Williams

12 public-domain plates in the archive

• Ceratopola sodalis 5 Apr 1911
• Quadrula metanevra 8 Aug 1974
• Fusconaia ebena 19 Aug 1974
• Pleurobema marshalli 14 Sep 1973
• Fusconaia flava 27 Jul 1974
• Aphetea bicolor
• Quadrula asperata 21 Aug 1974
• Epioblasma penita 14 Sep 1973
• Gomphus hybridus 16 May 1978
• Fusconaia ebena 14 Sep 1973
• Quadrula asperata 18 Aug 1974
• Notocera alata 5 Apr 1911