File:Bulletin of the Museum of Comparative Zoology at Harvard College (1863) (14777332824).jpg

Identifier: bulletinofmuseu17harv (find matches)
Title: Bulletin of the Museum of Comparative Zoology at Harvard College
Year: 1863 (1860s)
Authors: Harvard University. Museum of Comparative Zoology
Subjects: Zoology Zoology
Publisher: Cambridge, Mass. : The Museum
Contributing Library: Gerstein - University of Toronto
Digitizing Sponsor: University of Toronto

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arfish, showing the body plates between the ring of geni-tals and the dorsocentral. View from the abactinal region. The radial lines arefrom dl to dc. Fig. 4. Much older starfish, showing the network of plates which compose theabactinal surface of the body. These plates are from a starfish almost an inch indiameter (from tip of one arm to another). 56 BULLETIN OF THE MUSEUM OF COMPARATIVE ZOOLOGY. Fig. 5. Enlarged view of the interbrachial region of a young starfish. Theodontophore, H>, appears as a heart-shaped plate in the angle of the raj. Actinalview. Same age as Plate II. Fig. 1. Fig. 6. The same, somewhat older. Actinal view. Fig. 7. Still older view of the same. Fig. 8. View of an older stage, in which a second interbrachial, iV1, has formed. The shaded plates of Figs. 5, 6, 7, and 8 are oral ambulacrals and ambulacralrafters. The two crescentic plates, unshaded, in the upper part of Fig. 5, arethe edges of the terminals, not marginals, m, of Figs. 6, 7, and 8. FEWK) ! RIAS.
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