. Smithsonian miscellaneous collections . Figs. 5 and 6. (X 4-) Two views of a fragment of a conch preservinga portion of the living chamber and a number of the suturesseparating the septa. U. S. Nat. Mus., Cat. No. 69803. 7, 7a- (X 4-) A fragment of a conch preserving a portion of the living chamber, a few septa, and at the end one of thecamera with a section of the siphuncle. U. S. Nat. Mus.,Cat. No. 69804. 8. (X4-) Ventral side of a broken conch preserving the living chamber, septa and sutures; the siphuncle shows fairly S. Nat. Mus., Cat. No. ; 9o- (X4-) A finely dissecte
. Smithsonian miscellaneous collections . Figs. 5 and 6. (X 4-) Two views of a fragment of a conch preservinga portion of the living chamber and a number of the suturesseparating the septa. U. S. Nat. Mus., Cat. No. 69803. 7, 7a- (X 4-) A fragment of a conch preserving a portion of the living chamber, a few septa, and at the end one of thecamera with a section of the siphuncle. U. S. Nat. Mus.,Cat. No. 69804. 8. (X4-) Ventral side of a broken conch preserving the living chamber, septa and sutures; the siphuncle shows fairly S. Nat. Mus., Cat. No. ; 9o- (X4-) A finely dissected specimen of the septate middlesection of a conch showing the septa of the siphuncle withslightly elevated margin on the sutures, the camerse, andsutures. Fig. ga illustrates the position of the S. Nat. Mus., Cat. No. 69806. The specimens represented by figs. 5-90 are from locality 6iq,Ozarkian: Chushina formation, Billings Butte, Mount RobsonDistrict, B. C, Can. SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 67, NO. 9, PL. 126. OZOMIA-ENDOCERAS-ELLESMEROCERAS. Jp SMITHSONIAN INSTITUTION LIBRARIES
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