CORRIGENDA and ADDENDA. 



Page 27 line 10 from bottom insert ' is ' after ' Smith ' 

 n 39 ,, 1 delete the second ' have ' 

 „ 45 „ 12 for ' it outer edge ' read ' its outer edge ' 



63 „ 2, 3rd column read ' Arthrobranehise ' for ' Pleurobranohiae ' 

 ■1th „ „ ' Pleurobranchiae ' „ ' Arthrobranehise ' 



„ 63 „ 8 from bottom for ' papilla or ' read ' papilla on ' 

 „ 68 „ 13 for ' while is ' read ' which is ' 

 „ 93 „ 14 from bottom for ' expodite ' read ' exopodite ' 

 » 131 „ 16 „ „ for 'Vol. XLIII' read 'Vol. LXIII ' 



„ 149 „ 15 „ „ for ' Salicoques at G.ilatheides ' read ' Salicoques et 



Galatbeides ' 

 „ 166 „ 21 for ' carapace in concave ' read ' carapace is concave ' 



„ 203 After line 6 insert " This species is most closely related to Gehia spinifrons 



Haswell." 



„ 204 „ 12 from bottom for ' A. M. Edw.' read ' S. I. Smith ' 



