76 BRITISH TUNIOATA. 



[?] Pandocia FLEMING Brit. Anim. [1828], p. 468. 

 G-landula STIMPSON [in Proc. Boston Soc. Nat. Hist. IY 

 (1852), p. 230]. 



Body sessile, attached either by the base or side. 

 Test coriaceous, opaque, adhering to the mantle more 

 or less throughout. Both apertures quadrate or 4-lobed. 

 Branchial sac with more than four folds on each side, 

 the meshes rectilinear. Tentacular filament* pinnate 

 or branched. Stomach and intestine on the right side 

 of the body. Reproductive organs on both sides. 



Cynthia microcosmus Savigny. 



North, East, and West of Ireland, W. Thompson 

 [Nat. Hist. Ireland, IV (1856), p. 361]. 



It is doubtful whether Mr. Thompson, who is the 

 only one that has recognized this species as British,* 

 may not have mistaken some other species for it. 

 Milne Edwards says that the C. microcosmus of Savigny 

 is not that of Cuvier. 



1. Cynthia rosea Alder. 

 (PL XXXI, figs. 1 and 2 ; and fig. 50 in text.) 



Cynthia rosea ALDER in Ann. Nat. Hist. (3) XI [1863], p. 

 161. 



Body cylindrical, nearly [two-thirds] as broad as 

 high, rose-coloured, adhering to shells by a tolerably 

 broad base. Apertures on large mamillae, yellowish, 

 with four double stripes of red, and covered with 

 minute, crystalline, pointed spicula. Test thick, tough, 

 opaque, smooth, [or roughened with warty tubercles,] 

 rose-coloured, closely adhering to the mantle. Mantle 

 flesh-coloured or orange, opaque. Tentacular filaments 

 large, bipinnate. Branchial sac orange, with eight 

 deep folds on each side. Oral lamina smooth, undu- 

 lated above. Reproductive organs in two lobulated 



* [See Dr. Dickie's record m 'Rep. Brit. Assoc.' for 1857, p. 111.] 



