894 D. XII. Mollusca. 7. Einzelne Gattungen und Arten der Mollusken. 



auctam oniaium hujus familiae generum et specierum hodie cognitarum , accedentibus de- 

 scriptionibus aovarum specierum. Pars 1. II. 1859. Ty^ — Ps. I. (X, 352 pag.) 2 Ve 



Ps. II. (p. 353-9X'0.) 42/3 gi^. 



Pfeiffer, Lud., Nachträge zur Monographia Heliceorum viventium. in: Zeit sehr. f. Malako- 



zool. 5. Jahrg. 1848. p. 89—94. 113—123. 

 Nachträge zur Monographia Heliceorum. ibid. 6. Jahrg. 1849. p. 66 — 79. 81 — 95. 



106-112. 



Einige Nachträge zum zweiten Supplemente meiner Monographia Heliceorum. in r 



Malakozool. Blatter, ßd. 6. 1859. p. 1—14. 19-53. 

 Diagnoseo einiger neuen Heiiceen. in: Zeitschr. f. Malakozool. 2. Jahrg. 1845.. 



p. 152—158. — 3. Jahrg. 18i6. p. 128. 144. 158. 159. 4. Jahrg. 1847. p. 12—16. 31. 



32. 65—71. 81—84. 8. Jahrg. 1851. p. 127 — 128. 9. Jahrg. 1852. p.91— 95. 10. Jahrg. 



1853. p. 51—58. 145—151. Malakozool. ßlUHer. ßd. 1. 1854. p. 65 — 07. 223—224. 

 Ueber die verschiedenen zur Gruppe der Helix polymorpha Lowe gehörigen Arten u. 



Forraea. in: Zeitschr. f. Malakozool. 9. Jahrg. 1852. p. 81— 90. 

 Uebersicht des gegenwärtigen Zustandes der Heliceenkunde. ibid. 9. Jahrg. 1852, 



p. 134—144. 145—151. 

 Versuch einer Anordnung der Heliceen nach natürlichen Gruppen, in : Malakozool. 



Blätter. Bd. 2. 1856. p. 112 — 185. 



u. W. Dunker, Diagnosen neuer Heliceen. ibid. Bd. 4. 1857. p. 229—232. 



Descriptioos of thirty new speeies of Helicea , belonging to the coUection of H. Cu- 



miog. in : Proeeed. Zool. Soc. London. XIV. 1846. p. 28 — 34. — A n n. of nat. bist. 



Vol. 18. 1846. p. 58—64. 

 Descriptions of twenty aew speeies of Helicea, in the collection of H. Cuming. ibid. 



XIV. 1846. p. 37—41. — Ann. of nat. bist. Vol. 18. 1846. p. 123—127. 

 Descriptions of nine new speeies of Helicea, collected by H. Cuming. ibid. XIV. 



1846. p. 41—43. — Ann. of nat. bist. Vol. 18. 1846. p. 127—129. 

 Descriptions of nineteen oew speeies of Helicea, from the collection of H. Cu- 

 ming. ibid. XV. 1847. p. 228—232. — Ann. of nat. bist. 2. Ser. Vol. 2. 1848. p. 



288—292. 



Description of fourteen speeies of Helicea , from the collection of H. Cuming. ibid. 



XVI. 1848. p. 109—112. — Ann. of nat. bist. 2. Ser. Vol. 4. 1849. p. 146—149. 



Descriptions of twenty-four oew speeies of Helicea, from the collection of H. Cu- 

 ming. ibid. XVII. 1849. p: 126-131. — Ann. of nat. hist. 2. Ser. Vol. 6. 1850. p. 

 291—296. 



Description of fifty-four new speeies of Helicea, from the collection of H. Cuming. 



ibid. XIX. 1851. p. 252—263. — Ann. of nat. hist. 2. Ser. Vol. 13. 1854. p. 140-152. 

 Descriptions of nineteen new speeies of Helicea , from the collection of H. Cuming. 



ibid. XXI. 1853. p. 124-128. 

 Descriptions of fortv-two new speeies of Helix , from the collection of H. Cuming. 



ibid. XXII. 1854. p. 49—57. 

 Descriptions of sixteen new speeies of Helicea, from the collection of H. Cuming. 



ibid. XXII. 1854. p. 122—126. 

 Descriptions of fifty-seven new speeies of Helicea, from H. Cuming's coUection. ibid. 



XXII. 18d4. p. 286—298. 

 Descriptions of forty-seven new speeies of Helicea, from the collection of H. Cuming.. 



ibid. XXllI. 1855. p. 91-101. 

 Descriptions of nine new speeies of Helicea, from Cuming's collection. (Mit 1 Taf.) 



ibid. XXIII. 1855. p. 106—108. 



Descriptions of fifty-eight new speeies of Helicea. ibid. XXIV. 1856. p. 324 — 336. 



Redfield, John H., Descriptions of new speeies of HeÜCidae. in : Ann. Lyc. of nat. bist. 



New York. Vol. 6- 1855. p. 14—18. 

 Rossmässler, E. A., Diagnoses novorum HeliCCOrum. in : Malakozool. Blätter. Bd. 4» 



1857. p. 38—41. 



Roth, J. R., üeber einige griechische Heliceen. in: Malakozool. Blätter. Bd. 3. 1857. 

 p. 1-7. 



SOWerby, G. ß., Descriptions of new speeies of the family of Helicidae from the Philippine 

 Islands, in: Proeeed. Zool. Soc. London. VIII. 1840. p. 87-91. 96—104. 116—118. 

 135—137. 167-169. IX. 1841. p. 1-3. 17—18. 19—20. 24—26. 39 -40. — Ann. of 

 nat. hist. Vol. 7. 1841. p. 230—234. 337-344. 543-545. 560—561. Vol. 8. 1842. p. 

 72—74. 383—389. 467—470. 527—528. 531-533. 



TrOSChel, F. H., üeber die Mundtheile einiger HeUceen. (Mit 1 Taf.) in : Archiv f. Na- 

 turg. 15. Jahrg. 1849. 1. Bt). p. 225-236. 



Renson, W. H., Characters of seven new speeies of Helix, witb ameoded descriptions of 



