26 PALUDJNIDJE. 



var. tezpurensis. 



P. crassa, var. tezpurensis, G. Nevill, Cat. Moll. Fasc. IS., 1877, p. 35, 

 Tezpore: long. 7, diam. 15% mil. 



Exceedingly close to if indeed specifically distinct from 

 a form sent me by Mons. Morelet from Cambodia, as P. haine- 

 siana, Lea ! 



8 Tezpur, Assam (type var.) ; coll. Dr. F. Stoliczka. 

 4 Pegu; ex c. Dr. F. Stoliczka. 



23. Paludi.ua siamensis. 



Vivipara siamensis, von Frauenfeld, Proc. Zool. Soc. J865 and Ter. Zool. 

 Bot. Gesells. Wien, 1865, Siam : long. 24, diam. 21 mil. 



1 Siam ; ex c. A. Morelet, Esq., (17, 15|). 



1 Siam ; ex Mr. Sowerby (ex c. Lombe Taylor), 



Long. 23, diam. 20 mil., and labelled " P. hainesiana." 



var. burmanica, nov. 



A very small variety ; spire short, apex obtuse, with the 

 whorls even less acute and exserted, the last one larger in pro- 

 portion and more globosely swollen, with the keel round the 

 umbilicus obsolete; aperture more contracted, that is, less 

 dilately expanded ; colouration of epidermis and the black 

 peristome exactly similar. Long. 11, diam. 10 mil. 



1 Frome, on the Irawady (type var.) ; coll. W. Theobald, Esq. 

 1 Tenasserim Prov. ; ex c. Colonel Godwin-Austen (coll. Mr. O. Limborg). 

 30 Yaylaymaw, Upper Burma, not quite adult ; coll. Dr. J. Anderson. 



24. Pallid ina hainesiana. 



Paludina Hainesiana, Lea, Proc. Ac. Philad. VIII, 1856, Siam : long. 1, 27, 

 diam. 0, 88 inch; ? var. = P. rattrei, Cr. and F. [ = frauenfeldi, Desk, 

 not Mor.~]. 



1 Cambodia; ex c. A. Morelet, Esq. (25f, 20). 



2 Siam; ex c. A. Morelet, Esq. (26*, 20). 



var. lamarcki. 



Paludina Lamarckii, Deshayes, Nouv. ArcMv, Mus. X, 1874, Cambodia. 

 I Cambodia ; ex c. P. Bouvier, Esq. (37i, 



