BULL. GEOL. SOC. AM. 



VOL. 1?, 1905, PL. 11 



Figure 1. — Upper Surface of a Group of Specimens of Cryptozoan frequens (n. sp.) on a Block of Siyeh Limestone. 



Bailey Willis 



Figure 2.— Side View of Block represented in Figure 1, showing Method of Growth of Cryptozoan frequent 



Bailey Willis 



SPECIMENS OF CRYPTOZOAN FREQUENS 



