ERRATA. 
Page 152, line 23, for Diomedee, read bandella Dall (see p. 250). 
Page 160, line 9, and page 226, line 23, for Bela hebes read Gymnobela hebes. An 
examination of the animal shows that this species has no operculum. ‘The 
nucleus is imperfect in all of our specimens. It is closely allied to G. curta. 
The latter may prove to be only a variety, when larger series can be compared. 
Page 163, line 34, for Typhlomangelia read Typhlomangilia. 
Page 175, line 26, for figure 14, read figure 16. 
Page 193, lines 10 and 15, and page 194, line 33, for charissa, read chariessa. 
Page 218, line 23, for 35165, read 35163. 
Page 238, line 6, for 306, read 302. 
Page 250, lines 2 and 25, for 1881, read 1882. 
ERRATA FOR VOL. .V. 
The following errata have been noticed in the former catalogue. 
Page 448, line 15, for Sept. 15, read Sept. 13. 
Page 511, line 7 from bottom, for Mérch, read MOll. 
Page 520, line 23, for umbiblical, read umbilical. 
Page 523, lines 1, 2, for bombix, read bombyx. 
Page 529, lines 27, 28, for Atalanta, read Atlanta. 
Page 529, last line, for Bolton, read Bolten. 
Page 535, line 21, add off Halifax, 190 fath.; off Block I., 6-15 fath., 1874. 
Page 539, line 9, for Plasianella, read Phasianella. 
Page 540, last line, for perisotraca, read periostraca. 
Page 551, line 8, read Cape Breton Island. 
Page 553, line 12, for Galvinia, read Galvina. 
Page 567, line 31, before Leche, insert Nova Zembla and Kara Sea. 
Page 572, line 9, for Nova-anglie, read Novanglie. 
Page 578, line 18, for mytilus, read Mytilus. 
