196 A DESCRIPTIVE CATALOGUE OF THE 
Sect, ***, 
13. SCALA PERNOBILIS, Fischer and Bernardi. 
T. imperforata, tenuis, alba, abbreviato-conica; anfr. y—vi convexi, lamellis copiosis elevatis, 
recurvis, superne subangulatis, ad marginem tenuibus simplicibusque; anfr. ultimus dila- 
tatus, permagnus, non solutus. Apertura rotunda, columella incrassata, callosa, umbilicum 
tegens, peristomate crasso, lamella valida, superne producta et angulata. 
Long. 40 mm.; lat. 33 mm. 
Scalaria pernobilis, Fisch. and Bern., Journ. de Conch. 1854, p. 293, t. 8, f. 238. 
Hab. Guadaloupe (Com. Bean). 
The only known specimen was found on a fisherman’s bow-net, together with 
Pleurotomaria quoyana, Crosse, and like this inhabited by a hermit crab. It is 
now preserved in the ‘* Musée des Colonies” in Paris. 
A very similar species, but very thick in the shell and fossil, is in the Jardin 
des Plantes and was obtained as the type specimen. 
14. ScALA OCCIDENTALIS, Nyst. 
T. imperforata, tenuis, alba, levis; anfr. subsoluti, ad suturam depressi; costz foliacez, oblique, 
continue, ad suturam angulatee, hue illuc subauriculate, postice excavate, xili-xiy in anfr. 
ult. Apertura reniformi-ovalis. Operculum flavum. 
Long. 13 mm.; diam. 6} mm. 
Scalaria tenuis, Sowb., Proc. Zool. Soc. 1844, p. 110 (non Gray). 
ce Sowb., Thes. p. 87, fig. 67. 
Neularia occidentalis, Nyst., Tableau 1873, p. 48. 
Hab. St. ‘Thomas (Hornb., Riise, Krebs, H. Kock.), Nassau (Krebs); Crabben 
Island (Unger). 
Var. AuRITA; in anfyr, ult. costis xi crassiusculis. 
Long. 11 mm.; diam. 5} mm. 
Hab. St. Thomas (Riise). 
This variety reminds me of Scala foliaceicosta, D’Orb. 
15. ScaALA ERECTISPINA, Mirch, n. sp. 
T. minuta, imperforata, elongata-turrita, solidula, alba; anfr. contabulati, suturis excavatis 
profundis; costae xiii in anfr. ult. postice excavate ad suturam, auriculis acutis erectis 
subreflexis vel tortis, postice excavatis uti canaliculatis. Apertura circularis, labio antice 
inerassato, producto, torto. 
Long. 42 mm.; diam. 2} mm. Aperture alt. 1} mm. 
Hab. St. Thomas (Riise). 
