30 
vex than the other, and the margin a little flattened. The 
foliaceous appendages are large, broad at the base and re- 
curved towards their points: they are so numerous as to 
touch or even cross one another, and are probably placed 
in two rows. The aperture is oblique with rounded edges, 
ovate, biangular, the anodes being at the extremities of the 
longest diameter, which is terminated by the foliaceous ex- 
pansions. The lines of growth are numerous, arched and 
sharp, indicative of an internal animal. The smaller part 
of the tube is usually separated by a septum as the animal 
advances. 
I have seen three specimens of this extraordinary shell, 
two of which, found in the limestone of Kendal, were only 
portions of the last whorl, which measured 9 inches by 6; 
the termination of one of these is shown at fig. 2. The 
third specimen is the same as that figured by Prof. Phil- 
lips ; it is from near Whittle in Yorkshire. 1 am indebted 
to Mr. Gilbertson of Preston for the use of all these spe- 
cimens: the last has been transferred by that gentleman, 
along with his splendid collection of mountain-limestone 
fossils, to the British Museum. 
PHANEROT1NUS nudus. 
TAB. DCXXIV — //g\ 3, 4 & 5. 
Spec. Char. Unarmed. 
Syn. Phanerotinus nudus, J. Sow. Morris ,C at. 153, 
A. simple, nearly round, convoluted tube, with a slight 
ridge along one side; lines of growth strong, circular; 
thickness unequal. 
This occurs in mountain limestone with Eiiomphalus pen- 
tangularis , &c. The specimens are in Mr. Gilbertson’s 
collection. v 
