. Echinodermata . Fig. 5. Diagrammatic view of the actinal surface of Benthodytes gi- gantea Verr., illustrating the arrangement of the tube-feet. The best preserved of the large specimens measured 298 mm. in length. Anterior breadth 84 mm., posterior breadth 61 mm. According to Verrill this species gene- rally attains a length of 250 to 300 mm., and a breadth of 75 mm. It may however be as much as 475 mm. long and 127 to 152 mm. broad. The very young specimens were 10—14 mm. long end 4—5 mm. broad.

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Keywords: ., bookcentury1900, bookdecade1920, booksubjectscienti, bookyear1921