A letter written to Dr. N. F. Muir, Roanoke, Virginia, from T. N. Carswell, dated December 26, 1940. Carswell addresses "apparent misunderstandings" regarding account arrangements made by Dr. Gillespie with Dr. Muir for his work on bands and appliance adjustments on Peggy Anne.

From abstract: This report describes four species of Ostreidae from the Upper Cretaceous of the Gulf region. The zones that the species characterize lie either in the upper part of the Austin chalk or in beds of upper Austin age.

Revised edition. This bulletin discusses the cattle-fever tick and methods for controlling it. Possible methods include dipping, pasture rotation, and arsenical dips. The life history of the tick is also discussed and instructions for constructing a concrete vat are given.

A letter written to Mr. T. N. Carswell, Abilene, Texas, from Annie C. Whiteside, Registrar, Randolph-Macon Woman's College, Lynchburg, Virginia, dated, February 19, 1940. Whiteside acknowledges to Carswell the receipt of the application and reservation fee for his daughter's admission to Randolph-Macon advising that they will write regarding her credits after receipt of her high school transcript.

A letter written to Mr. T. N. Carswell, Abilene, Texas, from N. F. Muir, Orthodontist, Roanoke, Virginia, dated December 11, 1940. Muir advises that a statement sent to Carswell three months back with regard to dental work for his daughter has not been paid.