EXPLANATION OF PLATE LX. 



SPIRrLjEA CRETACEA, IE til. fil . 



Fi". 1. Two tubes in contiguitj, one extended — X 2. 

 „ 2. Another example, concave aspect — X 2. 



„ 3. A third specimen, concave aspect, witli the free tube fractured, and a 

 telescopic umbilicus — X 2. 



CoPROLirES, 



„ 4. Fusiform body with a more or less spiral end. 



„ 5. Another example witli the termination more acute. 



MODIOLA DUNLOPENSIS, Eth. fll. 



,, C. Rather more than the posterior third of the conjoined valves. 



G-EAMMATODON (?) DAINTEEEI, Etk.Jil. 



,, 7. The two valves, one testaceous, the other an internal cast — X 3. 

 ,, 8. Interior of the valve removed from the cast in Fig 7 — X 3. 



Teigonia cinctfta, Eth. fil. 



,, 9. Cast of portion of the exterior of a right valve taken from an impres- 

 sion in calcareous shale. 



OdONTOSTOMIA (.') CRETACEA, Eth. fll. 



„ 10. Three whorls and a heterostrophic apex ; the delicate decu>sLite 



sculpture on the body whorl is faintly visible — X 4. 

 ,, 10a. The lietei'ostrophic apex, much enlarged. 



CaXCELLARIA (?) TERRAREGINENSIS, Eth.fi/. 



„ 11. Four whorls, the body whorl with transverse keels and costae -X 5, 



