106 BRITISH TUNICATA. 



" Body conical ; test thick, coriaceous, dark reddish- 

 brown, warty ; orifices rather large, on produced 

 conical quadrangular eminences, the angles formed by 

 strong ribs composed of united warts ; rims of orifices 

 white, with a fine crimson bordering line. 



"Length nearly two inches." 



Hub. From a depth of thirty fathoms (Forbes). 



SCOTLAND. Loch Fyne, Argyll; dredged (Forbes $' 

 Me Andrew'). Wick, Caithness (Peach). 



First record. Forbes & Hanley, 1848; coll. Forbes 

 & McAndrew, 1845. 



A specimen of this species is in Professor Goodsir's 

 collection. The orifices are very wide and distinctly 

 quadrangular, and the quadrate form of the tubes on 

 which they are placed is continued on the body. 



[The descriptions of this and the previous species 

 are from Forbes & Hanley 's 'British Mollusca.'] 



4. Styela mamillaris (G-aertner). 



(PI. XXXIV, figs. 7 and 8 ; PI. XXXV, fig. 2; PI. 



XLI, figs. 1-3.) 



Distomus 'mamillaris GAERTNER in Pallas' Spec. Zool. I, 

 fasc. 10 [1774], p. 24. 



Ascidia mamillaris PALLAS Spec. Zool. I, fasc. 10 [1774],, p. 

 24, [pi. i, f. 15;] BRUGUIERE Hist, Nat. Vers, I [1789], 

 p. 145, in Eiicycl. Meth. ; [BORY DE ST. VINCENT Vers, 

 etc. I (1791), p. 135,] pi. Ixii, f. 1, [in Tabl. Encycl. 

 Meth. ; GMELIN Linntei Syst, Nat, ed 13 (1791), p. 3127 ; 

 Bosc Hist. Nat, Vers, I (1802), p. 102; TURTON Gen. 

 Syst, Nat. IV (1802), p. 96, and Brit. Fauna, I (1807), p. 

 132; PCJVERNOY in Diet, Sci. nat. III (1816), p. 194; 

 LAMARCK Hist, Nat. Anim. sans Vert, ed. 1, III (1816), p. 

 123; STEWART Elem. Nat, Hist. I (1817), p. 392; MACLEAY 

 Horse Entomol. pt. 2 (1821), p. 204; STARK Elem. Nat. Hist, 

 II (1828), p. 117 ; LAMARCK Hist. Nat, Anim. sans Vert, 

 ed. 2 (1840), p. 527; THOMPSON in Ann. Nat. Hist. (1) V 

 (1840), p. 94, and Nat, Hist, Ireland, IV (1856), p. 360]. 



Cynthia mamillaris [SCHMIDT in Ann. Cliemie, LIV (1845), 

 p. 318, and (transl.) in Taylor's Sclent. Mem. V (1852), p. 



