6 AUSTRALIAN HYDROMEDUS2. 
For Read 
Page 10, line 8:— __ nesselzellen Nesselzellen. 
Page 11, line 10:— _ natur . Natur. 
line 9 from bottom :— 
introcelluliire intracelluliire. 
Page 15, line 8 from bottom :— 
obigactis oligactis. 
Page 16, line 8:— __ clavine Clavine. 
line 10 from bottom, first word :— 
polypostyle polypostyles. 
Page 17, line 24:— antipathies antipathes. 
line 2 from bottom :— 
Sarsii Lair. 
Page 18, add to the synonyms of Lafoéa fruticosa:—Campanularia fruticosa 
(45). 
Page 21, line 13:— _ tetrocytharia tetracytharia. 
Page 22, line 10:— 14. Genus Didymograpsus. 14. Genus DIDYMOGRAP- 
SUS. 
line 19:— octabrachiatus octobrachiatus. 
Page 23, line 21:— palmeus palmens. 
Page 25 :— III. Subgenus—Hapro- III. Subgenus.—HAPTO- 
THECA. THECA. 
Page 29, line 17 from bottom, insert after Sertularia the word pluma. 
Page 82, insert :—135. Euphysa australis (95) 586. v. Lendenfeld — after 
the diagnosis of the Genus EUPHYSA. 
Page 34, line 3:— Arythia Orythia. 
Page 35, line 11:— spongicula spongicola. 
Page 36, line 15 from bottom :— 
eachroma euchroma. 
Page 37, line 7 from bottom :— 
Eutimolphes Eutimalphes. 
