HISTOIRE DES HYDROIDES 



467 



P. pusillus Allman 1864 



P. quadrltentaculatus (Wright) 1867 



P. ramosus Allman 1863 



P. repens 

 P. serpens 

 P. sessilis 

 P. vestittis 



Gen.Platypyxis 

 P. cylindrica 



Gen. Plumularia 

 P. algirensis 



P. angulosa 



P. arborea 

 P. aurita 



P. banksii 



=: Pennariti disticha. 



^Halocordgle tiarella. 



Kirchenpauer 1868 



Lamarck 1816 



Desur 



BUSK 



Grav 



1851 

 18o2 



1843 



= Bougaiiivillia mus- 

 cus. 



P. palliatus (Wright) 1861 



P. (Atractylis) pallia- 

 tus Allman 1864 = 



Perigon im us pallia- 

 tus. 

 Pt'rigoninms repens. 



: Bougainvillia rauio- 

 sa. 



= Aglaophenia kirchen- 

 paueri. 



r=- Aglaophenia angu- 

 losa. 



Ind. an Hgdrallmaniaf 



= Aglaophenia phoeni- 

 cea. 



=z Aglaophenia penna- 

 ria. 



