![](http://www.alamy.com/thumbs/6/4FCC834B-A744-438A-8391-83D6F9C0857B/RGGD19.jpg)
. Bulletin of the British Museum (Natural History). EVOLUTIONARY TRENDS IN CAPITATE HYDROIDS AND MEDUSA: 533. ZOOL. 4, 9. 36. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original British Museum (Natural History). London : BM(NH)
Size: 1398px × 1788px
Photo credit: © Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., 1957, boo, bookauthorbritishmuseumnaturalhistory, bookcentury1900