209 



Fusus continued. 



polygonus. . ovate, with many ribs ; transversely rugose ; the 



edges of the turns raised against the preceding ? opening 



dentated 1-j inch. 

 abbreviatus. . ovato- conical, rugous transverse rings ; nodose 



ribs ; columella obsoletely umbilicated \ inch. 

 excisus. . columella as if cut obliquely 5 inch. 

 minutus. . ovate, ribs numerous ; transverse striae united in bands 



very small. 

 asperulus. . ovate, turreted, ribbed, rough transverse striae ; canal 



short small. 

 plicatus. . ovate, turreted ; ribs smooth, longitudinal ; base short ; 



no transverse striae small. 

 scalaroides. . numerous distinct fine ribs, obsolete transverse 



striae ; canal short ~ inch. 



coronatus. . ovate, conical both ways ; spire crowned with nu- 

 merous small nodules, lower half finely striated small. 

 alligatus. . ovate, turreted, prominent, transverse rugae ; canal 



short small. 

 marginatus. . fusiform, turreted ; spire nodulous, and the upper 



edge of each turn raised small. 

 nodulosus. . ovate, small, nodulous ribs ; columella obliquely 



biplicated. 

 angulatus. . fusiform, veutricose ; thick, acutely angular ribs ; 



transverse, prominent striae 1 inch. 

 ittijiUcatus. . rough, with ribs and decussating striae ; columella 



with one plait l\ inch. 

 funiculosus. . long, fusiform ; transverse rugae, alternating in 



size; columella slightly plaited 1~ inch. 



heptagonus. . seven rows of ribs with decussating striae ; colu- 

 mella rather plaited nearly 2 inches. 

 subcarinatus. . ovate, short and turgid ribs, angular at their 



ends ; turns carinated angularly, flattish at their tops. 

 ficulneus. . ovate, almost globular ; about fifteen ribs like folds, 



forming at about two-thirds of their length a row of 



tubercles across the shell ; the base bowed ; columella 



twisted, with an oblique fold 1 inch. 



Pyrula. 



lavigata. . obovate, very thick, especially on the left side ; 



obtusely striated, the spire pointed 2 inches. 

 subcarinata. . smooth, back obtusely carinated ; turns concave 



upwards ; spire pointed. 

 tricarinata. . clavated, last turn decussated and with three 



transverse prominent distant striae lj inch. 

 elegans. . decussated, the transverse striae raised and undulating. 

 clathrata. . ovately clavated, decussated, the transverse striae 



alternately large and small. 

 nexilis*. . ovately clavated, decussated, the transverse striae 



largest. 



* Murex nexilis Brand, Foss. fig. 55. 

 E e. 



