Helix myristica Shuttl. 
Stenogyra hannensis Rang. 
Caecilianella amoenitatum n. sp. 
Buliminus gemmula Benson. 
— subdiaphanus King. 
Pupa Milleri Dohrn. 
— gorgonica Dohrn. 
— acarus Benson. 
— molecula Dohrn. 
Suceinea Lowei Dohrn, 
31 
Suceinea Wollastoni Dohrn. 
Limnaea sordulenta Morelet (Stübeli 
Reib.) 
— Ribeirensis Reib. 
Physa Wahlbergi Krauss. 
Planorbis coretus Dkr. 
Ancylus Milleri Dohrn. 
Melania Tamsi Dkr. 
Paludinella acuta Drp. 
Dazu kommen noch von Bouvier gesammelt und von 
Morelet (Journ. Conch. XXI. p. 231) beschrieben: 
Helix Bouvieri Morelet. 
— armillata Lowe. 
— primaeva Morelet foss. 
— atlantidea Morelet foss. 
Stenogyra decollata L. 
Cion. maderensis Albers. 
Pupa anconostoma Lowe. 
Carychium minus Fer. 
Melampus flavus Gmel. 
Bul. ventricosus Drp. 
Hel. corneovirens Pfr. 
Hyalina Draparnaldi Beck. 
6) Von der Ilha do Principe führt Dohrn (Mal. Bl. XIH. 
p. 116) folgende Arten auf: 
Dendrolimax Heynemanni Dohrn. 
Veronicella myrmecophila Heyn. 
Vitrina dumeticola Dohrn. 
Nanina aglypta Dohrn. 
— Folini, Morelet. 
Achatina bicarinata Brug. S. Thome 
Perideris Alabaster Rang. 
Columna flammea Mart. 
— Leai 'Iryon. 
Buliminus Burnayi Dohrn. 
— eminulus Morelet. 
Stenogyra pauper Dohrn. 
— siriatella Rang. 
— angustior Dohrn. 
Streptostele lotophaga Morelet. 
— fastigiata Morelet. 
— Folini Morelet. 
— Moreletiana Dohrn. 
Ennea cerystallum Morelet. 
— sorghum Morelet. 
Succinea concisa Morelet, 
Melampus flavus Gmel. 
— pusillus Gmel. 
Pedipes sp. 
Truncatella princeps Dohrn. 
Neritina aequinoctialis Morel. 
— Manoeli Dohrn. 
?) Von der Insel San Thome sind bekannt: 
| Nanina Welwitschii Morelet. 
Nanina hepatizon Gould Liberia. 
— thomensis Dohrn. 
— chrysostieta Morelet. 
Bulimus exaratus Müller, 
— Boeageanus Crosse, 
