SPECIES OF LAND-SHELLS EROM BOEN"EO. 351 



a whorl less, and has the lirae much closer together on the -pen- 

 ultimate and preceding whorls. The peristome also is not so 

 developed as in that species. 



25. Georissa gomantoneksis. (PI. XXV. fig. 25.) 



Testa imperforata, ovato-turbinata, dilute citriua ; anfractus 4, convexi, 

 sutura profunda sejuncti, striis spiralibus tenuibus conf'ertis sculpti ; aper- 

 tura semicircularis, longit. totius ^ hand sequans, intus pallida ; peristoma 

 leviter incrassatum, sordide albidum ; columella obliqua, callo supra ura- 

 bilicum reflexo induta. 



Longit. 2j millim., diani. If. Apertura 1 lata. 



Hab. Gromanton, N. Borneo. 



This species is of a pale greenish-yellow colour, and there are 

 traces of oblique whitish streaks, but, having only a single speci- 

 men to judge from, it is impossible to say if this is a constant 

 character. 



26. Georissa similis. (PI. XXV. fig. 26.) 



Testa minuta, obtecte perforata, ovato-turbinata, pallide rufescens, versus 

 apicem saturatior ; anfractus 3-3^, convexi, incrementi lineis obliquis (in 

 anfr. ultimo conspicuis) instruct!, ultimus rotundatus ; spira conica, ad 

 apicem obtusa ; peristoma leviter incrassatum, rubrum ; columella leviter 

 obliqua, rectilinearis, callo supra umbilicum reflexo induta; apertura 

 semicircularis, longit. totius ^ subaequans. 



Longit. 1 millim., diam f. Apertura | longa. 



Sab. Gomanton Hill, N. Borneo. 



This species is somewhat similar in form to G. ILungerfordi of 

 Godwin- Austen, but difi"ers entirely in sculpture. The name 

 Sungerfordi being already preoccupied by Mollendorff in 1885, 

 for a Chinese species, I would propose to substitute that of 

 G. Lowi in memory of Sir H. Low, who collected the specimens. 



27. Georissa Hosei, Godioin-Austen, Proc. Zool. Soc. 1889, 

 p. 353, pi. xxxix. fig. 11. (PI. XXV. fig. 27.) 



Testa minuta, turbinata, obtecte perforata, rufescens; anfractus 2|-3, 

 primus Isevis, globosus, penultimus convexus superne humerosus vel 

 carinatus, ultimus quoque carina secunda ad peripheriam cinctus ; carinse 

 peculiariter crispatse ; anfractus duo ultimi spiraliter striati ; apertura 

 semicircularis, longit. totius ^ adsequans ; perist. vix incrassatum,' rufum ; 

 columella obliqua, rectilinearis, callo supra umbilicum reflexo induta. 



Longit. 1| millim., diam. 1|. Apertura | longa. 



Hah. Jarabusan, N.W. Borneo. 



