^^ 



ilLIBRARY 



THE NAUTILUS. 



VOL. XI. AUGUST, 1897. No. 4. 



NOTE ON LANDSHELLS FROM THE MALAY PENINSULA. 



BY W. H. BALL. 



The National Museum has received an interesting small lot of 

 landshells from Dr. W. L. Abbott, collected in the vicinity of 

 Prang, on the Malay Peninsula. One of them appears to be new, 

 and particularly elegant. The others have been identified by the 

 aid of Mr. Charles T. Simpson and Professor H. A. Pilsbry. The 

 list is as follows : 



Ariophanta retrorsa Gould. 



Planispira hardouini De Morgan. 



Hemipleeta Leechi De Morgan. 



Macrochlamys resplendens Phil. 



Macrochlamys diadema Dall, n. sp. 



Helicarion lineolatus von Martens. 



Amphidromus sinensis Benson, small var. ? 



Amphidromus xiengensis L. Morelet. 



Amphidromus sp. indet. (immature). 



Cydophorus Nevillei von Martens. 



Cydophorus Pfeifferi Sowerby. 



Cydophorus Cantor i Benson. 



Leptopoma vitreum Lesson. 



Vivipara quadrata Benson. 



Nanina (Macrochlamys ?) diadema n. sp. 



Shell translucent yellow-brown, polished, depressed, with six 

 and a half whorls, of which the apical two and a half are pale and 

 smooth, the remainder show a deeply channeled suture outside of 



