86 BRITISH TUNICATA. 



tinned into a stripe or blotch of the same colour 

 above; arranged in rather short ill-defined branching- 

 systems (PL LXV, fig. o) with the common orifice 

 indistinct. 



Diameter of mass two inches to two inches and a 

 half (50-63 mm.). 



Hab. On the underside of stones between tide- 

 marks (Alder). 



CHANNEL ISLANDS. St. Peter's Port, Guernsey 

 (Alder). 



First record. [Ansted & Latham, 1862 ;] coll. 

 Alder. 



9. Botrylloides pusilla Alder. 

 (Plate LXV, figs. 5-7.) 



Boh-i/Uoides pnsilla ALDKR in Ann. Nat. Hist. (3) XI [1863], 

 p. 173, [and MS. sp. in Ansted & Latham's Channel Isl. 

 (1862), p. 219.] 



Colony (PI. LXV, fig. 5) incrusting, semi-transparent, 

 orange flesh-coloured, with yellow marginal tubes, 

 Individuals (PI. LXV, fig. 7) small, bright orange- 

 scarlet in colour, consisting of a minute sprinkling of 

 scarlet on a yellow ground ; a yellow spot behind the 

 branchial aperture, the atrial aperture also yellow ; 

 the individuals set in crowded double or treble rows, 

 forming ill-defined systems (PI. LXV, fig. 6). Bran- 

 chial sac with ten rows of stigmata. 



Diameter of mass nearly two inches (50 mm.). 

 Length of individuals half a line (1 mm.). 



Hal. On the underside of a stone near low water- 

 mark (Aider). 



CHANNEL ISLANDS. Grand Havre, Guernsey (Alder). 

 First record. [Ansted & Latham, 1862;] coll. 

 Alder. 



Only one specimen was found of this beautiful and 

 very distinct fiotri/lloidcx, which has somewhat the 

 habit of a Leptoclinum. 



