ERRATA. 



Page 13, line 25, for "cupable" read "culpable." 



Page 16, line 13, for "lava" read "larva" 



Page 23, line 6 from bottom, for "hole" read "holes." 



Page 32, line 17, for "insect" read "insects." 



Page 50, line 4 from bottom, for "Icucaia" read "leucanicz. 



