THE CASTLE OF SPINES What the Microscope Reveals about the Sea Urchin.
This clip is not available for streaming at this time. Please contact WPA.	Tape Master:	6744
	Catalog #:	430130
	Clip Number:	430130-1
	Orginal Film:	EP 149
	Timecode:	01:35:25 - 01:39:09
	Location:	United Kingdom
	Year Shot:	1930 (Actual Year)
	Audio:	No
	Color:	No
	Headings:	ANIMALS/INVERTEBRATE, MARINE: Echinoderm, Sea Urchins LOCATIONS/EUROPE: UK SCIENCE: Biology SPECIAL EFFECTS: Microphotography
	Description:	Some film damage. "The Castle of Spines: What the Microscope Reveals about the Sea Urchin." Waves splashing on rocks. CU sea urchin in crack between rocks; hand picks it up. ECU sea urchin. Magnified view of sea urchin rotating under microscope. Microscopic extremely magified view of one single spine from sea urchin. Base of spine, w/ spine moving around easily ("on the ball and socket principle" says title. ECU tweezers poking at sea urchin pincers. More magnified shots of sea urchin mouth. Shell w/o spikes. Magnified view of same.

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