22 BRITISH FOSSILS. 



ostracum ; and, less perfectly, the beak ; of XiphoteutJiis, the almost 

 complete internal shell is known ; of Conoteuthis, the phragmocone and 

 part of the pro-ostracum ; of Bcloptera and Belemnitella, only the 

 phragmocone and guard; but with the hooks, ink-bag, or soft parts of 

 these last four genera we have no acquaintance. 



LONDON: 



Printed by GEORGE E. EYRE and WILT.TAM SPOTTISWOODE, 



Printers to the Queen's most Excellent Majesty. 



For Her Majesty's Stationery Office. 



[2269. 500. 8/64.] 









