ERRATA. 



In making up the author's copies, and repaging, several errors have been intro- 

 duced, which the reader should correct : 

 Page 3 third line of foot notes, for Corydalus cornutas, read Corydalis cornutus. 



" 6, line 19, for orceps, read forceps. 



" 8, " 31, for pair, read pairs. 



"12, " 13, for labium, read labrum. 



" 13, figure 18 is inverted. 



" 4*7, " 17.. for page 89, read page 16. 



" 48, " 10, for page 109, read page 38. 



" 49, " 31, for page 109, read page 38. 



'' 60, " 10, for nemarum, read venarum. 



" 61, " 23, for page 101, read page 30. 



" 85, " 5, for page 191, read page 80. 



" 100, " 34. It should be stated that Dr. Cobbold, in 1860, fed dogs with a 

 small cysticercus, from the liver of rabbits, but distinct from 

 " G. pisiformis" and obtained specimens of Tcenia cucwnerina, 

 which he thought were developed from them. 



" 110, " 30, for " such hogs are," read such a hog is. 



"126, <l 6, for page 191, read page 80. 



"140, lines 32 and 33, for page 202, read 91; for 192, read 81; for 196, read 

 85; for 222, read 111. 



