1893.] ON KBW SPECIES OJ PLEtntOTOMID^. 4^7 



13. Stolc, a. — " Monografie Ceskych Tubificidu." Abh. bohm. 



Ges. 1888. 



14. EosA, D. — " Viaggio di Leonardo Fea in Birmania e I'egioni 



vicine. XXV. Moniligastridi, Geoscolecidi ed Budrilidi." 

 Ann. Mus. Civ. Genova, (2 a) ix. p. 368. 



15. EosA, D. — " Kynotus michaelsenii, u. sp. (Contributo alia 



Morfologia dei Geoscolicidi)." Boll. Mus. Torino, vol. vii. 

 No. 119. 



2. Descriptions of Fifteen new Species of Shells of the 

 Family Pleurotomidce. By G. B. Sowerby, F.L.S. 



[Eeceived April 28, 1893.] 



(Plate XXXVIII.) 



Pleueotoma walcot^, n. sp. (Plate XXXVIII. ligs. 7, 8.) 



Testa turnta, breviuscula, rugosa, pallida, antice zona pallide 

 purpurea cincta ; spira turrita, acuta, gradata, sutura incon- 

 spicua ; anfractus 8, uhique spiraliter striatl, supra medium 

 angulati, infra angtdum convexi, longitudinaliter costati (costis 

 in atifr. idt. circ. 12), spiraliter lirati (liris in anfr. p)enult, 4) ; 

 anfractus ultimus spiram subcequans, infra unguium leviter 

 convexus, basin versus subcontractus, vix rostratus ; apertura 

 latiuscula, faiice purpureo-grisea ; canali brevissimo, leviter 

 recurvo ; columella rectiuscula ; labrum aciitum, crenulatum, 

 superne sinu prof undo latiuscula emarginatum. 

 Long. 20, maj, diam. 10 millim. 

 Hab. Spencer's Gulf, South Australia. 



The shell is of the typical form of the section Drillia, The 

 purple-grey zone on the lower part of the body-whorl seems 

 characteristic. The type specimen, belonging to the South Aus- 

 tralian Museum, has been kindly lent me for description and 

 figuring by W. T. Bednall, Esq. 



Pleubotoma HTJ3EETI, n. sp. (Plate XXXVIII. figs. 11, 12.) 



Testa turrita, acuminata, rugosa, fusca, albo-costata, zona albida 

 citicta ; spira elata, acuta ; sutura vix impressa ; anfractus 10, 

 convexi, obtusissime angulati, ubiqiie spiraliter striati, longitur- 

 dinaliter costati {costis in anfr. ult. circ. 12), infra angulum 

 spiraliter lirati; anfractus ultimus spiram paulo brevior, zona 

 albida cinctus, infra medium contractus, breviter rostratus i 

 apertura latiuscida ; canali breviusculo, leviter recurvo ; labrum 

 incrassatum, superne angidatum, ad angidmn late et sub- 

 profunde sinuatum. 



Long. 16, maj. diam. 8 millim, 



Hab. Cape Grenville, N.B. Austraha. 



Of the typical form of the section Drillia, the sinus forming a 



33* 



