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Smithsonian miscellaneous collections . ^^fWj. CAMBRIAN TRILOBITES NO. 3 CAMBRIAN TRILOBITES 239 PAGE Millardia optata (Hall) 165 Figs. 4, 4a, 4b. (X4-) Top, side, and front view of a small entire cranidium. U. S. National Museum, Catalogue No. 61626. 4c. (X2.) Free cheek associated with the specimen represented by fig. 4. U. S. National Museum, Catalogue No. 61627. 4d, 46, 4/. (X4-) Top, side, and front views of a small entire cranidium. U. S. National Museum, Catalogue No. 61628. The specimens represented by figs. 4, 4a-/ are from locality 79c, Eau Claire formation, near Hudson, St. Croix Co
Smithsonian miscellaneous collections . ^^fWj. CAMBRIAN TRILOBITES NO. 3 CAMBRIAN TRILOBITES 239 PAGE Millardia optata (Hall) 165 Figs. 4, 4a, 4b. (X4-) Top, side, and front view of a small entire cranidium. U. S. National Museum, Catalogue No. 61626. 4c. (X2.) Free cheek associated with the specimen represented by fig. 4. U. S. National Museum, Catalogue No. 61627. 4d, 46, 4/. (X4-) Top, side, and front views of a small entire cranidium. U. S. National Museum, Catalogue No. 61628. The specimens represented by figs. 4, 4a-/ are from locality 79c, Eau Claire formation, near Hudson, St. Croix County, Wisconsin. Millardia avitas Walcott 165 Figs. 5, 50, 56. (X 4-) Top view of type specimen of cranidium, withoutline of front and side views. U. S. National Museum,Catalogue No. (Natural size.) This is the same specimen as that representedby fig. 5-The specimen represented by figs. 5, 5a-c is from locality 107k,Upper Cambrian: Butifalo Run limestone, 2 miles north of BenorePost Office, Center County, Pennsylvania. 240 SMITHSON
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Keywords: ., bookcentury1800, bookdecade1860, bookidsmiths, booksubjectscience