liOTRYLLOlDES ROTIFERA. 85 



the extremities of their divisions pyriform swellings 

 destined to become new individuals.] 



7. Botrylloides ramulosa Alder & Hancock. 

 (Plate LXV, fig. 1.) 



Botrylloides ramulosa ALDER & HANCOCK in Trans. Tyneside 

 Nat. Field Club, I [1848], p. 207; FORBES & HANLEY 

 Brit. Moll. II [1849], p. 372 ; [COCKS in Rep. R. Cornw. 



Polyt. Soc. for 1849 (1850), p. 75~|. 



Colony pellucid, nearly colourless, with a few 

 yellow marginal tubes. Individuals arranged in 

 much-involved winding systems (PI. LXV, fig. 1) ; 

 their upper half obscure yellowish-brown, the lower 

 pale ochreous yellow or cream-coloured, forming a 

 pale belt down the centre of each system, following 

 the sinuosities. 



Diameter of mass upwards of an inch (25 mm.). 

 Length, of individuals nearly a line (2 mm.). 



Hab. On the underside of stones within tide- 

 marks (Hancock). [Also attached to stems of Fucus 

 serratus (Goclcx)J\ 



ENGLAND. Cullercoats, Northumb., rare (Hancock). 

 [Glasson's beach, Bar Point, etc., Falmouth, Cornwall 



(Cocks)']. 



First record. Alder & Hancock, 1848 ; coll. Han- 

 cock. 



8. Botrylloides sparsa Alder. 

 (Plats LXV, figs. 2-4.) 



Botrylloidt'* uparsa ALDER in Ann. Nat. Hist. (3) XI [1863], 

 p. 172, [and MS. sp. in Ansted & Latham's Channel Isl. 

 (1802), p. 219.] 



Colony (PI. LXV, fig. 2) rather thick, incrusting, 

 semi-transparent, of a yellowish-brown colour. Indi- 

 viduals (PI. LXV, fig. 4) rather small, yellowish brown 

 thickly sprinkled with dark brown spots, with a circle 

 of sulphur-yellow around the branchial orifice, con- 



