Smithsonian miscellaneous collections . 14. Hook-bearing part 01 a hook-fiber of Turacus albocristaius, showing the spines of the hooks. Magnified 1:480 15. Hook-bearing part of a hook-fiber of Cuculns canorus, showing the spines on the Magnified 1:480 16 Proximal portion of a hook-fiber of Cypselus apiis, showing the cell boundaries and the swell-ing on the upper margin. Magnified 1:400 SMITHSONIAN MISCELLANEOUS COLLECTIONS. --> ^ 17. 18, 19. Surface views of the upper side of a hand remex of Cypselus (i/«j-,.focussed at three dif-ferent levels. Magnified 1:270 1
Smithsonian miscellaneous collections . 14. Hook-bearing part 01 a hook-fiber of Turacus albocristaius, showing the spines of the hooks. Magnified 1:480 15. Hook-bearing part of a hook-fiber of Cuculns canorus, showing the spines on the Magnified 1:480 16 Proximal portion of a hook-fiber of Cypselus apiis, showing the cell boundaries and the swell-ing on the upper margin. Magnified 1:400 SMITHSONIAN MISCELLANEOUS COLLECTIONS. --> ^ 17. 18, 19. Surface views of the upper side of a hand remex of Cypselus (i/«j-,.focussed at three dif-ferent levels. Magnified 1:270 17 Highest level showing the terminal threads of the hook-fibers 18. Middle level showing the proximal portions of the houk-fibers SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 48, PL. X
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Keywords: ., bookauthorsm, bookcentury1800, bookdecade1860, booksubjectscience
