title: On Das Gupta's 'Birth function in a two-sex model'.
abstract: Abstract   I have read with great interest Das Gupta's(1) critique of my approach(2) towards the development of a two sex-model. To set the records straight, I must state that his criticisms are not well founded due to the following reasons:
authors.forename: S
authors.initials: S
authors.lastname: Mitra