16 CONUS. 
description; none other of the numerous Panama collections 
published include any similar shell. 
O. Omaicus, Hwass. PI. 4, fig. 53. 
Shell narrow, whitish, encircled by numerous lines 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. Fiau int. 
Dendroconus, Swainson, Morch. 
C. BeTuLINuS, Linn. PI. 4, figs. 54, 55. 
Shell yellow or orange-brown, 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. 
L. Africa, Isle of Bourbon, Ceylon, Java, China, Philippines. 
Var. SuRATENSIS, Hwass. PI. 4, fig. 55. 
Spots more numerous; the more rugose growth-lines cause 
them to be rather regularly interrupted, so that they form longi- 
tudinal as well as revolving series. 
Philippines. 
C. cuaucus, Hwass. PI. 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, Moluceas, Philippines. 
Resembles C. betulinus, var. Suratensis, but may be distin- 
guished mainly by its color. 
C. FiguLinus, Linn. PI. 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. 
Var. Lororst, Kiener. PI. 4, fig. 58. 
Shell larger, with more depressed spire than usual in jigulinus; 
