433 



very pretty, the .spirals causing the large purple-brown spots to 

 appear tessellated on a light reddish ground. 



Alt. 12, diam. 13J mill. (Phil} 



Habitat unknotw. 



Tr. incisus MEXKE (in lift.) PHILIPPI, Conchyl. Cab., p. 175, t. 

 27, f. 16. 



E. HORRIDUS Philippi. PI. 37, fig. 17. 



Shell globose-conoid, perforate, transversely carinate and granulose- 

 sulcate, reddish, maculated with brown and white; last whorl en- 

 circled by 3 carinse, their interstices with one or two cumuli ; lip 

 thick, obtuse. 



The shell is globose-conoid, acute, with ."> very strongly convex 

 whorls, the last as long as the spire ; this has 3 prominent rounded 

 or cord-like granose keels, above the first of them 5 granose line ; 

 one or two similar grained threads stand between the first and 

 second and the second and third keels, and below the latter there are 

 about 8 cinguli. The aperture is egg-shaped, higher than broad, 

 the outer lip simple, denticulate, silvery ; columella vertical, even, 

 with a slight denticle. Umbilicus cylindrical but very small. Color 

 reddish-gray, with white and black spots. Separated from T. tri- 

 eingulatus by the small size, umbilicus, convex whorls, and the 

 smaller number of granose lirre. Alt. 12, diam. 12f mill. (Phil.) 



Pacific Ocean, 

 Tr. horridu* Phil., Conchyl. Cab., p. 172, t. 27, f. 12. 



E. PULLATUS Anton. PI. 38, fig. 4. 



Shell globose-conic, solid, thick, imperforate when adult, urnbili- 

 cate in the young, whitish or yellowish, marked longitudinally with 

 narrow black stripes, or series of black spots on the spirals ; whorls 

 about 05, convex, encircled by numerous spiral lira?, clathrate with 

 regular, elevated lamellae of growth, especially prominent between 

 the lira?; spiral Hra3 9 or 10 on the penultimate whorl, every alter- 

 nate one slightly larger ; on the last whorl there are about 16 to 18 

 lira?. The suture is very narrowly canaliculate. Aperture about 

 half the length of shell, rounded, silvery inside, and sulcate ; lip 

 thick, crenulated ; columella slightly curved, with a slight tooth at 

 base. Alt. 19, diam. 17 mill. ; alt. 21, diam. 19 mill. 



Persian Gulf; Red Sea* 



Trochus pullatus Anton, Zeitschr. f. Mai. 1848, p. 123. PHILIPPI, 

 Conchyl. Cab., p. 263, t. 39, f. 3. FISCHER, Coq. Viv., p. 407, t. 

 120, f. 1. 

 28 



