Filices Britannicæ; an history of the British proper ferns. With plain and accurate descriptions, and new figures of all the species and varieties, ... By James Bolton - Bolton, James naturalist (Printed [by Thomas Wright] for John Binns, Leeds; and sold by B. White and Son, J. Johnson, and J. Wallis, London; J. and J. Merrill, Cambridge; J. Fletcher, Oxford; and the booksellers at Edinburgh, 1785)
A variant has 'Merrils' in the imprint - Published in two parts with continuous pagination, each part with a titlepage, half-title, introduction and indexes in Latin and English