Discovery reports (1929) Discovery reports discoveryreports21931inst Year: 1929 HEXELASMA 353 The opercular valves agree with the type-description. Figures are given here for comparison. .Ad) .(g) Fig. II. Hexelasma corolliforme. a. Lateral view (carino-rostral diameter lo mm.), b. Left tergum. c. Left scutum, d. Carina, internal view. e. Carino-lateral compartment, internal view. /. Lateral compart- ment, internal view. g. 'Rostrum', internal view.

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