Variant spellings where it was not possible to determine the author's intent were kept as is. These include "erythrophthalmos" and "erythrophthalmus;" "Fantailed" and "Fan-tailed;" "Kinabalu" and "Kina Balu;" "MÉxico" and "Mexico;" "MÜller" and "Muller," which may or may not have been different people.

SFWC appears in the list of Locations and Collectors, but never appears again. And collector SCFC appears only in the body of the document. Perhaps these refer to the same person.

Punctuation irregularities in the specimen lists were not corrected, since they did not affect the readability.

Changed "Natuurliijke" to "Natuurlijke" on page 380: "Rijksmuseum Van Natuurlijke Historie."

Changed "capistratus" to "capistratum" in Table 1: "Pellorneum capistratum."

Changed "Linneaus" to "Linnaeus" on page 394: "Squatarola squatarola (Linnaeus)."

The "(sic)" in the entry for Trichastoma malaccense poliogenys on page 410 is in the original, and not added in transcription.

Changed "sub-montane" to "submontane" on page 413: "from submontane localities."

Changed "Darval" to "Darvel" on page 421: "farther south than Darvel Bay."

Changed "Symthies" to "Smythies" on page 424: "(cf. Smythies, 1960:445)."