M E G A S P III A. 



Plate I. 



Genus MEGASPIRA, L( 



Testa tfiTestris, eloirQato-cylimlracca, vniUifjiiralh, aptrii 

 tlongatd, aperttcrd parvd, labia cxterno tenuiler re- 

 Jlexo, cohimelld tripUcatd ; labia inierno ad anj'rac- 

 tum ultinmm uniplicato. 



Shell terro.stri:il, elongated, cylindrical, many-wliorled 

 spiral, spire elongated, aperture small, outer lip 

 thinly reflected, columella three-plaited ; inner hp 

 single-plait on the last whorl. 



There are but two species, liotli 15razilian, of this 

 singularly formed genus of land shells. 



Species 1. (Fig. a, b, Mus. Sowcrby.) 



MEGASrii:.\ ELATinit. Meg. tesid stibci/liiiclricd, mnhiJi- 

 catd, ad apicem ohtusd, thm pauld injlatd, deinde 

 sulcontractd, pauld supra medium et infrd len- 

 tissimi crcsccnii, anfractibiis viginii-duobits, loiiyi- 

 tttdinaliter inicmiptim J'usco stn'ijatis, tenuiter et 

 crebre coslellatd, calumelld brcvi, ad ultimum an- 

 fractum iiicrassata, triplicalo ; apcvturd anticc 

 sitbquadrafd. 



The higher Megaspira. Shell subcyhndrical, um- 

 bilicated, obtuse at the apex, then a little inflated. 



afterwards rather contracted, a little above the 

 middle and below very slowly increasing, whorls 

 twenty-two, longitudinally striped with interrupted 

 brown, finely and closely ribbed, columella short, 

 thickened at the last whorl, three-plaited : 

 aperture anteriorly subijuadrate. 



Snx. Shells of Brazil' 



Ilab. Brazil. 



Species 2. (Fig. a, b, JIus. Sowerby.) 

 Megaspira elata. Meg. testd angustd, cijlindricd, apice 

 obtiiso, niij'raciibusnumerosis, tcntissimc crescenlibus ; 

 longiliidiiialite?- teniiissime striafis ; aperturd sub- 

 nvatd ; cohmeUd uniplicatd ; ultimo anfractu ad 

 labiinn internum vnlplicafo. 

 The elated Megaspira. Shell narrow, cylindrical, 

 apex obtuse, whorls numerous, very slowly 

 increasing ; longitudinally very finely striated ; 

 I aperture subovate ; columella single-plaited ; last 



whorl with a single plait at the inner lip. 



! Gould ? 



Hah. Brazil. 



More narrow and cylindrical than Megaspira elata, 

 I with only one plait on the columella. The whorls are 

 I also more finely striated. 



