of Bn'tisli Mollusca. <>3 



Older 11. U r 1 .S T 11 O B U A N ClI I A T A. 

 Suboicler I. TECTIBRANCHIATA. 



A. E 1' ir A L A s r I D i: a. 



Fain. 1. Actaeonidae. 

 Genus Act.<eon, Moutfort. 



27. Aclwon tornatlUs. 



Var. 1. suhulaia, Searles Wood. 

 Var. 2. tenella, Loveii. 

 Var. 3. buUceformis, Jeffreys. 



28. ActcBon exiUs, Jeffreys. 



Actfeon e.rilis, .Tefl'reys, Ann. & Mag. Nat. Hist. ser. 4, vol. vi. (]8r0), 



p. 21, and vol. xix. (1877), p. 335. 

 Auriculina insculpta, Verrill, I'ruc. U. S. Nat, Mas. vol. iii. (1880), 



p. 381. 

 Actcpon nitidus, Verrill, Trans. Conn. Acad. vol. v. (1882), p. 640, 



pi. Iviii.fig. 21. 

 Actceon cxilis, Dall, Bull. Miis. Conip. Zool. vol. xviii. (188!)), p. 38. 



* Porcupine ' expedition, 1869, in 1215 fathoms, off Ireland 

 to the south-east of Rockall (Stat. 28). 



It has been found also in tlie North Atlantic in 1450 

 fathoms, ' Valorous,' off the Jjusitanian coasts, 227-994 

 fathoms, 'Porcupine/ 1870, and in the Mediterranean, 92- 

 1456 fathoms. Off" east coast of Florida, 150-200 fathoms, 

 and Gulf of Mexico, 200 fathoms {Dr. Rush) ; off Martha's 

 Vineyard, East America, 312-407 fathoms {Verrill). 



Jeffreys states tliat it has been found by the late Prof. 

 Seguenza fossil in the older Pliocene of Calabria. 



Fam. 2. Tornatinidae. 



Genus 1. Tohnatina, A. Adams, 1850 {= Utriculus, 

 Brown, 1845, non Schumacher, 1817). 



29. Tornatina obtusa (Montagu). 



Var. Lajonkaireana (Basterot). 



30. Tornatina mammillata (Philippi). 



31. Tornatina truncatula (Bruguiere). 



^ ^x . liellucida (Brown). 



32. Tornatina umbilicata (Montagu). 



Var. striyella (Lov^n). 



33. Tornatina nitidula (Lovdn). 



