574 



semipellucida; in medio tumida^ et prope labium gibbosula, fascia 

 pallida fusca vix conspicua ornata, transversim crebriter striata, 

 loiigitudinaliter subplicata ; apertura antice valde dilatata. 



Shell horny, fragile, ovately cylindrical, spire rather flattened, 

 seraipellucid, tumid in the middle, and rather gibbous near the 

 inner lip, encircled with a faint scarcely conspicuous fuscous band, 

 transversely very finely striated, longitudinally somewhat plicated ; 

 aperture anteriorly very much dilated. 



Shores of New Zealand ; mud. 



Sub-genus Scaphandee. 



38. Bulla lignaeia (pi. cxxi. f. 47), Linn., Gm. p. 3425. 



B. testa oblonga, laxe convoluta, versus spiram attenuata, 

 transversim striata, pallide fulva ; spira truncata, umbilicata. 



Shell oblong, loosely convolute, attenuated towards the spire, 

 transversely striated, pale fulvous ; spii'e truncated, umbilicated. 



Sicily ; Salcomb river, England. Mus. Cuming. 



39. Bulla vestita (pi. cxxi. f. 48), Fhilippi, En. Moll. 

 Sicil, vol. ii. p. 95. t. 20. f. 4. 



B. testa oblonga, laxe convoluta, versus spiram attenuata, striis 

 transversis destituta, fusca, reticulo albo obtecta ; spira truncata, 

 umbilicata. 



Shell oljlong, loosely convolute, attenuated towards the spire, 

 destitute of transverse stria?, fnscous, covered with a wliite net- 

 work ; spire truncated, umbiHcated. 



Sicily. 



40. Bulla lineolata (pi. cxxi. f. 49), Couthouy, Bost. 

 Journ. Nat. Hist., vol. ii. p. 179, pi. 3. f. 15. 



B. testa parvula, oblongo-ovata, epidermide ferruginea tecta, 

 transversim oblique frequenterque striata ; spira prominula ; aper- 

 tm-a magna, ad basin valde dilatata et subefFusa ; columella 

 oblique subplicata. 



Shell small, oblong-ovate, covered with a ferruginous epidermis, 

 transversely, obliquely, and closely striated; spire rather promi- 

 nent ; aperture wide, greatly dilated at the base ; columella 

 obliquely subplicated. 



Massachusetts Bay. Mus. Cuming. 



