ERRATA 



ge 6i, line 7— For" homologous" »'eai" homogeneous." 



67, ,, 12 — Transpose the words " in all but the simplest 

 animals " to end of line 15. 



74. .. 3 — P'"' " animals develop " read " animals 

 which develop." 



88, ,, 2— Foj'"appreciation"»'Mii" understanding." 



118, „ 22— For "MoUascoidea" j-earf "Molluscoida." 



i33> ■> 29 — For " Choetopoda " read " Chaetopoda." 



174, ,, 14 — For " those " read "the nerves." 



180, ,, 14 — For " Fig. 46 " reaii " Cf. Fig. 46." 



186, ,,i.4 — For " Arthropoids " reafi "Arthropods." 



182, ,, I — Omit the word " some." 



299, „ 16— For " Fig. 12 " r^ai " Fig. 121.' 



321, ,, 30 — For " earning" read "learning." 



322, ,, 28 — For " Horsell " read " Hornell." 

 332. ,1 13 — For " Horsell " read " Hornell." 



