258 APPENDIX. 



PTEROPODA. 



Vol. ii. p. 384. Spirialis Flemingii. 



We had the pleasure, in August, 1850, when cruising with 

 Mr. M'Andrew off the north-west coast of Skye, of observing 

 numbers of this beautiful little pteropod sporting — as it were, 

 dancing — in its native element. When out-spread, its wings 

 extend to much beyond the length of the shell. They are shaped 

 something like the petals of a catch-fly, rather truncated at the 

 extremity, furnished with a small lobe half way down their 

 under-sides, and another small rounded lobe at their lower bases. 

 The body is dark purple, the wings paler, the basal lobes edged 

 with purple. The shape of the wings differ somewhat from that 

 represented in the figure by Souleyet. We have given a fresh 

 figure, from the Scottish animal, in Plate M. M. fis,'. 1. 



GASTEROPODA. 



Vol. ii. p. .398. Chiton Hanleyi. 



The animal is of a dusky-red tinged with brown. The head 

 is reddish, and has a strongly lobed hood. The mantle is of a 

 tawny grey. The branchiaj are reddish ; they reach to about 

 one-third of the length of the body, and are each composed of 

 from eiffht to ten leaflets. 



Vol. ii. p. 405. Chiton albus. 



Montagu's specimen of this shell is identical with those de- 

 scribed in this work. His brief description, however (Test. 

 Brit. p. 4, from which Turton, Conch. Diction, p. 35) is by 

 no means characteristic, and is more suited to the Chiton can- 

 cellattcs. 



