74 



Dimensions. — Antero-posterior, 6 ; limbo-ventral, 7 ; and sec 

 tional diameters, 4*5 millimetres. 



Localities. — Dead shells dredged from 33 fms, Backstairs 

 Passage, and from 22 fms, Encounter Bay (Pulleinel). Also 

 in Pliocene beds, Limestone creek, "W. Victoria (J". Dennantl). 



This pretty species has the form and sculpture of Limatula 

 Torresiana (E. A. Smith,), but has fewer ribs and coarser con- 

 centric ornament, and by the presence of teeth on the hinge is 

 removed generically from it. 



EXPLANATION OF PLATES. 

 Plate IV. 



1. Pecten Pulleineanus, Tate. «, Bight valve, nat. size ; b y 



magnified view of portion of surface near the front. 



2. Lucina crassilirata, Tate. Eight valve enlarged. 



3. Pecten Bednalli, Tate, a, Eight valve and apical part of 



left valve, nat. size ; b, magnified view of portion of sur- 

 face at the front. 



4. Aspergillum multangulare, Tate. a, Eront view of the 



whole shell ; and b, section of tube at the end ; both en- 

 larged. 



5. Pinna inermis, Tate. Eeduced from an example 18 inches 



long. 



6. Paludina lirata, Tate. a, Back ; and b, front views ; nat. 



size. 



7. Limea austrina, Tate. Much enlarged. 



8. Scintilla lunata, Tate. Left valve, much enlarged. 



9. Tellina subdiluta, Tate. Left valve, much enlarged. 



10. Carditella subtrigona, Tate. Left valve, enlarged. 



11. Corbicula desolata, Tate, a, Dorsal aspect ; and b, right 



valve ; nat. size. 



12. Mactra versicolor, Tate, a, Dorsal aspect ; and b, left 



valve ; nat. size. 



13. Mitra pellucida, Tate. Much enlarged. 



14. Venerupis crebrelamellata, Tate. a, Left valve ; and 



b, dorsal aspect ; nat. size. 



Plate V. 



1. Psammobia Brazieri, Tate. Left valve, enlarged. 



2. Tellina Aldingensis, Tate. Eight valve, nat. size. 



3. Cardita rosulenta, Tate. Eight valve, nat. size. 



4. Montacuta meridionalis, Tate. Left valve, much enlarged, 



5. Semele exigua, H. Adams. Eight valve, enlarged. 



6. Limopsis rubricata, Tate. Eight valve, much enlarged. 



7. Kellia Angasiana, Tate. Left valve, much enlarged. 



8. Semele Ada, Adams $ Angus. Eight valve, enlarged. 



9. Cardita obliquissima, Tate. Left valve, much enlarged. 



