Carpenter, William Benjamin, 1813-1885, Dallinger, W. H. (William Henry), 1842-1909 · Philadelphia, Blakiston · leaf 832
he range of variationthat is compatible with conformity to a general plan of structure.As in other forms of Haeckels group of Discida, there is in thisskeleton a combination of radial and of circumferential parts, the RADIOLARIA 775 former consisting of solid spoke-like rods, whilst the latter is… … Fig. 590.—Varietal modifications of Astromma. the form of a cross with equal arms ; whilst in F and G it still showsitself very conspicuously, though the spaces between the rays are ingreat part filled up by the circumferential network. Tn the five-rayed•specimens A and B, on the other hand, the…
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