22 BRITISH TUNICATA. 



divided above into several oblong branches, variously 

 lobed, forming a somewhat fan-shaped expansion at 

 the free end ; many orange masses, or spots in the 

 interior giving an orange hue to the whole. Individuals 

 elongate. Branchial apcii/ti'/' 8-lobed, tinged with 

 orange Post- abdomen longish, linear, and rather 

 thin. The whole mass prettily and minutely speckled 

 with orange. 



Hat>. Hanging about a Gellularia in little orange 

 transparent tufts (Hind's). 



ENGLAND. Salcombe Bay, Devon (Hinds). 

 First record. Alder, 18(33 ; coll. Hincks, 1848. 



The above account of a very interesting little Pani- 

 scidia is extracted from manuscript notes by Mr. 

 Hincks of Tunicata got at Salcombe in 1848. There 

 can be no doubt of its distinctness from any species 

 yet described. 



Section 2. Without common excretory orifices. 



Genus 17. APLIDIUM Savigny. 



Aplidium SAVIGNY Mem. Aniin. sans Vert. pt. 2 [1816], 

 p. 181 ; [LAMARCK Hist. uat. Anini. s. Vert. Ill (1816), p. 94, 

 and ed. 2, III (1840), p. 488 ; LAMOUEOUX Exp. meth. 

 Polyp. (1821), p. 74;] FORBES & HANLEY Brit. Moll. I 

 [1848], p. 10; 11. & A. ADAMS Gen. Eecent Moll. II 

 [1858], p. 599. 



Aplydium WOODWARD Man. Moll. [pt. 3 (1856),] p. 342. 



Colony sessile, polymorphous, composed of numerous 

 annular, sub-elliptical, or irregular systems, without 

 common orifices. Individuals [only slightly elongated,] 

 placed in a single row at equal distances from the 

 common axis. Branchial aperture 6-lobed ; atrial [with 

 or] without lobes. Branchial sac with papillas. Abdo- 

 men inferior, sessile. Post-abdomen [short and thick 

 or] linear and more or less elongated. 



