10 SUGCINEA §. 2. 



15- S. semiserica Gould. •{• 



T. fragilis, ovalis, a tergo depressa, poslice straminea, 

 anlice albido-sericea, longitudinaliter plicoso-striata; anfr. SYa, 

 ultiinus maximus; apertura ovata, patula, faciem inferiorem 

 fere adaequans. — Long. y^? 'a^. Vio> ^lt. %(, poll. (G.) 



Succinea semiserica Goi</d in Proc. Bost. Soc. II. (1846.) p. 100. 

 Habitat Tavoy Birmanorum, in hortis. 



Obs. «Its shape is like S. tigrina Fer. , and it is well charactcrized 

 by the pecuiiar silky-white or pearly surface of the anterior half of 

 the shell.» 



16. S. Taylori Pfr. 



T. ovato-conica , solidiuscula, striatula et plicata, nitida, 

 diaphana, rubello-fulva ; spira convexo-conica, apice minute 

 papillata; anfr. 3, penultimus convexus, ultimus rolundatus, 

 ^/3 longitudinis vix aequans; columella subverticalis , superne 

 reflexiuscula; apertura obliqua, ovalis, superne vix angulata, 

 undique incumbens; perist. simplex, margine dextro substricto, 

 superne curvato. — Long. lOy^, lat. 6Y2) alt- S mill. Ap. 7 

 mill. longa, 4 lata. (Mus. Cuming.) 



Succinea Tatjlori Pfr. in Proc. Zool. Soc. 1851. 

 Habitat ad Singapore (Taylor). 



17. S. orientalis Benson. 



T. ovato-acuminata, solida, confertim striata, diaphana, 

 parum nilida, lutescenti-cornea; spira conica, apice acutius- 

 cula; anfr. 3^2 convexiusculi, ultimus % longitudinis sub- 

 aequans; columella callosa, substricta, parum recedens; aper- 

 tura obliqua, irregulariter ovalis; perist. simplex, rectum, mar- 

 gine dextro levissime arcuato. — Long. 11, diam. 6, alt. 4 

 mill. Ap. 6^2 mill. longa, 4 lata. (Mus. Benson.) 



Succinea orientalis Bens. in Ann. and Mag. 1851. Mart. p. 262. 

 Habitat prope Macao Chinae (Cantor). 



18. S. subrugata Pfr. 



T. conico-ovata , tenuis, levissime subrugata, vix nitidula, 

 quasi pruinosa, rubello-cornea ; spirabrevis, acutiuscula; anfr. 

 3 (cum apiculo fusco), penultimus subconvexus, ultimus sub- 

 inflatus, '% longitudinis vix superans, basi attenuatus; colu- 

 mella substricte recedens; apertura obliqua, subtruncalo-ovalis, 

 ubique incumbens; perist. rectum, margine dextro levissime 

 arcuato. — Long. 11, lat. 7, alt. 5 mill. Ap. ^V^ niill. iongn, 

 infra medium 5 lata. (Mus. Cuming.) 



Succinea suhrugata Pfr. in Proc Zool. Soc. 1851. 

 Habitat in insula Borneo. 



