HETEROPHROSYNIDS. 133 
5. Family HETEROPHROSYNIDA, Clarke. 
Gexus JEFFREYSIA, Alder. 
Forbes and Hanley, Brit. Conch. 1849, and Alder, Ann. Mag. VIT, 1851, 
type R. [?] diaphana, Ald.; fide Jeffreys = Rissoella, Auct. [not of 
Gray, type of which is Odostomia glabra, Brown]. 
There are several other species described by A, Adams, Ann. 
Mag. 1860 and 1861, from Japan and China. 
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 winima, 4. Adams, Ann. Mag. VI, 1860, Tsu-Sima, at 26 fths. 
Long. [vix] 1 mil. 
1 Japan; ex Mr. Damon [* coll. A. Adams ”’]. 
8. Jeffreysia [?] mundula. 
Jeffreysia mundula, A. Adams, Ann. Mag, VI, 1860, Tsu-Sima at 26 fths. 
Even smaller than the 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 
“ Rissoella bifasciata,” Carpenter. 
5. Jeffreysia [?] sp. ? 
8 Japan ex Mr. Damon [“ coll. A, Adams”’]. 
