An Introduction to Entomology: Vol. III (of 4) (Illustrated)

The publication of the concluding volumes of the ""Introduction to Entomology"" has been unavoidably delayed by the continued ill health of one of the Authors, which has devolved upon the other a considerable increase of labour, and demanded a greater expenditure of time than would otherwise have been required: for though Mr. Spence put every facility in Mr. Kirby's power, and had drawn up a rough copy of every Letter belonging to his department; yet, as most of them had been written severa...