20 PALUDINIDJS. 



var. ampulliformis. 



Paludina ampulliformis, Souleyet, Voy. Sonite, 1852, Ewer at Touranne. 



1 Cochin China (sp. juv.) ; ex c. A. Morelet, Esq. 

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



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

 Burma ; coll. Dr. J. Anderson. 



There are several distinct forms mixed up in these Yunnan 

 specimens ! 



sub var. subampulliformis. 

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



Exactly resemble the above recorded Nantin specimens, 

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



var. compacta. 



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



Long. 33, diam. 23^ 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, Senson, J. A. 8. S. V, 1836, SylJiet ; Reeve, fig. 12, 

 as " P. ampullacera ". 



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

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



var. richthofeni. 



Paludina chinensis, var. richthofeni, &. Nevill, Cat. Fasc. IE., p. 26, 1877, 

 Java : long, 33 f, 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, 

 Jtde Mor., Ser. Conch. IV; DesTiayes, Voy. Selanger, pi. 1, Jigs. 14-15 

 \_fide Con. Indica, " a rare and distinct var."~\. 



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



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



