INDEX. xliii 



Order m.—CORALUFEm— (continued). 



Porites, 446 

 Meandrina, 446 

 Pavonia, 446 

 Hydnophora, 446 

 Agaricina, 447 

 Sarcinula, 447 

 Stylina, 447 



Millepora, 447 



Disticophora, 447 

 Millepora proper, 447 

 Eschara, 447 

 Retepora, 447 

 Adeona, 447 



Natantes, 448 



Pennatula, 448 



Pennatula proper, 448 

 Virgularia, 448 

 Scirpearia, 449 

 Pavonaria, 449 

 Renilla, 449 

 Veretillum, 449 

 Ombellularia, 449 



Ovulites, 449 



Lunulites, 449 



Orbulites, 449 



Dactylopora, 449 



Alcyones, 449 



Alcyonum, 450 



Thethya, 450 



Spongia, 450 



CLASS v.— INFUSORIA. 

 Order I— ROTIFERA, 450 



Furcularia, 452 



Trichocerca, 452 

 Vaginicola, 452 



Tubicolaria, 452 



Brachionus, 452 



Order II.— HOMOGENEA, 453 

 Ureolaria, 453 

 Trichoda, 453 

 Leucophra, 453 

 Kerona, 453 

 Himantopes, 453 

 Cercaria, 453 

 Vibrio, 453 

 Enchelis, 454 

 Cyclidiura, 454 



