. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. a. b. 4a. Posterior postabdominal spine directed posterioventrally and markedly larger tlian the anterior; anterior margin of posteriormost abdominal keel scale slants markedly forward; standard length less than times body depth; pair of enlarged canine teeth present in lower jaw; subcaudal spines present A. aculeatus (p. 48). h. Both postabdominal spines of about equal length and size; anterior margin of posterior- most abdominal keel scale almost vertical; SL greater tlian times body depth; pair of enlarged
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. a. b. 4a. Posterior postabdominal spine directed posterioventrally and markedly larger tlian the anterior; anterior margin of posteriormost abdominal keel scale slants markedly forward; standard length less than times body depth; pair of enlarged canine teeth present in lower jaw; subcaudal spines present A. aculeatus (p. 48). h. Both postabdominal spines of about equal length and size; anterior margin of posterior- most abdominal keel scale almost vertical; SL greater tlian times body depth; pair of enlarged canines may or may not be present in lower jaw; subcaudal spines may or may not be present 5. 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
