Joseph T. Singewald

66 public-domain plates in the archive

• Arca (Noetia) cholana Spieker 1917
• NSF ADBC EPICC TCN 1917
• Phos latirugatus Spieker 1917
• NSF ADBC EPICC TCN 1917
• Conus bravoi Spieker 1917
• Cerithium infranodatum Spieker 1917
• NSF ADBC EPICC TCN 1925
• NSF ADBC EPICC TCN 1925
• NSF ADBC EPICC TCN 1925
• Cerithium grillanum Spieker 1917
• Potamides ormei var. infraliratus Spieker 1917
• NSF ADBC EPICC TCN 1925
• NSF ADBC EPICC TCN 1925
• NSF ADBC EPICC TCN 1925
• NSF ADBC EPICC TCN 1925
• Conus bocapanensis Spieker 1917
• Cerithium grillanum Spieker 1917
• NSF ADBC EPICC TCN 1925
• NSF ADBC EPICC TCN 1925
• NSF ADBC EPICC TCN 1925
• NSF ADBC EPICC TCN 1925
• NSF ADBC EPICC TCN 1925
• NSF ADBC EPICC TCN 1925
• NSF ADBC EPICC TCN 1925
• NSF ADBC EPICC TCN 1925
• NSF ADBC EPICC TCN 1925
• NSF ADBC EPICC TCN 1925
• NSF ADBC EPICC TCN 1925
• Cerithium grillanum Spieker 1917
• NSF ADBC EPICC TCN 1925
• NSF ADBC EPICC TCN 1925
• NSF ADBC EPICC TCN 1925
• NSF ADBC EPICC TCN 1925
• NSF ADBC EPICC TCN 1925
• NSF ADBC EPICC TCN 1925
• NSF ADBC EPICC TCN 1925
• NSF ADBC EPICC TCN 1925
• NSF ADBC EPICC TCN 1925
• NSF ADBC EPICC TCN 1925
• NSF ADBC EPICC TCN 1925
• NSF ADBC EPICC TCN 1925
• NSF ADBC EPICC TCN 1925
• NSF ADBC EPICC TCN 1925
• NSF ADBC EPICC TCN 1925
• NSF ADBC EPICC TCN 1925
• NSF ADBC EPICC TCN 1925
• NSF ADBC EPICC TCN 1925
• NSF ADBC EPICC TCN 1925
• NSF ADBC EPICC TCN 1925
• NSF ADBC EPICC TCN 1925
• NSF ADBC EPICC TCN 1925
• NSF ADBC EPICC TCN 1925
• NSF ADBC EPICC TCN 1925
• NSF ADBC EPICC TCN 1925
• NSF ADBC EPICC TCN 1925
• NSF ADBC EPICC TCN 1925
• NSF ADBC EPICC TCN 1925
• NSF ADBC EPICC TCN 1925
• NSF ADBC EPICC TCN 1925
• NSF ADBC EPICC TCN 1925
• NSF ADBC EPICC TCN 1925
• NSF ADBC EPICC TCN 1925
• NSF ADBC EPICC TCN 1925
• Turritella infracarinata var. zorritensis Spieker 1917
• Polynices porcana Spieker 1917
• Cypraea angustirima Spieker, 1922 1917