Her article in thepeerage is here. Her last name has one l.
Crinoline era fullness remained through the early 1870s, as did the use of flounces. Lady Trevelyan's dress even has pagoda-line sleeves.
Keywords: 1871, Archer - James, Caroline Philips, Lady Trevelyan, Philips family, Trevelyan family, straight coiffure, chignon, chemise, vee neckline, jacket bodice, square neckline, three quarter length full bottom flared sleeves, cuffs, lace, ruffles, full skirt, floral bodice ornament. necklace