400 
132. Limnaeus eiiphraticus Mousson. 
Limnaea euphratica Mouas. 1874 Journ. Conch. p. 40. 
T. rimato-perforata, ovata, tenuis, extus obtuse late striata, nitida, diaphana, pallide 
cornea; spira breviuscula , conica; summe acute, preducte; sutura impressa, lineari; anfr. 
41/2, celeriter accrescentes, cenvexi, ultimus majer, evatus, =»^4 lengitudinis aequans, de 
sutura declivis, in basin attenuatus ; marge Uber leviter incurvatus, celumellaris elengatus, 
tenuis, strictus, lamina reflexa, plus minusve adnata. Mas. 
Var. angustier Meuss. Magis elongata, fragillima; ad sutura minus declivis; apertura 
elongate evata, latere subappressa, margine libero recte descendente. 
Lg. 15 mm., diam. 9 mm. 
Patria ; Samava Alesopotamiae. 
133. Limnaeus hordeum Mousson. 
Limnaea hordeum Meuss. 1874 Journ. Conch. p. 42. 
T. parvula, ovato-elongata, vix striatula, nitida, pallide cornea; spira regularis, 
subexserta, summe miaute, acutulo ; sutura regulari, impressa; anfr. 4, modice accrescentes, 
ultimus ^-2 lengitudinis vix superans, evatus, ad suturam declivis, infra subattenuatus ; 
peristoma tenuiter labiatum; margine libero leviter incurvato; columellari brevi, in lamina 
tenui rimatim reflexo; columella ad basin elongata, obliqua, plica gracili, striata, minuta. Mss. 
Lg. 6,2 mm., diam. 4,2 mm. 
Patria: Flumen Euphralus. 
134. Limnaeus natalensis var. exsertus Alarlens» 
Limnaeus natalensis v. exsertus Alarts. 1866 Mal. Bl. p. 191 t. 3 f. 8 — 9. 
T. oblongo-ovata, rimata, regulariter striatula (adulta striis nonnullis grossioribus 
striatula), pallide flavescens; spira elongata, gracilis, apice obtuse; anfr. 5, cenvexi, sutura 
profunda, opaca, albida, declivi, ultimus ellipticus, non inflatus; apertura vix obliqua; 2/3 
lengitudinis occupans, oblongo-piriformis ; columella leviter torta, crassiuscula. 
Lg. 19 mm., diam. 9 mm., apt. lg. 13 mm., It. 6V2 iinm. 
Patria: Africa. Zasaga Abyssiniae. 
