50(3) October 1, 2008

Valiguna flava (Heynemann, 1885) from Indonesia and Malaysia: Redescription and Comparison with Valiguna siamensis (Martens, 1867) (Gastropoda: Soleolifera: Veronicellidae) 
 SUZETE RODRIGUES GOMES, JULIANE BENTES PICANÇO, MENNO SCHILTHUIZEN AND JOSÉ WILLIBALDO THOMÉ, p. 163 

Review of the Genera Ividia, Folinella, Oscilla, Pseudoscilla, Tryptichus and Peristichia (Gastropoda, Pyramidellidae) from Brazil, with Descriptions of Four New Species 
 ALEXANDRE D. PIMENTA, FRANKLIN N. SANTOS AND RICARDO S. ABSALÃO, p. 171 

Galba truncatula Müller, 1774 (Pulmonata: Lymnaeidae) in Argentina: Presence and Natural Infection by Fasciola hepatica (Linnaeus, 1758) (Trematoda: Digenea) 
 LAURA ISSIA, SILVIA M. PIETROKOVSKY, FLORENCIA KLEIMAN, PABLO CARMANCHAHI AND CRISTINA WISNIVESKY-COLLI, p. 185 

Diel Patterns of Vertical Distribution in Euthecosomatous Pteropods of Hawaiian Waters 
 DANIEL T. NIGRO AND ROGER R. SEAPY, p. 190 

Two New Species of Doriopsilla from the Tropical Western Atlantic with Remarks on Cariopsillidae Ortea & Espinosa, 2005 
 ÁNGEL VALDÉS AND JEFF HAMANN, p. 210 

Dendropoma mejillonensis sp. nov., a New Species of Vermetid (Caenogastropoda) from Northern Chile 
 ALDO PACHECO AND JÜRGEN LAUDIEN, p. 219 

New Genera and Species of Peristerniinae (Gastropoda: Fasciolariidae) from the Caribbean Region, with Comments on the Fasciolariid Fauna of Bermuda 
 WILLIAM G. LYONS AND MARTIN AVERY SNYDER, p. 225 

Injuries on Nautilus Jaws: Implications for the Function of Ammonite Aptychi 
 ISABELLE KRUTA AND NEIL H. LANDMAN, p. 241 

Effect of Temperature and Feeding Preference on Submerged Plants by the Island Apple Snail, Pomacea insularum (d’Orbigny, 1839) (Ampullariidae) 
 L. A. GETTYS, W. T. HALLER, C. R. MUDGE AND T. J. KOSCHNICK, p. 248

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