no. 3
burgess shale fossils—walcott
39
Plate 4
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Canadia spinosa Walcott | 4 | ||
Fig. | 1. | (✕ 1.5.) Specimen having an unusually straight position, with all the spines turned backward and thus crowded together. | |
2, 3. | Natural size and enlarged (✕ 3) views of a fine complete individual. The enlarged picture has been retouched. |
Plate 5
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Canadia spinosa Walcott | 4 | ||
Figs. | 1, 2. | Natural size and enlarged (✕ 4) photographs. The larger one has been retouched. |
Plate 6
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Canadia spinosa Walcott | 4 | ||
Fig. | 1. | (✕ 2.) Photograph of a well preserved specimen. | |
2. | (✕ 2.) Unretouched illustration of another specimen whose specific identity Doctor Walcott doubted somewhat. | ||
Canadia sparsa Walcott | 5 | ||
Fig. | 3. | (✕ 2.) Unretouched photograph of this peculiar worm. | |
Canadia irregularis Walcott | 5 | ||
Fig. | 4. | Small, somewhat broken specimen. (See pl. 9, fig. 3, for enlargement.) | |
5. | (✕ 2.) An unretouched photograph of the lectotype. | ||
6. | (✕ 2.) Coiled specimen doubtfully referable to the species. |
Plate 7
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Canadia setigera Walcott | 5 | ||
Fig. | 1. | (✕ 2.) Unretouched photograph of a rather complete curled specimen. | |
4. | (✕ 2.) Unretouched photograph showing the attachment of the setae. | ||
Canadia dubia Walcott | 6 | ||
Fig. | 2. | (✕ 3.) A good illustration of this small form. | |
Canadia irregularis Walcott | 5 | ||
Fig. | 3. | (✕ 3.) Enlargement of specimen illustrated as fig. 4 on preceding plate. |