286 MUREX. ROCK-SHELL. Class VI. 



small; canal short, bent to the left; length 

 three eighths of an inch. 



22. PROXi- Mont. Test Br. Sup. 118. f. 30./. 8. 



MUS. 



* M. with a thick white shell, of six volutions, 

 crossed by eleven strong ribs ; aperture ovate- 

 oblong; outer lip broad and reflected; canal 

 short ; length nearly half an inch. 

 Tyningham sands near Dunbar. 



23. DECOL- Lin. Syst. 1226. No. 578. Gm. Lin. 3563. 



LATUS. 



A species offered with doubts. Perhaps 

 accidentally mutilated. Minute. Let the cri- 

 tical conchyliologist consult tab. Ixxxii. Jig, 3. 



### Turrited, tapering, tail very short. 



24. FUSCA- Gm. Lin. 3562. Turbo tuberculata. Br. Zool. 



"^us- Lin. Tr. viii. UQ. t. 4. /. 6. iv. I29. 



Mont. Test. Br. 269. 



M. with a pyramidal shell ; the upper stricB of 

 the volution denticulated ; length an inch and 

 an half. Tab. Ixxxv. Jig. 1. 



