1907. - FLORE PLANCTONIQUE DE SAINT-VAAST-LA-HOUGUE 
Actinoptychus undulatus (Bail?) Ralfi 
Asterionella japonica Cleve 
Asterionella kariana Grun 
Bacillaria paradoxa ( Gmel ) Grun 
Bacteriastrum varians Lande 
Biddulphia mobiliensis Bail 
Cerataulina Bergonii IL Per 
Chætoceros curvisetum Cleee 
Chætoceros uensum Ehr 
Chætoceros Diadema Eh 
Chætoceros didymum Eh 
Chætoceros didymum var anglica 
Chætoceros gracile SchiUt 
Chætoceros teres Cleve 
Chætoceros sociale Lauder 
Coscinodiscus excentricus Ehr 
Coscinodiscus Oculus-Iridis Eh 
Ditylium Brightwellii {West) Grun 
Eucampia Zodiacus Eh 
Guinardia flaccida Casl 
Lauderia annulata Cleve 
Leptoeylindrus danicus Cleve 
Licmophora Lyngbyei (Kiitz.) Grun 
Melosira Borreri Grev 
Nitzschia Closterium Eh 
Nitzschia seriata Cleve 
Pleurosigma æstuarii W. Sm 
Bhizosolenia Shrubsolei Cleve 
Bhizosolenia semispina liens en 
Bhizosolenia Stolterfothii If. Perey 
Skeletonema cos ta tu m Grev 
Thalassiosira gravida Cleve 
Thalassiosii*a Nordenskiôldii Cleve 
Thalassiothrix nilzschioides Grun. 
Pyrocyslis Noctiluca Murray 
Ceratium Fusus Duj . 
Peridinium divergens Ehr. 
