53 



15 



17 



Nicholson, Dr. 

 H. A. 



l6 HOPKINSON, J. 



HOPKINSON, J., 



and Lapworth, 

 C. 



i8 Ward, J. C. 



19 Lapworth, C. 



1872 

 A Monograph of the British Graptolitidse. 

 wood and Sons, Edinburgh and London. 



Black- 



1873 

 On some GraptoHtes of the Upper Arenig Rocks of 

 Ramsey Island, St. Davids. (Comparison with 

 GraptoUtes of the Skiddaw Slates.) Geol. Mag., 

 vol. ID, p. 519. 



187s 

 Description of the Graptolites of the Arenig and 

 Llandeilo Rocks of St. Davids. Quart, yourn, 

 Geol. Soc, vol. 31, p. 631, 



1876 

 Fossils of the Skiddaw Slate. Geol. of the N. PartoJ 



the Eng. Lake Dist., p. 105. 

 The Geological Distribution of the Rhabdophora. 



Ann, Nat. Hist., Ser. 5, vol. 3. 



1880 



On New British Graptolites. Ann. Nat. Hist., 

 Febmary. 



21 HOPKINSON, J. ... On some Points in the Morphology of the Rhabdo- 

 phora. Rep. Brit. Assoc, Sections, p. 649. 



1882 



22 Morphology of the Rabdophora. Ann. Nat. Hist., 



January. 



I feel it to be my duty to acknowledge with gratitude the kind 

 assistance I have received from Mr. W. Kinsey Dover, in the 

 prosecution of my palseontological studies, and the generous 

 freedom with which he has thrown open to me both his Hbrary 

 and his unrivalled collection of Skiddaw Slate Fossils. I must 

 also add that valuable service has been rendered to the cause of 

 science by the labours of Messrs. C. Christopherson and P. 

 Harrison, of Keswick, who for many years have been industrious 

 collectors of fossils. 



