Plate XXXII. 



Fig. 120. Thuiaria alba. 



A. Natural size. 



B. Portion of branch showing hydrot heoae. 



C. Gonangia. 



Fig. 121. Thuiaria argentea. 



A. Natural size. 



B. Portion of branch showing hydrothecae. 



C. Gonophoies. 



Fig. 122. Thuiaria dalli. 



A. Natural size. 



B. Portion of stem showing origin of branches. 



C. Portion of branch showing hydrothecse. 



D. Gonangia. 



Fig. 123. Thuiaria distans. 



A. Natural size. 



B. Portion of branch showing hychothecse. 



