cover Living World 1999-2000 Living World 1999-2000
Table of Contents

Editorial  Elisha S. Tikasingh  p3

Original Papers
Rehabilitation of Abandoned Quarry Sites in Trinidad, W.I.  Paul Comeau  p4 
Abundance and Seasonal Migration of Birds at Port-of-Spain Sewage Ponds Graham White p20
Possible Intra-Regional Bird Migration in Trinidad and Tobago Richard ffrench p27
Comparative Abundance of Birds in Trinidad’s Northern Range Richard ffrench and Margaret ffrench p32
Christmas Bird Counts for the Years 1981-1990  Ian Lambie and Vishnu Debie p36
First Report of the Trinidad and Tobago Rare Bird Committee  Floyd Hayes and Graham White p39
Observations on the Reptiles and Mammals of Chacachacare, Bocas islands, with Notes on Five Species New to the Island  Sarsha A. Lall and Floyd Hayes  p46
Skipper Butterflies (Hesperiidae) of Trinidad Part 10, Pyrginal Completed, Groups F and G Matthew J.W. Cock p49

Book Reviews
Amphibians and Reptiles of Trinidad and Tobago by John C. Murphy  Christopher K. Starr and Hans E.A. Boos  p72 

Tribute
Arthur M. Greenhall  Geoffrey Gomes and Victor C. Quesnel  p74