NO. 2 NEW MOr.I.lTSKS I-ROM ASIA — MOZr.F.V 7 



lines of growth ; whorls five and a quarter, gradually increasing in 

 size, carinate on the ujiper side ; the upper side of the carina of all or 

 nearly all the whorls heing visible on the dorsal side of the shell ; 

 aperture inclined and (jl)lique, ellipsoidal ; lip sharp and thin. 



Type. — U.S.N.M. no. 470515, collected at Kotur Kulh near I'.oro- 

 voye, Kazakstan. 



The dimensions of the type are as follows: Height 1.2 mm, greater 

 diameter 7.4 mm. lesser diameter 6.6 mm, aperture height 1.0 mm, 

 aperture width 1 .(S mm. 



Named after Mr. Hodo johansen, of Tomsk, who has made a study 

 of the fresh -watci- molhisks of that neighborhood. 



PHYSA SARTLANDINENSIS, n. sp. 



Plate I, fig. 6 



Shell resembling that of Fliysa fontiiiaUs but of larger size, length 

 12.6 mm ; the aperture shorter than in that species and the spire much 

 higher and more conspicuous ; the suture more deeply impressed ; 

 whorls four and three-quarters, surface smooth, lines of growth micro- 

 scopic, crossed by larger, regular, impressed spiral lines. 



Type. — U.S.N.M. no. 469613, collected in Lake Sartlan, Barabinsk 

 Steppe, Siberia. It is known only from the type locality. 



In this new species the length of the aperture is approximately two- 

 thirds of the length of the entire shell, while in P. foiifuialis it is three- 

 quarters of the shell length. 



Measurements of the Shells of Pliysa saiilancliiieiisis from Lake Sartlan, Siberia 

 Type 



