EKUATA AND ADDENDA 
p. 17. For Haduna read Iladena. 
p. 27. Fifth line from the bottom. 
Rhinotihodes should he Rhinolithodes. 
p. 28. Eighth line from top. 
R. Wosnessenokii should be R. W osnessenskii. 
p. 32. Tenth line from the top. 
T. puncta codata should be T. punctocodata. 
p. 41 to 47. The numbers following specific names refer to the 
list of authors given on pp. 32 to 72. 
pp. 55, 56 and 57. The species of Chitons marked with an asterisk 
have been identified by Mr. II. A. Pilsbry, [H.A.P.] who 
also kindly furnished notes upon some of their charac- 
teristics. Their arrangement in genera is Mr. Dali’s of 
1878, (vide No. 36) and differs from Mr. Pilsbry’s more 
recent classification. 
