ILLUSTRATIONS 



Plate I. Lithophytum philippinensis sp. nov. X I. 

 II. Lithophytum rigidum sp. nov. X 1. 



TEXT FIGURES 



Fig. 1. Spicules from the stem cortex of Lithophytum philippinensis. 

 X 112.5. 



2. Spicules from the stem cortex of Lithophytum rigidum. X 112.5. 



3. A spindle from the canal wall of Lithophytum rigidum. X 47.3. 



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