INDEX. xlii 
Orver III].—CORALLIFERI—( 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. 
Orver I.—ROTIFERA, 450 
Furcularia, 452 
Trichocerca, 452 
Vaginicola, 452 
Tubicolaria, 452 
Brachionus, 452 
OrpvrEr IT— HOMOGENEA, 453 
Ureolaria, 453 
Trichoda, 453 
Leucophra, 453 
Kerona, 453 
Himantopes, 453 
Cercaria, 453 
Vibrio, 453 
Enchelis, 454 
Cyclidium, 454 
