g)n a 



of t&e 

 from fipe "2forfCcm6 



By A. SMITH WOODWARD, LL.D., F.B.S., of the 

 British Museum. 



[PLATE B.] 



LMOST all the remains of fishes from the Portland 

 Stone are so fragmentary that the discovery of a 

 nearly complete specimen is always worthy of note. 

 All the Portlandian Pycnodonts hitherto named, for 

 example, are known only by isolated jaws. It is, 

 therefore, of much interest to be able to study the 

 complete fish to which some of these jaws 

 belonged. Such a specimen has lately been 

 obtained from the "roach" bed by Mr. F. J. 

 Barnes, who has kindly entrusted it to me for the following 

 description. 



The newly-discovered fish is of the deep-bodied, 'laterally 

 compressed shape so characteristic of Pycnodonts, and is shown 

 of nearly one-half the natural size in PI. B, Fig. i. Allowing for 

 probably slight distortion in the caudal region, its total length 

 must have been originally about 0*25111., while its maximum 

 depth would be not more than o'zim., and the length of the head 



