J- =5^ MANUAL OF THE MOLLUSCA. 



gether. Distr., 10 sp. W. Indies, W. Africa, PhiHppines, AustraMa, Pacific, 

 Panama. The chitonellfe are found in fissures of coral rock (Cuming). 



Gn/pho-chiton, Gray. C. nerdcanus. 



Helminthochlton, Salter, 1847. H. Griffithii, Salter Geol. Journ. Plates 

 sub-quadrate, not covered by the mantle ; apophyses widely separated. FossU. 

 Siliu'ian. Ireland. 



W. OSTELL, PR.lNi.JiK., HART SrUI,b.T. BLOOiMSBURY. 



I f 



