— 259 — 



Scissurella umbilicata Jeffreys Proc. Zool. Soc. London 1883 p. 88 



T. 19, F. 1. 



Hab. in Oceano atlantico (Porcupine St. 16, 17), 



6, Scissurella tenuis Jeffreys. T. anguste umbili- 

 cata, depresse conica, basi expansa, peripheriam versus declivis, 

 tenuissima, vix semipellucida , sat nitens, margaritaceo-alba, 

 lineis longitudinalibus arcuatis striisque spiralibus basin versus 

 distinctioribus subtiliter cancellata; spira depressa. Anfr. 5 

 infra suturam subplanati, ultimus permagnus incisura centrali, 

 magna, sulco lato, transversim distincte striato, marginibus 

 elevatis. Apert. oblique ovata, labro externo tenui, columella 

 recta, ad umbilicum plicata. — Alt. 5, diam. 4 Mm. 



Scissurella tenuis Jeffreys Ann. Mag. N. H. 1876 April p. 234. 



Hab. in Oceano atlantico boreali. 



2. Genus Schismope Jeffreys. 



Diflfert a Scissurellis fissura antice clausa, foramen tantum 

 relinquente. 



Schismope striatula Philippi. T. ovata, vertice 

 sat elevato, contabulato; anfr. 31/2 supra et infra carinam aeque 

 convexi, striis transversis confertissimis lineisque incrementi 

 magis conspicuis, supra carinam distantibus, infra eam confer- 

 tissimis sculpti; carina sat lata, lamellis elevatis cincta, intra 

 quas lineae incrementi distantes comparent. — Diam. 2 Mm. 

 Scissurella striatula Philippi Euum. II p, 160. — M. Cli. II p. 37 



T. 6, F. 9. 

 Schismope cingulata Costa Microdor. p. 61 T. 12, F. 8, 9. — Mon- 



teros. Nomencl. p. 39. — Locard Cat. p. 331. 

 Schismope elegans Weinkauff Mittelm. p. 886, nec d'Orb. 



Hab. mare mediterraneum. 



55. Pamilia Haliotidae. 



Genus Haliotis Linne. 



T. auriformis, margaritacea, spira parva subterminali, apert. 

 permagna, serie foraminum perforata, intus pulcherrime iri- 

 descens. 



1. Haliotis tuberculata Linne. T. auriformis, con- 

 vexo-depressa, solida, opaca, rufo-fusca, varie picta etmaculata, 

 epidermide tenuissima fibrosa induta; longit. striata, transverse 

 plicata, pUcis inaequalibus remotiusculis, hic illic obscure tuber- 

 culata; fossula umbilicali perparva, labio partim tecta; spira 

 prominula. — Long. ad 100, lat. ad 75 Mm. 



Haliotis tuberculata Linne ed. 12 p. 1256, — Lam. IX p. 25, — 



Forbes et Hanley II p. 485 T. 64. - Sow. III. Ind. T. 11, F. 7, 



17* 



