1894-95] 2 33 



VII. — Feb. 23. — The Reptilian Empire. — Jurassic Period. 

 — Increase of ordinary Shell-Fish. Triumph of the Reptiles. 

 First appearance of a Bird. 



VIII. — Mar. 2. — The Bays and Gulfs of County Antrim. 

 — Cretaceous Period. — Sea-Urchins and Oysters. Last struggles 

 of the Ammonites. Decline and fall of the Reptilian Empire. 

 Appearance of modern Vegetation. 



IX. — Mar. 9. — A Journey from London to Paris. — Eocene 

 and Oligocene Periods. — Lamellibranchs and Gasteropods. 

 Great development of the Mammals. (Field excursion to 

 Rhaetic, Liassic, and Cretaceous beds at Larne.) 



X. — Mar. 16. — The Making of the Alps and Appenines. — 

 Miocene and Pliocene Periods. — Forms approaching those of 

 the present day. Gigantic Mammals of Greece. Early Man 

 and his companions on the earth. Shortness of our human 

 history. 



PETROGRAPHY. 



1. Determination of rock-forming minerals: — Streak, cleavage, 

 hardness, specific gravity, and acid tests. 



2. Forms of crystals. Examination of the six systems of 

 Crystallography. 



3. Forms of crystals continued. Use of thin sections. 



4. Some optical characters of rock-forming minerals. 



5 and 6. Structures and characters of rocks. Sedimentary 

 rocks. 



7 and 8. Igneous rocks. Classification and recognition. 



9. Igneous and metamorphic rocks. 



We cannot close this report without referring to the exhaus- 

 tive analysis of glauconite from the upper greensand of Wood- 

 burn, carried out by A. Percy Hoskins, and the interesting paper 

 on the co-called " Hullite" of Carnmoney, contributed by Prof. 

 Cole. Reports of both these papers are printed in the Club's 

 Proceedings. 



The thanks of the Committee are due to Prof. Cole and 



