Thyrastylon, a new rudist genus from the Upper Cretaceous of Guatemala, The Antilles, and persia, with a discussion of the functions of rudist oscules and pillars.
1956. Palaeontographica Americana IV-27; pp. 31-48, 2 plts. h.t. Orig. extract, stapled, very good, uncut, 4to.
Molluscan record from a mid-Cretaceous borehole in Weston County, Wyoming.
1984. US Geol. Surv. prof. Pap. 1271; 24 pp. 1 fig. 5 plts. h.t. Orig. wrps. with libr. ticket taped to corner of front cover, otherwise very good, 4to.
Gastropod Mollusca from the Tertiary strata of the West.
1915. Reprint Bull. Amer. Mus. Nat. Hist. XXXIV-III; pp. 121-126, 4 fig. Orig. wrps. with small libr. ticket taped to corner of front cover, very good.
1912. Reprint Bull. Amer. Mus. Nat. Hist. XXXI-XX; pp. 229-234, 2 plts. h.t. Orig. wrps. with small libr. ticket taped to corner of front cover, very good.
1914. Reprint Bull. Amer. Mus. Nat. Hist. XXXIII-VI; pp. 101-107, 3 plts. h.t. Orig. wrps. with small libr. ticket taped to corner of front cover, very good.