262 Presents. [Jan. 10, 



zeal and the intelligence with which their part of the work has been 

 performed. I must also specially thank Mr. Fowler for his collabora- 

 tion in the preparation of the paper itself, and for supervising in part 

 the work of the other assistants. 



In connexion with the diagrams, I have to thank Sergeant Kearney, 

 R.E., for reducing the working drawings, and also for preparing the 

 lantern slides exhibited during the reading of this paper. 



Presents, January 10, 1889. 

 Transactions. 



Brussels : Academie Royale de Medecine. Bulletin. Tome IT. 



Nos. 5-10. 8vo. Bruxelles 1888. The Academy. 



Academie Royale des Sciences. Bulletin. Tome XV. Nos. 5-10. 



Svo. Bruxelles 1888. The Academy. 



Chapel Hill, N.C. : Elista Mitchell Scientific Society. Journal. 



1888. Part I. 8vo. Raleigh. The Society. 



Charleston : Elliott Society of Science and Art. Proceedings. 



July, 1887, to March, 1888. 8vo. [Charleston.] The Society. 

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The Academy. 

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Dresden : Verein fur Erdkunde. Festschrift zur Jubelfeier des 25- 



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Dublin : Royal Dublin Society. Scientific Proceedings. Vol. V. 



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4to. Dublin 1887-88. The Society. 



Royal Geological Society of Ireland. Journal. Vol. XVII. 



Part 2. Svo. Dublin 1887. The Society. 



Erlangen : Physikalisch-Medicinische Societat. Sitzungsberichte. 



October, 1886, to December, 1887. Svo. Erlangen 1887-88. 



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XXIII. Heft 2. Svo. Leipzig 1888. The Society. 



Konigl. Sachs. Gesells shaft der Wissenschaften. Abhandlungen. 



(Philol.-Histor. Classe.) Bd. XI. No. 1. Svo. Leipzig 1888; 



Abhandlungen (Math.-Phys. Classe.) Bd. XIV. No. 9. 8vo. 



Leipzig 1888. The Society. 



