Part 1. 



PHILIPPINE LAND SHELLS BARTSCH. 



29 



1 Largest. 'Smallest. 'Average. 



Two additional specimens, Cat. No. 254918, U.S.N.M., were col- 

 lected at Poncal, Palawan, by the U. S. Bureau of Fisheries steamer 

 Albatross. 



AMPHIDROMUS ENTOBAPTUS VIRIDOFLAVUS, new subspeciei. 



Plate 14, figs. 1-3. 



This race of A. entobaptus is of medium size. It is distinguished 

 from the shells so far seen from other islands by the green coloration 

 of the early whorls. In some specimens this reaches a depth of lettuce 

 green. On the last turn the coloration usually corresponds with 

 that of Amphidromus entobaptus entobaptus. 



I have seen 17 specimens of the race, Cat. No. 215600, U.S.N.M., 

 collected at the observatory on Malubutglubut Island. Only six of 

 these are mature, and these yield the following data : 



'Type. 



