VI. 
Occasional Notes. — 
Minerals from California 
Change of Plumage in Birds 
Fossilised Conch Shells 
Colour Protection. . 
The Rice Industry on the North Coast, Essequeb 
Prof. Leidy and Parasites 
Haiari Poison 
A New Spiny Rat from Demerara 
Gold Mining in California 
A Mimetic Caterpillar 
Identification of Guiana Timber Trees . . 
Snake Poison 
Polymorphic Orchids 
Cocoanut as a Vermifuge 
A Cosmopolitan Guiana Bird 
Recent Local Literature 
In Memoriam — William Russell. . 
Revd. John Foreman 
Robert Wight Imlach 
Popular Science Lectures 
176 
177 
179 
181 
183 
379 
381 
382 
383 
385 
386 
387 
39 1 
39 1 
39 2 
393 
185 
395 
395 
155-434 
Report of Society's Meetings, January to December 
1888 186-396 
S *HtiTttf^ 
