SIHIONARIA. 



271 



hering to rocks between tide-marks; they have a widely- 

 extended geographical range, hut are most numerous in the 

 tropics; India, China, Australia, the Philippines, New 

 Zealand, and the Pacific furnish examples of the genus. 



Species of Sifihonaria. 



acuta, Quoy and Gaim. 

 albicans, Quoy and Gaim. 

 aspera, Krauss. 

 atra, Quoy and Gaim. 

 australis, Quoy and Gaim. 

 Capensis, Quoy and Gaim. 

 characteristics., Reeve. 

 Coreelisis, Adams and Reeve. 

 cornuta, Gould. 

 costata, Sow. 



denticulata, Quoy and Gaim. 

 Dienienensis, Quoy and 



Gaim. 

 exigua, Mart. 

 gigas, Sow. 



Guaraensis, Quoy and Gaim. 

 inculta, Gould. 

 Javanica, Lam. 

 Jonasii, Dkr. 

 lateralis, Gould. 

 lepida, Gould. 

 leviuscula, Soio. 

 Lessoui, Blainv. 

 lineolata, Sow. 



maura, Souk 

 melanozonias, Gmel. 

 Natalensis, Krauss. 

 normalis, Gould. 

 oculus, Krauss. 

 pica, Sow. 

 picta, D'Orb. 

 placentula, JSIke. 

 plana, Quoy and Gaim. 

 plicata, Quoy and Gaim. 

 punctata, Quoy and Gaim. 

 Sowerbyi, H. and A. Adams 



(radiata, Soiv.). 

 radians, H. and A. Adams 



(radiata, Adams and Reeve). 

 radiata, Blainv. 

 sipho, Sow. 

 striato-costata, Dkr. 

 striatula, Gmel. 

 subrugosa, Sow. 

 urubouata, Mke. 

 variabilis, Krauss. 

 viridis, Quoy and Gaim. 

 Zealaudica, Quoy and Gaim. 



