XII. Mollusca. 7. Einzelne Gattungen und Arten der Mollusken. 895 



some species previously described, and notes od others requiring remarks. in: Ann. of 



nat. bist. 2. Ser. Vol. 2. J848. p. 158- 164. 

 BenSOn , W. H., Characters of several new East Indian and South Africao Helices, with 



remarks on seine other species of the genus occurring at the Cape of Good Hope. ibid. 



Vol. 5. 1850. p. 213—217. 

 Characters of new species of Helix from India, Mauritius and the Cape of Good Hope, 



also of a new Mauritian Tornatellina, with remarks oo the habits of a Cape Succinea. 



ibid. Vol. 6. 1850. p. 251—256. 

 ■ Descriptions of five new species of Helix from the Cape of Good Hope, with remarks 



on the known Soulh-African species, and a notice of several Cape Limaces. ibid. Vol. 7. 



1851. p. 103—107. 



Characters of new species of Helix from Soulhern India and Beogal. ibid. Vol. 9. 



1852. p. 404—407. 



Characters of several Helices from West Australia and the Mauritius; with notes on 



some species of Cyclosloma from Borneo. ibid. Vol. 11. 1853. p. 29 — 33. 



Descriptions of one Indian and nine new Burmese Helices, and notes on two Burmese 



Cyclostomacea. ibid. Vol. 18. 185G. p. 249—254. 



Descriptions of six new species of Helix, Streptaxis and Vitrina collected by W. 



Theobald jun. in Burmah etc. ibid. 3. Ser. Vol. 3. 1859. p. 184—189. 

 New Helicidae from the same places. ibid. p. 387 — 393. 



Characters of a new Burmese Streptaxis (Jankeyi n. sp.) and of two forms of belonging 

 to a peculiar section of Helix. ibid. p. 471 — 474. 



Binney, Arnos, A Monograph of the Helices inhabihng the United States, in: Boston 

 Jouro. Nat. Hist. Vol. 1. 1837. p. 466 sq. Vol. 3. 1841. p. 353—394. 405—438. 



Descriptions of species of Helix, newly observed in tbe United States, ibid. Vol. 4. 



P. 2. 1842. p. 241—242. 



Descriptions of two undescribcd species of North American Helices. ibid. Vol. 4. 



P. 3. 1843. p. 360—362. 



firiganti, Vinc. , Descrizioni di due nuove speeie di Elici. (Mit 2 Taf.) in: Mem. della 

 R. Accad. di Sc. di Napoli. Vol. 2. P. 2. 1825. p. 165-176. 



D'Aubenton , L. J. M., Distribution metbodique des coquillages et description particuliere 

 d'une espece de buccin ou de lima^on terrestre. in : Hist. (et Mem.) Acad. Scienc. Pa- 

 ris. 1743. p. 45—48. 



DeSÜayeS, G. P. , Anatomie comparee de divers types de Mollusques atlribues au grand 

 genre Helice. (Mit Taf.) in : An n. Scienc. natur. Tom. 22. 1831. p. 345—354. 



Notice sur plusieurs especes d'Helices, confondues ä torl par les auteurs. in: Revue 



zool. 1838. p. 19. 



Edwards, H. Milne, De l'appareil circulatoire du Colimafou. in: Ann. Scienc. natur. 



3. Ser. Zool. Tom. 8. 1847. p. 71-75. 

 Gould, A.A., Two species of Helix from tbe Sandwich Islands, in: Proceed. Boston 



Soc. Nat. Hist. Vol. 1. 1844. p. 174. 

 New species of Helix of the ü. S. Explor. Exped. ibid. Vol. 2. 1847. p. 165—167. 



170—173. 175-176. 177—179. 

 Gratiolet, Pierre, Observations sur les Zoosperraes des Helices. (Mit 1 Taf.) in: Journ, 



de Conchyl. Tom. 1. 1850. p. 116—125. 236—238. 

 Quelques faits relatifs ä la generation des Helix. in: Soc. Philom. Extr. Proces 



verb. 1849. p. 65— 69. — l'I n s ti t u t, XVII. r\'o. 81 0. 1849. p. 220—221. 

 Jonas, J. H., Descriptions of new species of HeÜX and B u l i m u s. in: P r o c e e d. Zool. 



Soc. London. X. 1842. p. 188—189. 

 KaleniCZenkO , J. , Revision des Escargots (Helix) russes , enumeres par J. A. Krynicki. 



in: Bull. Soc. Imp. Natur. Moscou. XXVI. 1853. II. p. 68—90. 

 Krynicki, Job., Helices proprie dictae in limitibus Imperii Rossici observatae. in: Bull. 



Soc. Imp. Natur. Moscou. IX. 1836. p. 145—214. 

 Laurent, P., Sur les organes sexuels des Colima^ons. in: Soc. Philom. Extr, Proces verb. 



1848. p. 30. — l'Institut, XVI. No. 746. 1848. p. 120. 

 Lea, Is. , Description of a new species of HeliX from California and a new characteristic 



form of certain American Colimaceae. in : Tr a n s ac t. Araer. Philos. Soc. N. S. Vol. 10. 



1853. p. 303—306. 



Notice sur le fulcrum de certaines HeliceS. in: Journ. de Conchyl. Tom. 4. 1853. 



p. 206—208. 



Le GuillOU, E., Description de vingt-sept especes d'HeliceS nouvelles. in: Revue zool. 



1842. p. 136 — 141. 

 Description de six Helices nouvelles. ibid. 1845. p. 187—188. 



Menke, K. Th. , Kritische Bemerkungen über diejenigen HeÜCeS, welche Linne aus den 



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