ee Ne@ericus. 
Vou. XI. AUGUST, 1897. No. 4. 
NOTE ON LANDSHELLS FROM THE MALAY PENINSULA. 
BY W. HeSDALT. 
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 hardowini De Morgan. 
Hemiplecta 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). 
Cyclophorus Nevillei von Martens. 
Cyclophorus Pfeitfert Sowerby. 
Cyclophorus Cantori 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 
