156 



'6. Leda acinaciformis, Taie. Natural size in outline ; a and h, 

 exterior and umbonal aspects, enlarged. 



7. Placunanomia lone, Grai/. 7a, Interior view of free valve ; 



a, the cartilage furrow ; h, muscular impression ; c, adduc- 

 tor impressioD ; 7b, exterior view of free valve. 



8. Lima Bassii, T. Woods. Eiver Murray Cliffs. a, Natural 



size ; h, enlarged view of ornament. 



Plate YI. 



1. Ostrea Sturtiana, Tate. Overland Corner. 

 "2. Gryphsea tarda, Sutton, a, Side view of attached valve ; 



h, free valve seen from above. G-reat Australian Bight. 

 .3, Ehynchonella Baileyana, Tate, a, Seen from above ; h, front 



view ; c, side view. 



4. Leda Huttoni, T. Woods. Aldinga. 



5. Ostrea hyotis, Lin7i. Blanchetown. 



6. Nucula tumida, T. Woods, a and I, Front and side views. 



Muddy Creek. 



7. Leda lucida, T. Woods, a and h, Pront and umbonal aspects 



of an adult example. Near Morgan. 



Plate TIL 



1. Pecten Aldingensis, Tate, a and h, Eight and left valves ; 



c, ornamentation much enlarged. 



2. Pecten Sturtianus, Tate, a and h. Left and right valves ; 



c, ornamentation much enlarged. E. Murray Cliffs. 



3. Pecten Zitteli, Rutton. a, Eight valve ; h, left valve ; c, in- 



terior of left valve ; enlarged views. Muddy Creek. 

 4). Pecten palmipes, Tate, a, Eight valve ; h, enlarged view of 



an interstitial space. 

 5. Pecten Murrayanus, Tate, a and 5, Eight and left valves. 



E. Murray Cliffs. 



Plate YIIL 



1. Lima Bassii, T. Woods, var. Adelaide bore, a, nat. size; 



h. Hinge area enlarged ; c, magnified ornament. 



2. Pecten polymorphoides, Zittel. E. Murray Cliffs. 



3. Pecten Eyrei, Tate. Aldinga. 



4. Lima polyactina, Tate, a and c, Interior and exterior views, 



enlarged ; h, magnified portion of exterior. 



5. Limarca angustifrons, Tate, a, Exterior enlarged ; &, hinge 



area much enlarged. 



6. Pecten Eyrei, Tate. Scaly ornament of, slightly enlarged. 



7. Pecten Elindersi, Tate. var. Aldinga. 



8. Dimya sigillata, Tate, a. Interior ; 5, exterior of attached 



valve, enlarged. 



