M. Bullen Neidon — Fossils from Saraivak, Borneo. 411 



Eemakks on the Shell and its Locality. 



The recognition of a European Jurassic Lamellibranch in the 

 rocks of Borneo is thought to be worthy of recording as an addition 

 to our slight knowledge of the Mesozoic fauna of that country. The 

 shell in question, identified as Alectryonia amor, D'Orbigny, consists 

 of four fragments, one being a nearly perfect upper valve measuring 

 72 millimetres from end to end. Each of these specimens is of 

 blackish colour, though covered in places with a loose lawn-tinted 



