312 MARINES SHELLS OF TASMANIA. 



of the most plentiful and widel}- distributed species in our 

 waters, being commonly dredged in all depths from lo to 

 I GO 'fathoms. 



Lucina crassilirata, Tate, 1886. A number of living 

 examples were taken in Geography Strait in 15 fathoms; 

 small dead valves in 40 fathoms three miles seaward. 



Rochefortia lactea, Hedley; Mem. Aus. Mus., IV 

 Geography Strait, 15 fathoms; several specimens. 



Crassatellites aurora, Angas; P.Z.S., 1863. Several 

 valves occurred in both 40 and 80 fathoms off Schouten 

 Island. This is the most southern record. The type was 

 from Banks Strait. 



Cardita raouli, Angas; P.Z.S., 1872. Several valves 

 of this very distinct species were taken in 40 fathoms off 

 Schouten Island. Another species on our list which ap- 

 pears to have been unknown to local workers. 



Cardita delicata, Verco; T.R.S., S.A., 1908. Numerous 

 valves in 100 fathoms off Cape Pillar. 



Carditella exulata. Smith ; Challenger report. Several 

 examples taken at various times in Frederick Henry Bay; 

 usually from kelp roots. 



Nuculina ((cyrilla) concentrica, Verco; T.R.S., S.A., 

 1907. Several living specimens and valves add an in- 

 teresting genus and species to our list; from 40 fathoms 

 off Schouten Island. 



Leda ensicula, Angas, P.Z.S., 1877. Numerous living 

 and dead in 40 fathoms off Schouten Island. This species 

 in external appearance is exactly similar to Leda lefroyi, 

 Beddome, which is found in d'Entrecasteaux Channel, 

 but the hinge teeth are very different. 



Leda miliacea, Hedley; Mem. Aus. Mus., IV. Several 

 single valves of this small but distinct species were taken 

 in 80 fathoms off Schouten Island. 



Limopsis eucosmus, Verco; T.R.S., S.A., 1907. Two 

 valves occurred in 80 fathoms off Schouten Island. 



