74 CATALOGUE OF THE MOLLUSCA 



Order. CIRRHOBRANCHIATA, Blainville. 



Family. Dentaliad^, Gray. 



73. DENTALIUMjimK. 



1. D. ENTALis, Linn. 



Dentalium entails, Mont. Test. Brit. 494. 



From deep water, not common. 



Capt. Brown states that he met with a specimen of Denta- 

 lium octangulatum at Holy Island. — Illust. Rec. Conch. 117. 



74. C^CUM, Fleming. 



1. C. TRACHEA, Mont. 



Dentalium trachea, Mont. Test. Brit. 497, t. 14, f. 10. 

 Rare. One specimen found in sand at Tynemouth. — /. A. 



2. C, GLABRUM, Mont. 



Dentalium gldbrum, Mont. Test. Brit. 497. 



In sand from Cheswick and Fern Islands, rare. — /. A. 



Though aware of Mr. Clarke's interesting unpublished re- 

 searches on the animal of this genus, we are unwilling to re- 

 move it from the vicinity of Dentalium, until its true place shall 

 be more accurately made out. No genus has had more various 

 places assigned to it ; and, having no personal knowledge of the 

 subject, we do not wish to be the first to give it another. 



** ACEPHALA. 



Class. CONCHIFERA, Lamarck. 



Order. PALLIOBRANCHIATA, Blainville. 



Family. TEREBRATULiDiE, Gray. 



75. TEREBRATULA, Muller. 

 1. T. PSiTTACEA, Gmelin. 



Terehratula psittacea, Turt. Brit. Biv. 236. 

 Hypothyris psittacea, King in Ann. Nat. Hist, xviii. 238. 

 One perfect and a broken specimen of this species have been 



