Contents of Volume 7, Number 3 July 1999

Boundedness Properties for Functional Differential Equations on Fading Memory Spaces
R.H. HERING
Pages 251 - 280

Positive Solutions of Certain Difference Equations
I.-G.E. KORDONIS AND CH.G. PHILOS
Pages 281 - 304

Bioeconomic Modelling of Selective Harvesting in an Inshore-Offshore Fishery
T. PRADHAN AND K.S. CHAUDHURI
Pages 305 - 320

Triple Positive Symmetric Solutions for a Lidstone Boundary Value Problem
JOHN M. DAVIS AND JOHNNY HENDERSON
Pages 321 - 330

Abstract Partial Functional Differential Equations of Neutral Type: Basic Theory
YUMING CHEN
Pages 331 - 348

On the Lyapunov exponent of Certain $SL(2,\R)$ - valued Cocycles
R. FABBRI AND R. JOHNSON
Pages 349