ADDENDA ET CORRIGENDA 



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

 Bulletins. 



Page 



47 For RNIGICULA read RINGICULA. 



58 For SipJi07iaria iineolata d'Orb. (r^ire precccipied) 



substitute 6'. navfraga Stearns. 

 75 For Oliva circinata Marrat substitute O. saya7ia Ra- 



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



synon3^my. 



77 For Marginella apicinca read apiciiia. 

 81 For Scaphella junonia substitute Maculopepluvi jiinon- 

 ium, this species being the tj^pe of Maculopcpliim 

 Dall, 1906. 

 loi For Epitomhwi read Epitoniuyn. 



104 Jaiithina covinuinis is regarded by JohriSon (Nautilus, 

 1922) as identical with J. janthiyia. Bartsch, how- 

 ever, considered coniimtnis and fragilis (equals 

 mnthma) to be distinct (Bull IT. S. N. M. 1915). 

 The latter opinion is followed here. 



164 For Petrotrochus read Pcrotrochus. 



188 For Chiojie Roivelli read ChioncRoicleei. 



206a h.i\.^x Acteon costaricensis, n. sp. insert PI. 15, fig. 15. 



275 For Fuses miocosmins read Fiisv-s viiocosniius. 



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



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



405 For Gafrarium livionensis read Gafrarium limomiise. 



