134 C. A. Westerlund, Synopsis Molluscorum Extramarinor. Scandin. 



menti 1 — 2 atris, intus aurantiaca, anfr. 5, convex!, celeri- 

 ter accrescentes, apertura atromarginata, albolabiata; alt. 

 13 — 14, lat. 8 mm. — Suecia in sinubns maris prov. Me- 

 delpad. 



Var. sebethina (Blanc) Cout. (Ann. Soc. Linn. Lyon 1881): t. 

 elongata, spira longe lenteque attenaata, acute conica, an- 

 fractus convexi, nit. elongatus, parum ventrosus, sutura 

 profundior, apertura quam spira brevior, elongato-ovata, 

 acute angulata, operculum in centro distincte spiraliter 

 contort a; alt. 9 — 12^2, lat. 6 — 7 mm. — Suecia in Oland 

 (ad Borgliolm). 



Var. michaudi Duval (Rev. zool. soc. Cuvier 1845): t. non ri- 

 mata, ovato-conica, rufescenti-cornea, spira attenuato-co- 

 nica, quam apertura (interdum multo) longiore, anfr, 5 — 6, 

 convexi, celeriter accrescentes (quisque spirse fere duplo 

 altior quam praecedens), ultimus tumido-convexus, sutura 

 profunda, apert. late ovata; a. 11 — 13, 1. 5 — 7 mm. — Sue- 

 cia ad Ronneby (in lacubus Herrstorpsjon et Tresjon), 

 Stockholm (in Djurgarden: J. & Hj. W.), Upsala (ad Ul- 

 tuna: W. L.). 



Forma (vel monstrositas) excavata Jeffr. (Brit. Conch. 1. 1862), 

 t. magna, anfr. valde convexi, sutura excavata. — Suecia 

 ad Lund, Ronneby (in Herrstorpsjon), Upsala (ad Ultuna), 

 Gotland (ad Lummelund). — Dania in Bornholm. 



Var. decipiens Millet (Rev. & Mag. Zool. 1843): t. anfractu ul- 

 timo magno, tumido-convexo, cseteris convexiusculis, 8^/2 

 superis spiram brevem anguste conicam acutamque for- 

 mantibus, sutura impressiuscula, antice fortius descendens, 

 apert. quam spira brevior, ovata, margine exteriore fortius 

 arcuato; a. 10, 1. 6 mm. — Suecia in Skane (ad Belteberga 

 et Kristianstad), Dalarne (in Brunnsjon), Gefle. 



Forma opportuna mh., t. anfr. 4 superis convexis, angustiori- 

 bus et spiram altiorem acutam formantibus. — Suecia ad 

 Ystad in portu. Tenet medium inter decipientem et se- 

 be thin am. 



Var. soluta mh.: t. rimata, ovato-conoidea, rufescens, spira pro- 

 ducta, conica, acuta, anfr. 51/2. superi convexiusculi, su- 

 tura tenui, penult, convexus, sutura antice profunda, ulti- 

 mus parum major, tumido-rotundatus, apert. subverticalis, 

 soluta, ovata, superne subacute angulata, opercul. striis 

 concentricis marginalibus crassis; a. 11, 1. 5, apert, 1. 4 mm. 

 — Suecia in Gotland (ad Lummelund: G. E.). 



Nerita sphcerica Miill. (Verm. Hist. 1774) : „t. subglobosa, diaphana, 



