This page has been validated.
32
SMITHSONIAN MISCELLANEOUS COLLECTIONS
VOL. 57
DESCRIPTION OF PLATE 3 | ||||
PAGE | ||||
Sidneyia inexpectans Walcott | 24 | |||
Fig. | 1. | A portion of a branchial leaf or lamella showing something of the structure. ✕ 3. U. S. National Museum, Catalogue No. 57486. | ||
2. | Enlargement (✕ 2) of the posterior segments of a specimen showing what appears to have been the contents of the alimentary canal. U. S. National Museum, Catalogue No. 57489. | |||
3. | Enlargement (✕ 2) of the caudal fin of the specimen represented by fig. 2, pl. 5. | |||
4. | Enlargement (✕ 2) of the caudal fin of the specimen represented by fig. 1, pl. 2. |