— 184 — 



1.S55. Pfeiffer, Dr. Ludwig, Versuch einer Anordnung der Pleliccen nacli natürlichen Gruppen. 



In: Malak. Bl., Jahrg. 2, 1855, pag. 112—185. Darin IX. Gattung : Achatinelia pag. 162 — 166 

 und XI. Gattung : Spiraxis (Carelia) pag. L66. 

 1855. Pfeiffer, Dr. Ludwig, Descriptions of Twenty-seven New Species of Achatinelia, from the 

 Collection of H. Cuming, Esq., collected by Dr. Newcomb and by Mons. D. Frick, lata Consul- 

 General of France at the Sandwich-Islands. 



In: Proc. Zool. Soc. London, Part XXIII, 1855, pag. 1 — 7, PI. XXX, Fig. 1-27. 

 1855. Pfeiffer, Dr. Ludwig, Descriptions of forty-seven New Species of Helicea, from the Collection 

 of H. Cuming, Esq. 



In: Proc. Zool. Soc. London, Part XXIH, 1855, pag. 01 — 101. PI. XXXI. (Die Sandwich-Arten 

 ohne Abbildungen.) 

 1855. Pfeiffer, Dr. Ludwig, Descriptions of nine New Species of Helicea, from Mr. Cumings collection. 



In: Proc. Zool. Soc. London, Part XXIII, 1855, pag. 106—108, PI. XXXII, Fig. 1. 

 1855. Pfeiffer, Dr. Ludwig, Descriptions of Twenty-three New Species of Achatinelia, collected by 

 Mr. D. Frick in the Sandwich Islands ; from Mr. Cumings Collection. 

 In: Proc. Zool Soc. London, Part XXIII, 1855, pag. 202—206. 

 1855. Pfeiffer, Dr. Ludwig, Descriptions of Sixteen New Species of Achatinelia, from Mr. Cumings 

 Collection, collected by Dr. Newcomb in the Sandwich Islands. 



In: Proc. Zool. Soc. London, Part XXIII, 1855, pag. 207 — 210. (Sämtlich von Newcomb be- 

 nannte Arten; die Abbildungen dazu finden sich in ,Amer. Journal of Conchology", Vol. 2, 1868, 

 Taf. 13, Fig. 1 — 16.) 



1855. Pfeiffer, Dr. Ludwig, Descriptions of Five New Species of Terrestrial Mollusca, from the Col- 

 lection of C. Cuming, Esq. 



In: Proc. Zool. Soc. London, Part XXIII, 1855, pag. 210—211. 



1856. Pfeiffer, Dr. Ludwig, Descriptions of Fifty-eight New Species of Helicea, from the Collection 

 of H. Cuming, Esq. 



In: Proc. Zool. Soc. London, Part XXIV, 1856, pag. 324—336. (Abbildung zu Ach. Kauaiensis 

 in Nov. Conch. Bd. IV, Taf, 126, Fig. 8-11.) 



1857. Pfeiffer, Dr. Ludwig, Über die in Goulds Expedition Shells beschriebenen und abgebildeten 

 Landschnecken. 



In: Malak. Blätter, Jahrg. 4, 1857, pag. 29-37. 

 1857. Pfeiffer, Dr. Ludwig, Neue Landschnecken. 



In: Malak. Blätter, Jahrg. 4, 1857, pag. 85—89. 



1857. Pfeiffer, Dr. Ludwig, Diagnosen neuer Heliceen. 



In: Malak. Blätter, Jahrg. 4, 1857, pag. 229—232. (Abbildungen dazu: Proc. Zool. Soc, 

 Part XXVI, 1858, Taf. 40, Fig. 8-11.) 



1858. Pfeiffer, Dr. Ludwig, Diagnosen von 73 neuen Achatinellcn von Rev. J. T. Gulick. 



In: Malak. Blätter, Jahrg. V, 1858, pag. 198-224. 



1858. Pfeiffer, Dr. Ludwig, Descriptions of Eleven New Species of Land-Shells, from the Collection 

 of H. Cuming, Esq. 



In: Proc. Zool. Soc. London, Part XXVI, 1858, pag. 20-23. PI. XL, Fig. 8 — 11. 



1859. Pfeiffer, Dr. Ludwig, Descriptions of Eight New Species of Achatinelia, from Mr. Cumings 

 Collection. 



In: Proc. Zool. Soc. London, Part XXVII, 1859, pag. 30—32. 

 1859. Pfeiffer, Dr. Ludwig, Rezension des VI. Bandes der , Annais Lyceum Nat. Hist. New-York, 

 1853-1858." 



In: Malak. Blätter, Jahrg. VI, 1859, pag. 178 — 188. (Darin Besprechung der oben zitierten New- 

 combschen (3) und Gulickschen (1) Arbeiten) 

 1859. Pfeiffer, Dr. Ludwig, Monographia Heliceorum viventium. Vol. IV, 1859, pag. 515 — 570, Genus 

 Achatinelia; pag. 571 u. 672, Genus Spiraxis (Carelia). 



