206 Proceedings of the Royal Society of Victoria. 



Plate XXIII. 



(All figures on this plate magnified 56 diameters). 



Fig. 1. — Paradoxorhyticha foveolata, sp. nov. Right valve. 



lateral aspect. 

 „ \a. — Paradoxorhyticha foveolata, sp. nov. Edge view, ventral 



aspect. 

 ,. 1^. — Paradoxorhyticha foveolafa, sp. nov. End view. 

 ,, 2. — Loxoconcha elongaia^ sp. nov. Left valve, lateral aspect. 

 ,, 2a. — ,, ,, ,, Edge view of carapace. 



,, 2b. — ,, ,, ,, End view. 



,, 3. — Cythere drupacea, Jones, var. /ortior, var. nov. Cara- 

 pace from right side. 

 ,, 3rt. — Cythere drupacea, Jones, var. fortior, var. nov. Edge 



view of carapace. 

 ,, Zb. — Cythere driipacea, Jones, var. fortior, var. nov. End 



view. 

 ,, 4. — C. lobulata, sp. nov. Left valve, lateral aspect. 

 „ 4rt. — „ „ Edge view. 



,, ^b. — ,, ,, End view of carapace. 



„ 5. — C. corrosa, Jones and Sherborn, var. grossepunctata, var. 



nov. Left valve, lateral aspect. 

 ,, 5fl. — C. corrosa., Jones and Sherborn, var. grossepunctata., var. 



nov. Edge view of carapace. 

 ,, 5^. — C. corrosa, Jones and Sherborn, var. grossepunctata, var. 



nov. End view. 

 ,, 6. — Loxoconcha jurassica, sp. nov. Left valve. Lateral 



aspect. 

 „ 6^. — Loxoconcha Jurassica, sp. nov. Edge view of carapace. 

 ,, %b. — ,, ,, ,, End view. 



„ 7. — Cytheropierofi australiense, sp. nov. Right valve, lateral 



aspect. 

 „ 7a. — Cyiheropteron australiense, sp. nov. Edge view. 

 „ lb.— „ „ „ End view. 



