44 ROYAL SOCIETY OF CANADA 
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Fig. 9.—Grantia Phiilipsii (page 30). Twice the natural size. 
Fig. 9a. Part of a horizontal section ; X 136. 
Fig. 9b. Gastral quadriradiate spicule ; X 272. 
Fig. 9c. Tubar triradiate spicule ; X 272. 
Figs. 9d-g. Dermal triradiate spicules ; X 272. 
Fig. 9h. Triradiate spicule of the stem; x 272. 
Fig. 91. Oxeote spicule ; X 272. 
Fig. 10.—Leucandra valida (page 32). Twice the natural size. 
Fig. 10a. Part of a horizontal section ; X 60. 
Figs. 10b-e. Triradiate spicules of the parenchyma; X 136. 

