54 BRITISH TUN1CATA. 



[1825], p. 585; [M. SARS in Froriep's neue Notizen, III 

 (1837), col. 100;] FORBES & HANLEY Brit. Moll. I [1848], 

 p. 341; GOSSE Man. Marine Zool. II [1856], p. 34; 

 WOODWARD Man. Moll. [pt. 3 (1856)], p. 341 ; H. & A. 

 ADAMS Gen. Recent Moll. [1858], p. 597. 



Colony sessile, incrusting, gelatinous. Individuals 

 short, ovate, lying nearly horizontally and arranged 

 in numerous regular, star-like, circular or elliptic 

 systems around a common excretory orifice. Bran- 

 chial aperture not quite terminal, without rays; at rial 

 rather remote and not far from the opposite end of the 

 body, communicating with the cloacal cavity. Tenta- 

 cular -filament^ eisrht, four long and four short. 



v O O 



Ovaries double, one on each side of the branchial sac. 



1. Botryllus Schlosseri (Pallas) Savigny. 



(Plate LXI, figs. 1 and 2; and figs. 110 to 121 and 



125ft in text.) 



Alcyoninm ? SCHLOSSER in Phil. Trans. [XLIX, pt. 2 (1757), 

 p. 449]; BORLASE Nat. Hist. Cornwall [1758], p. 254, 

 pi. xxv, ft. 1, 2 [iion 3, 4]. 



[Alcyonium c<irnof<n)n, axta-icix, rarttis obfiisix, onidtutu ELLIS 

 in Pl.il. Trans. XLIX, pt, 2 (1757), p. 451, pi. xiv, 

 ft. A-C.] 



Alcyonium Schlosseri PALLAS Elench. Zooph. [(1766), p. 

 ::'55] ; LINNJEUS Syst. Nat. eel. 12 [I, pt. 2 (1767)], p. 

 1294; [BODDAEKT Lyst Plant-Dieren (1768), pp. 440, 

 653, pi. xi, ft'. 2 a, 2b; BERKENHOUT Nat, Hist. Gt, Brit. 

 Irel. I (1769), p. 210; op. clt. ed. 2, I (1789), p. 213; 

 and ed. 3, I (1795), p. 213; HOUTTUYN Nat. Hist. DiereiK 

 I, 17 stuck (1772), p. 398; P. MULLER Linne Natnrsyst, 

 VI, 2 (1775), p. 782; GRONOVIUS Zooph. Gronov. (1781), 

 p. 374;] SOLANDER. Nat, Hist. Zooph. [1786], p. 177; 

 [WILKENS Charakt. Thierpfl. II (1787), ]>. 188, pi. xviii, 

 f. 62; BEUGUIERE Hist, nat, Yers, I (1789), p. 280, in 

 Encycl. Meth ; GMELIN Linna-i Syst, Nat. I, pt 6 (1791), 

 3812; OLIVI Zool. Adriatica (1792), p. 239; ESPEK 

 Pflanxenthiere, III (1794), p. 25, pi. vi, ft. 1, 2; PALLAS 

 Travels S. Prov. Russ. (Engl. transl.) II (1803), p. 465 ; 

 SHAW & NODDKK Xtit. Miscell. XVIII (1806), pi. dccxlviii- 

 TI-RTON Gen. Syst, Nat, (1806), IV, p. 653, and Brit, 



