ERRATA. 



Page 37, 16th line from below, strike out Plate XXXVII 



" 40, insert C. Brebissonii, Plate VI, tig. 17. 



" 41, third line, change Plate V to VI. 



" 42, fourteenth line, insert Plate VI, fig. 12. 



" 43, fourteenth line, change VII to VI. 



" 45, twelfth line, change LIV to XLIII. 



" 46, twenty-fifth line, change LIV to XLIII. 



" 90, eighteenth line, change Laoense to Lagoense. 



