The Shell Bo(ik 



Plate IV 



Copyright, 1908, by Duubjeday, Page & Company 



UNIVALVE SHELLS OF TROPICAL SEAS 



18 Open Melongena, Me'.ongena patula, B.andS. 22 Little Red Triton, Trilon riibeatla, Linn. 



19 Fighting IMelongena, Mdongena pugiiiiia. Born. 23 Nicobar Spindle Shell, Fusus Xicobaricus, Chemn. 

 10 Leafy Frog Shell, RancUa joliala. Brod. 24 Melongena, Mdongena melongena, Linn. 



21 Rudolph's Purple, Purpura Rudolphi, Linn. 25 Triton, Triton aqualilis, Rve. 



