STIGMARIA. FICOIDES AT CLAYTON, YORKSHIEE. 



377 



by Professor Williamson and removed to the Owens College, at 

 Manchester, to be mounted in a style worthy of its grandeur *. 



ft. in. 



Height of stump 3 9 



Diameter of stump (longest axis) 4 6 



„ ,, (at right angles to longest axis)... 3 10 



Eoot 

 No. 



Diameter 



close 

 to stump. 



Distance from 



stump to 



bifurcation 



of roots. 



Distance from point of 



bifurcation to 



present termination 



of root. 



Greatest 



length of 



root. 



Eight fork. 



Left fork. 



1. 

 2. 



3. 

 4. 



5. 

 6. 



7. 

 8. 



in. 



21 



17-1 



16 



16 



17i 

 18 

 17 

 17 



ft. in. 

 4 



4 



5 



4 

 7 



5 6 

 7 6 

 7 



ft. in. 

 9 6 



8 

 7 



2 

 1 6 



3 

 3 



9 6 



ft. in. 

 13 



6 6 

 4 

 4 6 



3 



4 6 

 2 



7 



ft. in. 

 17 

 12 

 12 

 8 6 

 10 

 10 

 10 6 

 16 6 



In the adjoining quarry, about a hundred yards distant from the 

 second example, but upon the same geological horizon, was exposed 

 last autumn a third fine specimen, details of which are here given : — 







Distance from 



Distance from point of 

 bifurcation to 





Eoot 



No 



Diameter 



close 



stump to 

 bifurcation 



present termination 

 of root. 



Greatest 

 length of 





to stump. 



of roots. 





root. 



Eight fork. 



Left fork. 





in. 



ft. in. 



ft. in. 



ft. in. 



ft. in. 



1. 



20 



6 



2 3 



2 6 



8 6 



2. 



20i 



7 6 



1 9 



2 6 



10 



3. 



19 



7 6 



6 



8 6 



16 



4. 



171 



8 



7 6 



7 6 



15 6 



5. 



20 



7 



3 



3 



10 



6. 



18 



7 



4 19 



11 



7. 



20 



7 



not b ared. 



7 



8. 



20i 



part bared. 



ditto. 



5 6 



■* A photograph of this specimen was reproduced by Prof. Williamson in 

 his Monograph on Stigmaria ficoides (Palaeont. Soc. vol. for the year 1886). 



