The Seventh Sister — Paula Tanner Girard

IMPROPER PURSUITS...
The youngest so seven girls, all of whom need to be wed, red-haired, freckle-faced Lady Margaret can't be proper. Her sisters shop, primp, and search for husbands. But Maggie studies, dreams, and hunts for butterflies beetles, and six legged beasts! Her interests in entomology are sure to put her elder brother can convince an old friend to help.

...MAY LEAD TO A SCANDAL!
Captain Bixworth Hawksby is aghast. The proud beau of the lovely actress called Miss Diving, he is suddenly obliged to escort a chit who loves...bugs! He isn't prepared for wriggly creatures in his pockets -- of for Maggie's charms. Her figure is heavenly. Her eyes are sparkling. And Miss Divine is jealous! Soon intrigue and trouble are brewing, and Maggie is planning a shocking act...one that may land a gentleman in her net, or in her arms...