16 CONUS. 



description ; none other of the numerous Panama collections 

 published include any similar shell. 



O. OMAICUS, Hwass. PL 4, fig. 53. 



Shell narrow, whitish, encircled by numerous Hues of square 

 spots and dashes of orange-brown, often forming two or three 

 broad bands by their approximation. Length, 2-2*75 inches. 



Ins. Oma, Banda Group; Amboina. 



Section III. FIGULINI. 

 Dendroconus, Swain son, Morch. 

 C. BETULINUS, Linn. PL 4, figs. 54, 55. 



Shell yellow or orange-br^own, with revolving series of spots, 

 and short lines of chocolate upon narrow white bands, spire 

 radiated with chocolate ; base of shell strongly grooved. 

 Length, 2*5-4 inches. 

 E. Africa, Isle of Bourbon, Ceylon, Java, China, Philippines. 



Yar. SURATENSIS, Hwass. PL 4, fig. 55. 



Spots more numerous ; the more rugose growth-lines cause 

 them to be rather regularly interrupted, so that the}^ form longi- 

 tudinal as well as revolving series. 



Philippines. 

 C. GLAUCUS, Hwass. PL 4, fig. 56. 



Bluish ash or very light chocolate, with usually a lighter 

 narrow central band, and numerous short chocolate lines in 

 revolving series, spire broadly radiated with chocolate. 



Length, 2 inches. 



Sumatra,, Borneo, Moluccas, Philippines. 



Resembles C. betulinus, var. Suratensis, but may be distin- 

 guished mainly by its color. 



C. FIGULINUS, Linn. PL 4, figs. 57, 58 ; PL 27, fig. 1. 



Chestnut-color, encircled by numerous narrow chocolate lines, 

 spire chocolate-colored. Length, 2-3*5 inches. 



Ceylon, Java, Philippines, New Caledonia. 



The body-whorl is occasionally narrowly light-banded in the 

 middle. 



Yar. LOROISI, Kiener. PL 4, fig. 58. 



Shell larger, with more depressed spire than usual in fiyulinus; 



