,37 Guppy Reprint 179 



1905 — Cunningham-Craig, Geol. Structure of Trinidad. 



1906 — Cunningham-Craig, Oilfields of Trinidad, Proc. Colonial 



Institute. 



1907 — Harrison, Coral Rocks of Barbados, Journ. Geol. Soc, 



Vol. LXIII. 



8 — Guppy, Fossils from Comparo, Bui. Bot. Dept. Trinidad. 



8 — " Cement Materials " 



8 — Ellis, Trinidad and Barbados, Proc. Roy. Soc. Canada. 



8 — Raspass, Manjak, Proc. Inst. Mining Engineers. 



9 — Guppy, Geol. Connexions of Caribean Region Trans. Can. 



Inst. Vol. VIII. 

 9 — Guppy, Manjak Mine, Bui. Agr. Dep. Trinidad, 

 g — " Tamana Fossils Idem. 

 9 — Toula, Tertiary Fauna of Gatun, Jahrbuch der Geol. 



Pveichsanstalt, Wien. 

 10 — Rust, Petroleum, Victoria Inst. , Trinidad. 



10 — Guppy, Springvale Fossils, Proc. Agr. Soc. Trinidad. 



11 — " Idem Part II. Idem. 

 11 — " Antigua &c. Journal Geol. Soc. 



Observations on West Indian Geology By Dr. Francis 



Watts, C.M.G. 



In the course of the discussion which followed the reading 

 of Mr. Guppy' s x>aper, Dr. Watts expressed the great pleasure 

 that it had been to him to listen to Mr. Guppy 's address and he 

 recognized with satisfaction the importance which the Author at- 

 tached to an understanding of the geolog}^ of Antigua, as throw- 

 ing light on the geology of the West Indies generally. 



Some confusion existed in the minds of the early observers 

 with regard to the nature of the so-called volcanic hills in the 

 southern and western part of the island : these were described by 

 most of the writers including Nugent, Purves and Spencer, as 



Page 36 



truly volcanic ; but careful observation convinced the speaker 

 that the rocks composing these hills were really uniform with 

 those of the Central Plain and immediately underlying the lime- 



