284 PROCEEDINGS OF SOCIETIES. 



PLATE I. 



ILLUSTRATIVE OF A PAPER, BY J. R. KINAHAN, M.B., M.R.I.A., ON 

 ANNELIDOID TRACKS IN THE ROCKS OF BRAY HEAD, COUNTY OF 

 WICKLOW. 



Fig. 



1. Teacks in gray beds of Oldhamia radiata, showing (a) vertical tubes; 



(J) thread-like do. ; (c) laminated structure of tubuli. 



2. (a) Vertical tubes ; (b) thread-like parallel tubuli. 



3. Tracks from red bed, showing crossing tubuli. 



4. Vertical tubulus from green quartzose rock. 



5. Tracks in red beds, showing tubulus curved on itself, in connexion 



with Oldhamia antiqua. 



Note. — The Oldhamia occurring in connexion with the tubuli is not 

 shown in Figures 1, 2, 3, and 5. 



Vide page 20. 



