3*7 
Guppy Reprint 
179 
1905 — Cunningham-Craig, Geol. Structure of Trinidad. 
1906 — Cunninghain-Craig, Oilfields of Trinidad, Proc. Colonial 
Institute. 
1907 — Harrison, Coral Rocks of Barbados, Journ. Geol. Soc., 
Vol. LXIII. 
8 — Gupp}’, Fossils from Comparo, Bui. Bot. Dept. Trinidad. 
8 — “ Cement Materials “ “ 
8 — Ellis, Trinidad and Barbados, Proc. Roy. Soc. Canada. 
8 — Ra.spass, Manjak, Proc. Inst. Mining Engineers. 
9 — Gupp3% Geol. Connexions of Caribean Region Trans. Can. 
Inst. Vol. VIII. 
9 — Guppy, Manjak Mine, Bui. Agr. Dep. Trinidad. 
9 — “ Tamana Fossils Idem. 
9 — Toula, Tertiary' Fauna of Gatun, Jahrbuch der Geol. 
Reichsanstalt, Wien. 
10 — Rust, Petroleum, Victoria lust., Trinidad. 
10 — Gupp3’, Springvale Fossils, Proc. Agr. Soc. Trinidad. 
11 — “ Idem Part II. Idem. 
II — “ 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. Guppjds paper. 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 geologj" of Antigua, as throw- 
ing light on the geology of the West Indies generally. 
Some confusion existed in the minds of the early observ'ers 
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, Purv^es and Spencer, as 
Page 36 
truly volcanic ; but careful observation convinced the speaker 
that the rocks compo.sing these hills were really uniform with 
those of the Central Plain and immediately underlying the lime- 
