: ADDENDA AND CORRIGENDA. 
——@—__—- 
Page 9.—For ‘Cclastmum” read ‘ Coelastrum.” 
Page 10.—For “‘ Gleotenum” read nia are 
Page 12, line 9.—For “‘gemima” read “ 9 
Page 12, line 10.—After “ figs. 4-5” ad. “ arpa XVII.)” 
Page 16, line 10 from foot.—After “fig. 13” add “(Plate XVII.)” 
