" 94, " 1, for Hypotry orchis, read Hypotriorchus. 

 " 96, " 57, " Harporhyncus, read Harporhynchus. 

 " 96, " 99, " lacticauda, read laticauda. 



" 104, ' 24, and page 108,line SO, for Byturus, read Antherophagus . 

 "131, " 9, for Mezercon, read Mezereon. 



" 131, " 11, " nest, read net. 



" 131, " 25, after female, insert situated almost wholly. 



" 132, " 15, " abnormal, insert a. 



" 175, " 29, for anterior pole, read posterior pole. 



" 180, lines 12 13, for anterior end, read posterior end. 



" 209, line 9, for trunk read trunks. [testinal. 



" 218, " 38, " cardiac and pyloric, read cesophagal and iu- 



" 219, " 1, " CEsophagal Retractors, read Lophophoric Re- 

 tractors. 



