NO. 1 



FRASER : HYDROIDS 



T 



Species 



Div. A 



Div. B 



Di<v. C 



South of 

 Div. B 



North of 

 Div. C 



North 

 Atlantic 



Silicularia pedunculata 



Campanulina ramosa 



Cuspidella humilis 



Lovenella nodosa 



producta 



Endothecium reduplicatum. 



Halecium articulosum 



beani 



bermudense 



corrugatum 



fasciculatum , 



flabellatum 



gracile 



halecinum 



insolens 



nanum 



regulare 



tenellum 



tortum 



vagans 



Washington! 



Ophiodissa laxa 



negligens 



Hebella calcarata 



Scandia corrugata 



mutabilis 



Filellum serpens 



Lafoea intermedia 



Lictorella adhaerens 



cervicornis 



Synthecium gracile 



projectum 



rigidum 



symmetricum.... 



Diphasia paarmani 



Pasya quadridentata 



Sertularelia ampullacea 



conica 



exilis 



formosa 



fusiformis 



incisa 



rugosa 



tenella 



turgida 



X 

 X 

 X 



X 

 X 



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X 



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 X 



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 X 



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 X 



X 



X 



X 



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X 

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X 



X 

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X 



X 



X 

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X 

 X 



