MULTIVAtVE SHELLS. 



CHITON. 



THIS fpecies appears to gmw to a large fize in Scot- J^iARGiNATus, 

 land, as we have been favoured by Mr. Lalkey with fepa- ^' * 



rate valves, taken in tlie Forth, that were half an inch wide; 

 many fuch had occurred, but no infiance of a perfe6l fpe- 

 cimenofcorrefponding fize. 



Chiton dlscors. Lin. Trans, vlii. p. 20. SePTEMVALVIS, 



^ p. J. 



We are inclined to believe this is an accidental variety of 

 marginatus. 



BALANUS. 



1 T TN -r. o; ,/ ^ RUGOSUS, 



Lcpas borealis. Don. Br. Shells, v. t. \60. p^ § 



Lcpas riigosa. Lin. Trans, viii. p. 25. t. i. f. 5. 

 Fult. Hutch. Dorset, t. 2. f lO. 



Lepas 



