ERRATA. 



Pages 23 and 24, notes, for Hojfmeiste-r, read Hofmeister. 

 Page 25, line 14, insert of before Zygmma. 



,, 25, line 2 from bottom, insert of, before Spirogyra. 



,, 31, line 2, for Palmellw, read Palmellece. 



, , 33, line 3 from bottom, for Sporangium, read Sporangium. 



,, 34, line 3, for Balbochcete, read Bulbochc&te. 



43, line 10, for germihate, read germinate. 



,, 44, line 10 from bottom, for a sexual, read asexual. 



,, 45, note 2d, 1. 5, for audrospores, read androspores. 



,, 48, line 10, f or poraphyses, read paraphyses. 



,, 71, note, line 2, for Spormatozoa, read Spermatozoa. 



,, 74, line 9, foicfcetus, read/ceiits. 



, , 93, line 8 from bottom, for Cerihipedes, read Cirrhiped^s. 



123, line 6, for Mesdu.soids, read Medusoids. 



,, 137, line 7, after #wee, insert stages. 



,, 137, line 13, for cephalie, read cephalic. 



,, 175, line 12 from bottom, for phenomena, read pheywme- 

 non. 



,, 193. In qualification of the statement regarding Prof. 

 Leydig's view, it should be mentioned that this author is not 

 inclined to admit, in agamic germs generally, any true homologne 

 of the germinal vesicle of ordinary ova. 



Page 201, 1. 8, for Polygonium, read Polygonum. 



,, 206, 3d line from bottom, for detached, read detected. 



,, 210, 3d line from bottom, for gemmo3, read gemma. 



213, note, 4th line, for propogent, read propagent. 



,, 214, line 5, for zoophyte, read zoophytes. 



, , 216, line 10, for Redice, read Eedia. 

 The parenthesis shoiild come after the previous paragraph. 



,, 244, line 17, for adilatation, read a dilatation. 



245, line 1, for embryonie, read embryonic. 



,, 247, line 12, for gammomorphic, read gaWmiorphic. 



,, 247, line 2 from bottom, for synazcious, read syncecious. 



,, 259, top of last column, for Phancrogamia, read Phanc- 

 rogamia. 



