156 ACTION. 



A. PUSILLUS (Forbes) Jeffreys. 



Shell ovate-globose, whitish ; whorls 4, regularly and deeply 

 punctate-striate ; aperture oblong. Length 4, breadth 2 mill. 

 (Fb,.), 



Lycia; Naxia (Forbes); Palermo and San Vito, 90-210 fms. 

 (Mouts.) ; Of Havana, 450 fms. (Sigsbee) ; off Sand Key, 111 fms. 

 (Blake); off Sombrero I., 450 fms. (Chall.) ; Madeira 20-50 fms. 

 (Watson). 



Tornatella pusilla FORBES, Rep. Aeg. Invert., Rep. Brit. Asso. 

 Adv. Sci. 1843, p. 191. Actceon pusilla JEFFR., Ann. Mag. N. H. 

 (4), vi, p. 84 ; I. c. (5), x, p. 34. MONTEROSATO Enumerazione, etc., 

 p. 50; Journ. de Conchy], 1878, p. 160 (A." pupillus'^.BEGU- 

 ENZA, Form. Terz. Calab. p. 251. WATSON, Chall. Rep. Gastr., p. 

 .627. DALL., Blake Gastr., p. 39. 



This species has not, I believe, been figured. 

 A. EXILIS Jeffreys. PI. 19, figs. 4, 5, 6. 



Shell oblong or somewhat spindle-shaped, semitransparent, and 

 glossy : sculpture, numerous spiral striae or impressed lines, which 

 are quite smooth or plain, instead of being punctate as in other 

 species of this genus ; color clear white ; spire elongated, with a 

 blunt apex : whorls three moderately convex ; the last occupies 

 three-fourths of the spire ; the first is mammiform ; suture distinct, 

 margined ; mouth rather narrow, irregularly pear- shaped, expanded 

 at the base; length three-fifths of the shell; outer lip gently curved, 

 and folding inwards; inner lip folded back on the lower part; 

 pillar flexuous ; fold strong and conspicuous. (Jeffr.*). 



Alt. 4-7 mill. 



Mediterranean Sea, 92-1465 fms. ; Bay of Biscay, 227-924 fms. ; 

 N. Atlantic, 227-1456 fms. (Jeffr.) ; off Fay al, 450-500 fms. (Chal- 

 lenger) ; Off e. coast Florida, 150-200 fms. and Campeche Bank, 

 Gulf of Mexico, 200 fms. (Rush); Off Martha's Vineyard, 312-487 

 fms. (Verrill). 



Aclceon exilis JEFFR., Ann. Mag. N. H. (4), vi, p. 85, 1870. 

 WATSON, Chall. Rep. Gastr. p. 625, 1886. DALL, Blake Rep. Gastr. 

 p. 38, 1889. DAUTZENBERG, Resultats Campagnes Sci. le Prince 

 Albert I, i, p. 20, pi. 1, f. 1. Auriculina insculpta VERRILL, Proc. 

 U. S. Nat. Mus. iii, p. 381, 1880. Actceon nitidus VERRILL, Tr. 

 Conn. Acad. v, p. 540, pi. 58, f. 21, 1882. *! A. nitidusSvG., Form. 

 Terz. Calab., p. 251. 



