PLATE III. 



Fig. page 



1. Plenrotoma trilirata, sp. nov. Eocene : Hobson's Bay. Shell 



( X 2 diam.) : a, front ; b, back. Protoconch ( x 7 diam.) : 



c, side view ; d, view from above. [48052.] 40 



2. Plenrotoma suhconcava, .sp. nov. Eocene : " Meribee river/' 



Victoria. «, front ; h, back of shell (nat. size). [70421.] 41 

 ;j. Pleurotoriia saJehrosa, sp. nov. Eocene : Hobson's Bay. 

 Shell (nat. size) : a, front ; b, back. Protoconch ( x 6 diam.) : 

 c, side view ; d, view from above. [48052.] 42 



4. Plenrotoma optata, .sp. nov. Eocene : Hobson's Bay. a, front ; 



i, back of shell (nat. size). [48052.] 44 



5. Plenrotoma samueli, Tenison-Woods. Eocene : Muddy 



Creek. Protoconch (x 15 diam.) : a, side view; b, view 

 from above. [G. 9329] 43 



6. Cobcjubariiim acanthostephes, Tate (sp.). Eocene: Schnapper 



Point. Protoconch ( x 7 diam.) : «, side view ; b, view 

 from above. [73229.] 52 



7. Drillia oblongula, sp. nov. Eocene : Muddy Creek, a, front ; 



b, back of shell ( x 2 diam.). [G. 4219.] 56 



8. Drillia vixumbilicata, sp. nov. Eocene : Muddy Creek. 



a, front ; b, back of shell ( x 2 diam.). [G. 4221.] 56 



9. Mangilia obsoleta, sp. nov. Eocene (?) : Muddy Creek. 



a, front ; 6, back of shell (x 2 diam.). [G. 4222.] 57 



10. Mangilia {Gythara) glabra, sp. nov. Miocene (?) : Muddy 



Creek, a, front ; b, back of shell ( x 2 diam.). [G.4201.] 58 



11. Glathurella obdita, sp. nov. Eocene (?) : Muddy Creek, a, 



front ; b, back of shell ( x 2 diam.). [G. 4204.] 59 



12. Teleoc/iilus gracillimum, Tenison-Vioods{si>.). Eocene: Muddy 



Creek. Shell (nat. size) : a, front ; b, back. Protoconch 



( X 6 diam.): c, side view; d, view from above. [G. 4162.] 65 



