LTMX.EA. 107 



Sowerby's description in Eeeve is as follows : — 



"Shell obioiig, venti-i(;ose, reddish ])uri)lH, thin, seniipellncid, 



smooth, spire short, narrow, whorls attenuated ; last whorl 



sliL,ditly angiihir above, inflated below the middle; aperture large, 



rounded anteriorly, coluniellar lip tortuous." 



The species, as are most of the group, is exceedingly plastic, 



and a number of varieties have been' described by various aiithors 



as follows : — 



Yar. patula, TroscJwl, in Wiegmann's Archiv for 1S37, iii, p. 167; 

 , H. & T., C. I. 1876, pi. 69, figs. 2, 3. 



Original description : — Testa imperforata vel vix rimata, ovato- 

 acuta, tenuissima, pellucidissima ; spira mediocri, acuta; ultimo 

 anfractu veutricoso ; | testae longo, margiue exteriore patulo, 

 aul'r. 5-6. 



Alt. 44, breadth of the last whorl 24, height of the last whorl 

 13, height of tlie aperture 33 mm. 



Mab. Ganges. 



Var. sulcatula, Troxchel, von Martens, Conchologische Mittheil- 

 ungen, i, p. 75, pi. 14, tig. 6. 



Limncpua sulcatulus, Troschel in Wiegmana's Arch, fiir Naturg. iii, 



1837, p. 167. 

 Liinnceus striatus (Benson), Kiister, in Conch. -Cab., Martini & 



ChtMunitz, Lim. p. .3.3, pi. 6, figs. 11,12. 

 Limncea aniijgdala (non Troschel), 11. & T., C. I. pi. 69, figs. 7, 10. 



Original description : — ^Testa i-im;ita, o\ ata, acuta, tenui, longi- 

 tudinaliter sulcata; spira mediocri, acuta; ultimo anfractu | 

 testae longo ; aperlura ovata, plica columellari profunda. Ant r. 

 5-6. 



Alt. 33, breadth of last whorl 17'5, height of last whorl 15"25, 

 alt. of aperture 21*75 mm. 



Hab. Bengal {Lamare-Picquot). 



Yar. amygdaluin, Troschel, vou Martens, Conch. Mitthcil, i, 

 p. 76, pi. 14, figs. 7, 8. 



Limncea amygilalus, Troschel, Wiegm. Archiv, iii, 1837, p. 108; 

 Kiister, ed. Martini & Chemn., Lim. p. 35, pi. 6, figs. 15, 16. 



Original description : — Testa imperforata vel vix rimata, colore 

 stramineo vel cycaceo, nitida, ovata ; spira mediocri, acuta ; 

 ultimo anfractu | testae longo, niargine exteriore plus minus 

 adpresso. Anfr. 5, rarissime 6. 



Alt. 28'75 breadth of last whorl 17-5, height of last whorl 

 13"25, alt. of aperture 20'75 mm. 



Uab. India. 



