20 PALUDlNIDJi. 



var. ampulliformis. 



Paludina ampuUifoi'niis, Soideyet, Toy. Bonite, 1852, River at Touranne, 



1 Cocliin China (sp. juv.) ; ox c. A. Morelet, Esq. 

 5 Basilan, Philippines ; colh Dr. C. Semper. 

 60 Manwyne, Hotha, Mnngla, Nantin and Momien, Yunnan ; Mandalay, 

 Burma ; coll. Dr. J. Anderson. 



There are several distinct forms mixed up in these Yunnan 

 specimens ! 



suhvar. subampulliformis. 



3 Tamsui (Formosa) ; coll. R. Hungerford, Esq. 



Exactly resemble the above recorded Nantin specimens, 

 both are less convexly inflated than in Sonleyet's type. 



var. compacta. 



8 Assmuugtang (Formosa) ; coll. R. Hungerford, Esq. 



Long. 33, diam. 282- mil. A remarkable variety, well cha- 

 racterised by its much less tumid and rounded whorls, which are 

 compressed and of somewhat thicker texture. 



var. lecythis. 



Paludina lecythis, Benson, J. A. S. B. V, 1836, Sylhet ; Reeve, Jig. 12, 

 as " P. ampullacera". 



3 Sylhet, types of P. lecythis ; ex c. As. Soc. Bengal (44, 38), 

 3 Logtak lake, Manipiu- ; coll. Colonel H. H. Godwin-Austen. 



var. richthofeni. 



Paludina chinensis, var. richthofeni, G. Nevill, Cat. Fasc. E., p. 26, 1877, 

 Java: long, 38%, diam. 26 mil. 



3 Java? (type var.); coll. Baron F. von Richthofen. 



var. (?). 

 1 ThyetMyo; coll. R. Hungerford, Esq. 



10. Paludina bengalensis. 



Paludina bengalensis, Lamarck, Hist. VI, 1822, Bengal; from Cochin China, 

 Jide Mor., Ser. Conch. IV; Deshayes, Voy. Belanger, -pi. 1, figs. 14-15 

 [fide Con. Indica, " a rare and distinct var."'\. 



5 Midnapur; ex c. As. Soc. Bengal. 



4 Rajmahal ; ex c. Dr. T. Oldham. 



