Familia 



Familia 



I. 



382 Mr. Weaver's View ©/"Ehrenberg's Observations 



Familia XI. Helicotrochina. 



Gen. 3. Polystomella, PAmphistegina, PGeoponus. 

 Familia XII. Alveolinea. 



Gen. 2. Melonia, Alveolina. 

 Familia XIII. Fabularina. 



Gen. 2. Fabularia, Coscinospira. 



Ordo II. — GyMNOcon-a;. 



Libere vagantes, nudae. • 



Cristatellina. 

 Gen. 2. Cristatella, Zoobotryon. 



Ordo III. — Thallopodia. 



Stolonibus thallove membianaceo affixa, incrustantia 



nee adnata, sed loricata. 



Halcyonellea. 

 Gen. 8. Halcyonella, Vesicularia, Bowerbankia, Far- 

 rella (= Lagenella) *, Valkeria, Stephani- 

 dium, n. G., Dynamene, Halodactylus (= 



Alcyonidium). 



CORNULARINA. 



Gen. 1. PCornularia. 



ESCHARINA. 



Gen. 6. Eschaia, Melicertina ( = Melicerita) \ , 

 Crisis, Acamarchis, Notamia. 

 Cellepouina. 



Gen. 5. Cellepora, Flustra, Membranipora, Biiolo- 

 phus, n. G., Apsendesia. 



AuLOPORINA. 



Gen. 1. Tubulipora. 



Ordo IV. — Scleropodia. 



Stolonibus destituta, excreto fulcro axique anorganicis 

 firniiter affixa eisque fruticulosa. 



Familia I. Myrioporina. 



Gen, 9. Hornera, Idmonea, Retipora, Disticbopora, 

 Myriopora, Tilesia, Cricopora, Ceiiopora, 

 Spiropora. 

 Familia II. P Antipathina. 



Gen. 1. Antipathes. 



" The two last orders, the Thallopodia and Scleropodia," 

 the author observes, "are considerably richer in forms, and 

 it would be very easy by an uncritical compilation to enlarge 

 greatly the number of names ; but such confusion has been 

 produced in names by Lamouroux and later writers, the same 

 body being often designated by many new names, that I shall 

 not venture to extend my judgment further at present. What 



* The name Lagenella was appropriated to an infusorial form in 1832. 



-f" Melicerta is already employed among the Radiaria, Melicertum with 

 the Acalepha, Melicerita is not correct in language. 



Perhaps hereafter it may be advisable to substitute Textilaria for Tex- 

 tularia, Polystomatium for Polystomella, Cyclodiscus for Discorbis, &c. 



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