ERRATA. 
Page 290, 16th line, for Hetropods, read Heteropods. 
293, 12th ,, for diameter, read circumference. 
295, 230 ,, for Phoronema, read Pheronema. 
207, 000 yy for Hemyeuryale, read ITemieuryale. 
y DÍA for Ophiocanax histrix, read Ophiocamax hystrix. 
14th for Astrochema, read Astroschema. 
29th for Actino, read Actinic. 
81st and 38th lines, for Umbellarix, read ۰ 
» 
» 
298, 8th line, for zealacus, read ۰ 
299, 18th ,, for Anthipates, read Antipathes. 
302, 88th ,, for Gallopagos, read Galapagos. 
