CORRIGENDA. 



Page 82. In the description of Fig. 71 omit ''(triods)." 

 ,. 177. Lilies 12 to 16. Professor Hickson has pointed out to nvi that in some genera the 



siphonozooids have generative org.-ms. 

 ", 17S. 22nd line from the top. For "Stereosoma Hickson, with" read "Stereosoma 



Hickson, without." 



1SS. For "Section 2. Paractinia " irad "Section 2. Paractiniae." 

 ,, 2S7. Line 2. For "sarcolemina" read "sarcoleniina." 

 300. Line S from bottom. ) 



For "Bdclloidea read "Bdelloida. 

 306. Line 4 from top. 



323. Line 2 from bottom. For "Pectinobranchiata" read "Pectinibranchiata." 



375. Line 4 from bottom. For "AspiJobranchia" read " Aspidobranchiatu." 



411. For "Section 1. Tritonioidea " read "Tribe 1. Tritonioidru." 



413. In description of Fig. 329 for "Eolis" read "Aeolis." 



