N. BIDENS. _N._

"Obsoletis" followed "duobus": the name had been written subsequent to

the description.

N. VIRGINEA. _N._ subedentula ovata lævis.

"Dentibus pluribus minutissimis" preceded "oris"; "Pet. Gaz. t. 11.

f. 3" was in the place of the delusive figure of d'Argenville: the

variety d was a subsequent addition.

N. POLITA. _N._ lævis, labiis dentatis.

The 1 in the synonym of Rumphius was a misprint for the written I.

N. PELERONTA. _N._ striata, labiis dentatis, interiore planiusculo

rugoso.

The erroneous synonym was added, along with the name peleronta, to the

written details: _N. rufa_ was the original appellation.

N. ALBICILLA. _N._ striata, labiis subdentatis, interiore tuberculato.

N. HISTRIO. _N._ sulcata, transversim striata, labio interiore dentato.

The name, and the synonym, were added by Linnæus to the written

details.

N. PLICATA. _N._ sulcata, labiis profunde dentatis, interiore

rotundato, exteriore utrinque dentibus acutis conicis.

The variety alluded to was a subsequent addition. The details of the

'Museum' had been quoted, in anticipation, for this species.

N. GROSSA. _N._ sulcata labiis dentatis, interiore convexo rugoso.

N. CHAMÆLEON. _N._ sulcata, labiis dentatis, interiore rugoso

tuberculato.

"Habitat in Banda", and "compositis" after "subtilissimis", are the

unprinted additions.

N. UNDATA. _N._ sulcata, labiis dentatis, interiore rugoso,

tuberculato.

The erroneous figure of Gualtieri was not cited when the description

was drawn up, but added to the details, along with "confluentibus.

Spira acuta prominens", when the present name was substituted for the

earlier _nebulata_.

N. EXUVIA. _N._ sulcata, labiis dentatis, interiore denticulato.

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