. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. Figure 4. Baja orcgoni, ventral view of head to show dark nuu-ous pores, about X Lower left, section of tail from 8th to 16th thorns in mid row, from first dorsal fin, about x , same specimen as in Figure 1. Lower right, Raja laevis, section of tail from 3rd to 9th thorns in mid row, from first dorsal fin, about x , a male 118;" mm long from off Nantucket, Massa- Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - colo


. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. Figure 4. Baja orcgoni, ventral view of head to show dark nuu-ous pores, about X Lower left, section of tail from 8th to 16th thorns in mid row, from first dorsal fin, about x , same specimen as in Figure 1. Lower right, Raja laevis, section of tail from 3rd to 9th thorns in mid row, from first dorsal fin, about x , a male 118;" mm long from off Nantucket, Massa- 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 Harvard University. Museum of Comparative Zoology. Cambridge, Mass. : The Museum


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Keywords: ., bookauthorharvarduniversity, bookcentury1900, booksubjectzoology