386 APPENDIX. 



wards. This curvature corresponds with the projection of 

 the curious incui'ved claw-like lobe that proceeds from the 

 central portion of the lower lip. Towards the base of the 

 aperture is a second and similar but smaller lobe^ below 

 which is the shprt but broad and well-marked canal. The 

 entire lip is marginated by the thickened and reflected 

 peristome. I believe this curious floating shell will throw 

 some hght on the true nature and habits of several pa- 

 laeozoic types. It was taken in the towing net_, gregarious, 

 in the sea off Cape Howe, the south-east corner of Aus- 

 tralia. Tab. iii. fig. 9. a, b. 



Contents of Plates of New Shells. 

 Tab. II. Tab. III. 



Fig. 1. Helix Brwneriensis Fig. 1. Helix Macgillivrayi 



2. Franklandien$is 2. Pupina Thomsoni 



3. inconspicua 3. Helicina Gouldiana 



4. iuloides 4. Stanleyi 



5. divisa 5. Louisiadensis 



6. Yulei 6. Ranella pulchra 



7. Dunkiensis 7- Scalaria Jukesiana 



8. Louisiadensis 8. Macgillivrayia pela- 



9. Balea Australis yica 



TO. Pupina yrandis 9. Clieletropis Huxleyi 



