ERRATA. 
Page 6, line 12 from bottom; page 8, line 15; page 11, line 2; 
for Cydnidce , read Pentatomidce. 
Page 17, line 9, before Vireo, omit and . 
Page 23, above Arachnida, for Cydnidce , read Pentatomidce. 
Pages 25 and 27, above Orthoptera , for Cydnidce , read Penta- 
tomidce. 
Page 28, lines 2 and 8, for Graphorhinus vadosus , read A'jm- 
ccerus imbricatus. 
Page 64, under Hemiptera , for Siphonophora granarice , read 
Aphis maidis. 
Page 69, line 5 from bottom, for fresh-water , read 
Page 78, line 1, after insert tfAe. 
Page 82, line 7, for character , read characters. 
Page 91, line 5, for consisted , read consists. 
Page 92, line 2 from bottom, for more, read mostf. 
Page 97, line 11, for/bry-s/ic, read forty -six. 
Page 99, line 2, for witn, read with. 
Page 101, lines 12 and 13 from bottom, for structure , read 
structures. 
Page 105, line 23, for aeration , read aeration. 
