320 



Plumularia fa ko ta 



Plumularia tenerissima 

 Sertularia falcata 



» » 



Plumularia falcata 



H jjdrallmania falcata 

 Plumularia falcata 

 Hydrallmania falcata 

 Plumularia falcata 



)) » 



Hijdrallmania falcata 

 Plumula ria falcata 



3. 



Hydrallmania franciscana (Trask). 



Plumularia franciscana Trask 

 Plumularia fjracilis Murray 



Sertularia gracilis Agassiz, A. 



1857 p. 113, pL 4, fig. 3. 

 1860 (a) p. 251, pi. 12, fig. 1, 

 1865 (c) p. 145, 223. 



Gen. Hydranthea Hincks 1868. 

 Hydranthea margarica Hincks. 



Atractylis margarica Hincks 



» » Hincks 



.j » Allman 



Hydranthea margarica Hincks 



» » Allman 



1862 (c) pi. 9, fig. 4. 



1863 p. 45. 

 1864 (c) p. 363. 



1868 p. 100, pi. 19, fig. 1. 



1871 p. 158, 301. 



Gen. HypsoropJius Allman 1864. 

 Allman (1864 (c), p. 376) avait donné provisoirement le nom 



