1862.] MR. A. ADAMS ON JAPANESE OBELISCIN^. 23/ 



Genus Eltjsa, A. Ad. 



Testa subulata, turrita ; anfractibus longitudinaUter plica f is. 

 Apei'tura ovafa, lahio plica uniea instructo, lahro S(cpe intus 

 lirato. 



1. Elusa teres, a. Ad. Annals, 1861, vii. 297. 

 Hah. Hulu-Shan Bay ; Gulf of Lian-Tung. 



2. Elusa gracilis, A. Ad. 



Pyramidella gracilis, A. Ad., Sow. Thes. Mon. Pyram. pi. 172, 

 f. 14, 15. 



Hab. Yobuko. 



3. Elusa subulata, A. Ad. 



Pyramidella subulata, A. Ad., Sow. Thes. Mon. Pyram. pi. 172. 

 f. 13. 



Hab. 0-Sima, 26 fathoms. 



4. Elusa castanea, A. Ad. 



E. testa tenia, subxdato-turrita, castanea, nitida ; anfractibus 

 normalibus 10, planatis, intus transversim liratis, supremis lon- 

 gitudinaUter plicatis, inferioribus Icevibus ; apertura subqua- 

 drata ; labia rectiusculo, |9^jc« parietali postica subcelata ; 

 labro intus lirato, margins tenui. 



Hab. O-Sima. 



This is a deep-chestnut-eoloured, semiplicate species, with the in- 

 ternal grooves showing through the substance of the shell. 



5. Elusa badia, A. Ad. 



E, testa subidata, solida, rufo-fasca aut badia, nitida ; anfractibus 

 normalibus 12, plunis, intus transversim sulcatis, anfractibus 

 supremis longitudinaUter 2'>Ucatis, inferioribus Icevibus ; aper- 

 tura subcpiadrafa ; labio plica parietali tortuosa, mediana ; 

 labro intus sulcato. 



Hab. Takano-Sima. 



A solid, subulate, brown or reddish-brown species, with a strong 

 transverse spiral plica. 



6. Elusa strigulata, A. Ad. 



E. testa subulata, solida, sordide alba, zonula vufa transversa ad 

 suturas ornata ; anfractibus normalibus 9, planatis, longitudi- 

 naUter strigulatis, anfractu idtimo linea rufa in medio cincto, 

 apertura cpiadrato-ovata ; labio brevi, plica parietali valida 

 transversa ; labro intus sulcato. 



Hab. Yobuko. 



This species is well marked by its peculiar strigulate whorls, and 

 the rufous zone which encircles them. 



7. Elusa cinnamomea, A. Ad. 



E, testa subulata, cinnamomea ; anfractibus normalibus 8, plana- 



