056. H. helicycloides Orbigny. •J- '^xZkJf- 



T. umbilicata, orbiculato-concava , depressa, tenuis, subdia- 

 phana, griseo-flavicans, striata, subtus sublaevigata; spira con- 

 vexa, apice concavo; anfr. 10; apertura obliqua, semilunaris; 

 labrum crassum, album. — Diam. 16, alt. 5 mill. (0.) 

 Eelix helicycloides Orb. synops. p. 6. 



— — Orb. voy. p. 246. t. 28. f. 1 —4. 



— — Desh. in Fer. hist. p. 10. t. 69 B. f. 3. 

 Polygyraf helicycloides Beck ind. p. 23. 



Habitat in republica Boliviana. 



§• 75. 

 1057. H. achatina Gray. 



T. sinistrorsa, latissime umbilicata, depressis^lma^^discolciea, 

 laevigata, superne rufa, albido maculata et flammata, basi pal- 

 lida; spira plana, medio vix elevatiuscula; anfr. 6^2 subplanulati, 

 ultimus a latere subcompressus , antice subito deflexus ; apertura 

 subhorizontalis , oblongo-subcircularis ; perist. fusculum, undique 

 expansum et reflexum, marginibus lamina prominente, lamellam 

 profunde intrantem emittente junctis. — Diam. maj. 31 , min. 24. 

 alt. Syamill. (Coll. Gray.) 

 Helix achatina Gray Mus. 



— . — Pfr. in Zeitschr. f. Mal. 1845. p. 86. 



[i. Minor: diani. maj. 23, min. 18, alt. 6 mill. (CoU. Nr. 6 41.) 



Helix achatina Chemn. ed. II. Helix N. 398. t. 66. f. 28 — 30. 

 Habitat in America meridionali? (Gray.) Var. /? specimina plura 

 a Theod. Philippi prope Mergui imperii birmani lecta sunt. 



