Illustrations of Exotic Entomology, Volume 2 — Key Ideas to Explore

A Publisher's Candid Preface

Drury's preface offers a rare glimpse into the economics of eighteenth-century natural history publishing. He writes that he needed 'some proof of the public approbation, before I ventured rashly to engage further in so considerable an expense.' The success of the first volume—measured by sales—directly enabled the second. This transparency about financial risk is unusual in scientific prefaces of the period.

Yet Drury also frames his work as a moral and intellectual endeavor, aiming to 'gratify a laudable curiosity' and induce contemplation of 'the admirable works of Providence.' The preface thus reveals a tension between commerce and piety that shaped many natural history projects. Readers encountering the volume for the first time may find this opening a useful key to understanding the author's dual motivations.

Structure of a Species Entry

Each species description follows a predictable pattern, making the volume easy to navigate. The entry for Deilephila nessus (Plate XXVII) exemplifies this: a Latin diagnosis, a list of synonyms (including references to Cramer and Fabricius), a habitat note ('Madras'), and then a detailed English description divided into 'Upper Side' and 'Under Side.' Colors are specified with precision—'ash-coloured,' 'golden yellow,' 'cream-coloured'—reflecting the importance of accurate hand-coloring in the plates.

The descriptions are purely morphological, with no speculation about behavior or ecology. However, some entries, like that of Glaucopis coarctata, include a question mark after the section heading ('Crepuscularia?'), indicating taxonomic uncertainty. This honesty about gaps in knowledge is a hallmark of the work's scientific integrity.

Natural History Details in the Descriptions

Although most entries are limited to physical description, a few include observations on life history. The account of Sphinx prini (not in the excerpt but referenced) notes that its caterpillar feeds on 'evergreen winter-berry' and describes its color: 'pale green, with six lateral oblique pink lines.' The text also records the duration of the pupal stage—one individual emerged after 33 days, another after eight months—and mentions parasitism by a small ichneumon wasp.

These details are attributed to the naturalist Abbot, whose field observations supplement Drury's own. The inclusion of such data, though sporadic, enriches the volume beyond a mere catalog of specimens. It connects the preserved insects to living organisms with specific behaviors and ecological relationships.

Geographic and Taxonomic Range

The volume covers insects from diverse regions, including Madras, the Bay of Honduras, and 'America meridionali.' This geographic breadth reflects the global reach of colonial natural history. The taxonomic range is also wide: the excerpt includes a sphingid moth (Deilephila nessus) and a possible aegeriid (Glaucopis coarctata), illustrating the editors' attempt to classify within the Linnaean system.

Westwood's updates add synonyms and references to contemporary works, such as Fabricius's Entomologia Systematica. The result is a text that functions both as a standalone reference and as a bridge to the broader entomological literature of the early nineteenth century. Readers interested in the history of classification will find these layers of citation revealing.

This volume rewards a sequential reading: start with the preface to understand Drury's aims, then examine a few entries in detail to grasp the descriptive conventions. Pay attention to the footnoted synonyms and habitat notes, which connect the work to a wider network of collectors and taxonomists. The plates, though not reproduced here, are essential companions—the text was designed to be read alongside them. For a fuller picture, consult Volumes I and III of the series, also available from Project Gutenberg.

That rainy afternoon, Drury’s hand-colored plates made me linger on each wing’s faint geography—Madras, Honduras—until I noticed how the British species in Butterflies and Moths (British) — Text and Context carried the same quiet exactness, though closer to home. The rain softened, and I simply turned pages, comparing one stranger’s catalogue to another’s.