Cambaridae

Cambarus medius Fax. Male, form I. Irondale, Mo..

Cambarus Mississippiensis Fax. Male, form I. Eastern Mississippi.

Cambarus Palmeri Fax. Male, form II. Obion Co., Tenn..

Blind Crayfish of the Mammoth Cave of Kentucky, Cambarus pellucides.

Cambarus pubescens Fax. Male, form II. McBean Creek, Ga..

Cambarus Putmami Fax. Male, form I. Grayson Springs, Ky..

Cambarus Shufeltii Fax. Female. New Orleans, La.. First abdominal appendages of male; (2) Cambarus Blandingii Erichs. Trenton, N.J., Form 1-2

Cambarus Sloanii Bundt. Male, form I. New Albany, Ind..

Cambarus spiculifer Hag. Male, form I. Athens, Ga..

Cambarus validus Faxon. Male, form I.. Type. Huntsville, Ala..

Cambarus vine-viridis Faxon. Male, form I. St. Francis R., Greenway, Ark., Aug., 1894. 2. Epistoma of the same; 3. Antennal scale of the same

freshwater crayfish