NO. 4 



FRASER: HYDROIDS 



161 



Species 



Div. A 



Div. B 



Div. C 



South of 

 Div. B 



North of 

 Div. C 



North 

 Atlantic 



Aglaophenia octocarpa 



pinguis 



praecisa 



prorninens 



propinqua 



rigida 



struthionides... 



symmetrica 



Antennella avalonia 



compacta 



gracilis 



Antennularia alternata 



compacta 



irregularis 



reversa 



septata 



tetraseriata..... 



Cladocarpus tortus 



Diplocheilus allmani 



Hippurella longicarpa 



Lytocarpus philippinus 



Monostaechas quadridens.... 



Plumularia acutifrons 



alicia 



alternata 



attenuata 



biarmata 



corrugata 



defecta 



delicata 



filicula 



floridana 



inermis 



lagenifera 



magellanica 



margaretta 



micronema 



propinqua 



septata 



setacea 



sinuosa 



tenuissima 



Schizotricha tenella 



Streptocaulus pulcherrimus.. 



213 



X 

 X 



X 

 X 

 X 



X 

 X 

 X 

 X 



X 

 X 

 X 



X 



92 



X 

 X 



X 

 X 



X 

 X 

 X 

 X 

 X 

 X 

 X 

 X 

 X 

 X 

 X 



X 

 X 

 X 

 X 

 X 



X 

 X 

 X 

 X 

 X 

 X 

 X 

 X 

 X 



X 



X 

 X 



X 

 X 



X 

 X 



X 

 X 

 X 



X 



X 

 X 



X 



X 



X 



X 

 X 

 X 

 X 



83 



152 



15 



66 



X 

 X 



85 



