20 PALUDINIDE. 
var. ampulliformis. 
Paludina ampulliformis, Souleyet, Voy. Bonite, 1852, River 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 ! 
subvar. subampulliformis. 
8 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. 234 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. 8. B. V, 1836, Sylhet; Reeve, fig. 12, 
as “P. ampullacera”. 
3 Sylhet, types of P. lecythis; ex c. As. Soc. Bengal (44, 38). 
3 Logtak lake, Ménipur; coll. Colonel H. H. Godwin-Austen. 
var. richthofeni. 
Paludina chinensis, var. richthofeni, G. Nevill, Cat. Fasc. E., p. 26, 1877, 
Java: long, 83%, diam. 26 mil, 
3 Java? (type var.); coll. Baron F. von Richthofen. 
var. (P). 
1 Thyet Myo; coll. R. Hungerford, Esq. 
10. Paludina bengalensis. 
Paludina bengalensis, Lamarck, Hist. VI, 1822, Bengal ; from Cochin China, 
fide Mor., Ser. Conch.IV; Deshayes, Voy. Belanger, pl. 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. 
