ADDENDA ET CORRIGENDA 



NoTp:. — All page references are to the Volume and not the separate 

 Bulletins. 



Page 



47 For RNIGICULA read RINGICULA. 

 58 For Siphonaria li7:eclaia d'Orb. (rtne prccccrjied; 



substitute 5". naiifraga Stearns. 

 75 P'or Oliva circinata Marrat substitute O. sayaria Ra- 



venal (Cat. p. 19. 1S34) and place circinata in 

 synon)'my. 

 77 For Marginella apicinca read apicina. 



81 For Scaphella junonio. substitute Maculopepluvi junon- 



iuni, this species being the t3'pe of Macidopephim 

 Dall, 1906. 

 loi For EpitomiMm read Epitoiiiinn. 



104 Janihina cornnuinis is regarded by Johnson (Nautilus, 

 1922) as identical withy, janthina. Bartsch, how- 

 ever, considered cominiaiis and fragilis (equals 

 ia7it/ii?ia) to be distinct (Bull U. S. N. M. 1915). 

 The latter opinion is followed here. 

 164 For Petrotrochus read Pcrotrochus. 

 188 For Chione Rozvelli read ChimieRoivleei. 



206a Klt^x Acteo7i costaricensis, n. sp. insert PI. 15, fig. 15. 

 275 For Fuses miocosniiiis read Fusn.s miocos^nius. 



306 After Bursa crassa, for PI. 15, fig. 15 read PI. 15 fig. 19. 



318 For H. B. Lea read H. C. Lea. 

 405 For Gafrariinn iimonensis read Gafrariiwi linionivse. 



