Fig. 1. Antipatlies dichotoma, Pallas. Portion of a vertical longitudinal 

 section, showing the position of the ovary, 



Fig. 2. Ajjhanipathes sarothamnoides, n. sp. Subhorizontal section of a 

 polyp, showing the spines penetrating the zooidal tissues, . 



Fig. 3. A'pliani'patlies sarothamnoides, n. sp. Transverse section of the 

 sheath of tissue which surrounds a spine, .... 



Fig. 4. Pteropathes fragilis, n. sp. Subhorizontal section of a polyp, showing 

 the convoluted stomodseum, ..... 



Fig. 5. Antipathes dichotoma, Pallas. Longitudinal section of the ectoderm 

 of a tentacle (borax-carmine preparation), .... 



Fig. 6. Antipathes dichotoma, Pallas. Section of the base of a polyp 

 (ccenenchyma), ....... 



Fig. 7. Cirripathes propinqua, n. sp. Section of two polyps aud two inter- 

 zooidal areas, showing the interzooidal septa in transverse 

 section, ........ 



x 



Diam. 

 75 



65 

 300 



75 

 400 

 400 



37 



