192 SKI'IA. 



ovate, compressed, acuminated anteriorly, rounded posteriorly, 

 with a long curved beak ; the ventral stria' extending to half the 

 length. Length, 2.") inches. 



Atlantic and Algerian Coasts of Africa ; Tenerijfe; Cape. 



In its proportions, both of animal and shell, this specie 

 very simihir to the preceding, but differs in the dentition of the 

 rings of the suckers, and in the number of tentacular rows. 



S. LATIMANUS, Quoy and (iaim. I'l. ss, ligs. 400, 401. 



Body ovate, smooth, truncated in front, pointed behind : lins 

 narrow, blue-edged; arms slender, quadrangular, elongate, un- 

 equal, order of length 4, 3, 2, 1, the rings of the cups with very 

 line, close teeth ; tentacles dilated, strongly palmated, having five 

 rows of cups, of which six or eight are very large, with their 

 horny rings plaited on the edge. Shell oblong, rounded ante- 

 riorly, obtuse posteriorly, longly and acutely beaked. 



Length, 16 inches. 



Indian Ocean; New Guinea; Celebes. 



S. TriiKiiriJLATA, Lain. PI. 88, ligs. 40:j, 404 ; pi. 8 ( ., ligs. 402. Hi:.. 

 Bod}' ovate, tuberculated. the tubercles very unequal, divided 

 into lobes ; lins narrow; head tuberculnted on the back, sides. 

 and round the eyes, smooth below ; arms short, thick, unequal, 

 length 4, .'>, 2. 1, the extremities of the arms with eight rows of 

 very small suckers, rest with four rows ; tentacles very long, 

 thickly clubbed, with live rows of cups, four cups very much 

 larger, with oblique, entire rings. Shell much depressed, ovate, 

 equally rounded at each end ; above smooth, nd cartilaginous 

 on the sides and ends ; beneath very concave. Length, 20 inches. 



Cape of Good Hope. 



S. VKKMKM I, ATA, Quoy and (Jaim. IM. st. iigs. 401',. 407. 



Body ovate, smooth, acute anteriorly; lins broad, largely 

 separated behind, dotted with red; head large; arms short, 

 thick at base, unequal, length t, 15, 2, 1, the cups with entire 

 rings; tentacles very long, cylindrical, club flattened, with very 

 numerous cups, eight or ten larger than the rest with entire 

 rings. Shell oblong, ovate, bluntly beaked posteriorly. 



Length, 15 inches. 



Cape of Good Hope. 



