HETEROPHROSYNIDJ!. • 133 



5. Pamily HETEEOPHEOSYNID^, Clarke. 



Genus JEFFRBTSIA, Alder. 



Forhcs and Hanlei/, Brit. Conch, 1849, and Alder, Ann. Mag. VIT, 1851, 

 type R. [?] diapliana. Aid. ; fide Jeffreys = Rissoella, Auct. \jiot of 

 Oray, type of ivhich is Odostomia glabra, Brown^. 



There are several other species described by A, Adams, Ann. 

 Mag. 1860 and 1861, from Japan and Cliina. 



1. Jeffreysia diaphana. 



Rissoa? diaphana, Alder, Ann. Mag. XIII, 1844, England; fide Wein- 

 hauff, should be J. glabra, Brown. 



10 England ; ex G. Nevill, Esq. 



2. Jeffreysia [?] minima. 



Jeffreysia irinima, A. Adams, Ann. Mag. VI, 1860, Tsu-Sima, at 26fths. 

 Long, [vix] 1 mil. 

 1 Japan ; ex Mr. Damon [" coll. A. Adams "]. 



3. Jeffreysia [?] mundula. 



Jeffreysia mundula, A. Adams, Ann. Mag, VI, 1860, Tsu-Sima at 26flhs. 



Even smaller tlian tbe preceding ! 

 1 Japan; ex Mr. Damon ["coll. A. Adams"]. 



4. Jeffreysia [?] sp. ? 



1 Japan; ex Mr. Damon ["coll. A. Adams"]. 



There are no bands on this specimen. It was sent me labelled 

 " Bissoella bifasciata," Carpenter. 



5. Jeffreysia [?] sp. ? 



3 Japan ex Mr. Damon [" coll. A. Adams"]. 



