54 
MARINE FAUNA OF ST. ANDREWS. 
Alder was of opinion that the drawing represented a young 
form of this species. It consisted of cylindrical animals with 
a transparent investment. On the summit of each are several 
long-ovate reddish orange structures marked with yellowish 
white grains, showing at the free extremity an oral aperture 
surrounded by eight small papilla?. 
Family Clavelinid®, 
Genus Clavelina, Sav. 
Clavelina lepadiformis, O. F. Muller; F. & Id. Brit. 
Moll. i. p. 26. 
[Plate II. fig. 9.] 
Occasionally between tide-marks. 
Family Ascidiadse. 
Genus Ascidia, Baster. 
Ascidia intestinalis , L. ; F. & H. Brit. Moll. i. p. 31. 
Abundant on the roots of tangles thrown on the West Sands 
