| OCR Text |
Show 1883.] MADREPORARIAN GENUS PHYMASTRAEA. 409 V. Description of a new Species. PHYMASTRAEA IRREGULARIS, sp. nov. The corallum has a small adherent base and a large irregularly hemispherical shape, the surface being gibbose here and there. The Fig. 1. Phymastrcea irregularis (corallum from above). Fig. 2. Phymastrcea irregularis (side view of a corallite). corallites are numerous, are small at the base, widen rapidly with height, and are very irregular in their outlines and dimensions ; each* is separated from its neighbours even at the calice by a narrow space which is crossed by slender junction-processes. The calices vary in size and shape and are rather deep ; they are angular in outline |
