1 



488 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. 53. 



SCALARIA SUPRASTRIATA Carpenter, 1857, 



From Mazatlan, has the whorls not touchmg, is imperforate, with 

 acute spire. It has 12 acute varices and a small spine at the shoulder. 



SCALARIA OBTUSA Sowcrby, 1844. 



From Santa Elena, Ecuador; is not the species so named from 

 Panama by C. B. Adams. 



SCALARIA REGULARIS Carpenter, 1856. 



Has 9 whorls and 10 to 12 sharp varices. There is obsolete spiral 

 sculpture on the early whorls. It is a Panama species. 



SCALARIA CUMINGI Carpenter. 1856. 



Was also described from Panama. It has 8 or 9 varices. 



SCALARIA DIADEMA Sowerby. 1832. 



Is a Galapagos species. 



SCALARU RARICOSTATA Carpenter, 1857. 



From the Gulf of California; has 8 slender varices. It is S. car- 

 penteri, Tapparone Canefri, 1876, not raricosta Lamarck, 1822, nor of 

 Costa (1844 ?). It belongs to Punctiscala De Boury, 1890. 



SCALARU REFLEXA Carpenter. 1855. 



From San Bias, has 5 varices, with spout-like or subtubular spines. 

 This is referred to Ilirtoscala Monterosato, 1890, by Cossmann, 



SCALARU STATUMINATA Sowerby, 1844. 



Belongs to the general group which includes Epitonium hialatum. 

 It was described from Payta, Peru. It is also reported from Panama 

 Bay, near Taboga Island. 



SCALARU POUTA Sowerby, 1844. 



Was described from Xipixapi, Ecuador, and is referred to Longi- 

 scala De Boury, 1910. 



SCALARU ELENENSIS Sowerby. 1844. 



Came from Santa Elena, Ecuador. 



SCALARU PRINCIPALIS Pallas. 1774, 



Of which S. costulata Kiener is a synonym, is reported from West 

 Colombia, which is certainly erroneous. Gmelin states that it is a 

 native of Coromandel, and Cossmann refers it to the Philippines. 

 The west Colombian shell is ducalis Morch, 1876, and was named by 

 Tapparone Canefri S. simillima in the same year. 



