ERRATA, 
Page 164, 5th line from top, for “ Subilium” read ‘ Suprabilium,” and for 
” 
“ Subscapula ” read “ Suprascapula.” 
164, 14th line from top, for ‘‘ Preomosterna” read “ Preomosternum.” 
164, 15th line from top, for ‘‘ Hemi-pelvisterna” read “‘ Hemi-prepelvi- 
sterna.” 
164, 16th line from top, for ‘‘ Substernal” read “ Suprasternal.” 
257. For Balenopterus read Balenophilus. 
262. After Calanus finmarchicus, add “length 2 millim.” 
265. Last line for “ enlarged” read “ diminished.” 
28. 19th line froin the bottom for “ N.-American” read “ N,-Indian.” 
