ADDENDA. 
Class PISCES. 
In June, 1889, Mr. J. Gr. E. MacLachlan brought to me, from Barrow-on-Soar, 
a slab of Lower Lias limestone exhibiting the head of a small fish, which, being 
unknown to me, I submitted to Mr. A. S. Woodward, who tells me that it is 
undoubtedly new to science, and, although it may prove to be allied to the 
Belonorhynchidce, yet, from the imperfect character of the mandible — part of 
which was probably thrown away on the counterpart as valueless ! — its exact 
position cannot be satisfactorily determined until another specimen turns up. 
This unique fossil (No. has been generously presented to the Leicester 
Museum by the finder, Mr. MacLachlan. 
Chond/rosteus (?) (pp. 197-8). 
I was fortunate in being able, on 9th August, 1889, through Mr. John Raven, 
acting for the Messrs. Ellis, to add to the Leicester Museum a slab and 
counterpart containing the greater portion of the pectoral fin, and some of the 
osseous plates of the head, of this rare and interesting fish, making the second 
specimen now known from the Lower Lias of Barrow-on-Soar, and forming a 
welcome addition as exhibiting parts missing in the former example. This 
(No. 1|^), with the other, will shortly be figured and described. 
