138 measurements of G. scammoni Cope rule. Length straight notch to extremity of head = 4940 " " over back " " " " " = 5'000 Snout to eye = 5.30 " " " blowhole (aver front of head) = .690 " " " base of dorsal (posterior) = 2040 " " " ant. wrist " over side = 1560 " " " " pectoral " = 780 " " " corner of mouth = 400 Extremity of head to eye (straight) = 490 " " " " " ant. base dorsal = 1340 " " " " " post. " pectoral (over side) = 1170 Dist. from eye to ear (center) = 170 " " Eye above ear = 50 Length eye opening = 36 " " Ear " = 1 Eye above corner of mouth = 90 " " to " " " straight = 120 Post. wrist, first " " " = 720 Eye to center of blowhole = 500 Blowhole to post. wrist dorsal = 1480 Tip snout-jaw to ant. wrist, pectoral = 730 Girth of body at anus = 1770 " " " " insertion of pectoris = 610 " " " " ant. " " dorsal = 2540 " " " " " pectoralis = 2180 " " " " post " " dorsal = 2320 " " " head " eye = 2010 " " " " corner of mouth = 1900 Girth of fishes to anus = 1700