Page:Walcott Cambrian Geology and Paleontology II.djvu/166

DESCRIPTION OF PLATE 16
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Coosia superba Walcott				94
	Fig.	1.	The type specimen of the species and genus, a nearly entire dorsal shield with the exception of the free cheeks of the cephalon. Natural size. U. S. National Museum, Catalogue No. 57589.
		1a.	Side view of the specimen represented by Fig. 1. Natural size.
Coosia robusta Walcott				97
	Fig.	2.	Dorsal view of the type specimen, a cranidium. Natural size. U. S. National Museum, Catalogue No. 57590.
		2a.	Pygidia associated with the specimen represented by Fig. 2. ✕ 2. U. S. National Museum, Catalogue No. 57591.
Asaphiscus iddingsi Walcott				99
	Fig.	3.	A dorsal shield flattened in argillaceous shale. ✕ 2. U. S. National Museum, Catalogue No. 57586.
Bathyuriscus manchuriensis Walcott				97
	Fig.	4.	Fragment of shale with flattened cranidia and pygidia. ✕ 3. U. S. National Museum, Catalogue No. 57587.
Solenopleura chalcon Walcott				83
	Fig.	5.	Dorsal view of cranidium. ✕ 4. U. S. National Museum, Catalogue No. 57588.