1891.] THE SHELLS OF PERAK. 333 



13. EuPLECTA PATANiENSis, de Morgan. 



MaGrochlamys pataniensis, de Morgan, Bull. p. 28, t. i. fig. 5. 

 Rhaman, Patani {de Morgan). 



Certainly of the same group as the last species, and, so far as can 

 be judged from the figure, not very different from E. anceps, Gld., 

 Tenasserim. 



14. SiTALA CARINIFERA, StoHczka, 



Sitala carinifera, Stoliczka, J. As. Soc. Beng. xlii. 1873, p. 16, 

 t. i. fig. 8; Godw.-Aust. Land & Freshw. Moll. Ind. ii. 1882, 

 p. 3.0 ; V. Molldff. 1. c. p. 302 ; Tryon, Man. Pulra. ii. p. 54, t. xxv. 

 fig. 16. 



Bukit Pondong {Hung erf or d); Penang (Stoliczka). 



15. Kaliella perakensis (G. Nevill). 



Kaliella perakensis, Godwin-Austen, 1. c. i. 1882, p. 8, t. ii. 

 iig. 7 ; Trvon, Man. Pulm. ii. p. 61, t. xsvi. fig. 59. 

 Perak {Towns end) ; Bukit Pondong {Hungerford). 



16. MiCROCYSTINA TOWNSENDIANA, G. Nev. & Godw.-Aust. 



Microcystina townsendianu, G. Nevill & Godw.-Aust. P. Z. S. 

 1879, p. 736, t. lix. fig. 1 ; v. Molldff. 1. c. p. 302. 



Nanina {Microcystis) tow7isendiana., Tryon, Man. Pulm. ii. p. 120, 

 t. 40. figs. 49-51. 



Bukit Pondong {Townsend, Hungerford). 



1 7. Lamprocystis malayana, v. MolldflFt (Plate XXX. figs. 4- 

 Ab.) 



T. semiobtecte perforata, depressa, tenuis^ subpellucida, corneo- 

 lutescens, nitens ; spira humilis, depresse conica, apice obtuso. 

 Anfr. 5, levissime convexiusculi, sutura appressa submarginata 

 disjuncfi, lente accrescentes, tennissime striatuli, xdtimus basi 

 convexus. Apertura parum obliqua, rotunda to-eliiptica valde 

 excisa, ; peristoma simplex, acutum, margine columellari super ne 

 breviter reflexo, subcalloso. 



Bium. max. 3'66, alt. 2 mm. 



Hab. ad Bukit Pondong leg. cl. R. Hungerford. 



Allied to L. molecula, Bens., from Burmah, but smaller and much 

 flatter. 



18. Lamprocystis conulina, v. Molldff. (Plate XXX. figs. 5- 

 56.) 



T. anguste perforata, depresse globoso-conica, tenuis, pellucida, 

 nitens, corneo-flavescens ; spira conoidea, lateribus subconi)exis. 

 Anfr. 4g, sat convexi, sutura impressa discreti, microscojnce 

 striatuli, ultirnus basi infiatus. Apertura sat obliqua, exciso- 

 subcircularis ; peristoma simplex, acutum, margine columellari 

 brevissime reflexo. 



Biam. max. 1'66, alt. 1'25 mm.. 



Hab. ad Bukit Pondong leg. cl. R. Hungerford. 

 Proc. Zool. Soc— 1891, No. XXIII. 23 



