Chemisette
A Chemisette is an accessory that imitates an chemise (shirt). Chemisette worn to fill in the front and neckline of any garment.
Spoon bonnet
The Spoon bonnet is a headgear, between a house bonnet and a hat. Bonnets were popular during the first half of the 19th century, but practicality fell out of fashion by the 1850s.