196] 



The Classification of Lower Organisms 



'^^' 







0- 



f 



*lty 



-S^'^v"^ 



^-'v-^if**^^^^ 



^^ 













>o, 



::Q)t^^a 



^/-T 



Fig. 38. — Radiolaria: a, motile cells of Collosphaera Huxleyi after Brandt ( 1885). 

 b. Skeleton of Haliomma capillaris after Haeckel ( 1862) . c, Skeleton of Actinomma 

 Asteracanthion after Haeckel (1862). d. Skeleton of //f/zorfz,?cu5 P/zaco^wcu^ after 

 Haeckel (1887). Acantharia: e, Skeleton of Dorataspis costata after Haeckel 

 (1387). Monopylaria: f, Central capsule of Tridictyopus elegans after R. Hertwig 

 f 1879) . g, Skeleton of Lithocircus productus after R. Hertwig, op. cit. h. Skeleton 

 of Eucyrtidium carinatum after Haeckel (1862). Phaeosphaerl^: i. Typical cen- 

 tral capsule after R. Hertwig, op. cit. 



