- 31 - 



Actinoptycbns indicus J. Br. 

 Arachnoïdiscus ornatus Eh. 

 Asterionella Bleakeleyi var. Grun. 

 Biil«lulphia aurita Bréb. 



— balaena Eh. 



— obtusa Ralfs. 



— pulchella Greg. 



— Roperiana Grev. 

 Campyloneis notabilis J. Br. 



Cocconeis heteroïdea. 



— pellucida Hantz. 



— scutelliim Ehr. 



— — var. obliqua J. Br. 



Epithemia hirundtnella J. Br. 



— musculusKtz. 



Gepbyria média Ârnott. 

 Granimatophora marina Ktz. 

 Istbniia enervis Eh. 

 Mastogloia tndica J. Br. 



— Peragalli Grun var. circom- 



nodosa J. Br. 



— quinquecostata Grun. 



— squamosa Cl. 



— De Toni J. Br. 



— tortilis J. Br. 



Melosira Borreri v. octogona. 

 JVavicula aspera Eh. 



— didyma Ktz. var. 



— lyra Eh. et vars. 



— multicostata Grun. 



— notabiHs Grev. var. 

 IVitzschia fluminensis Grun. 



— paradoxa Grun. 



— panduriformis Greg. 

 Ortboneis Glevei Grun. 



— fimbriata Grun. 

 Plagiodiscus nervatus Grun. 

 Pleurosigma formosum Grun. 



— speciosum Sm. var. 

 Podosira ambigua Grun. 

 Rbabdonema adriaticum Ktz. 



— mirificum W. Sm. 

 Synedra formosa Hantz. 



— fulgens W. Sm. 



— HennedyaMra Greg. 

 Trieeratum arcticum Bright. 



— dubium Bright. 



— pentacrinus Wall. 



— Shadboldtianum Grev. 



— sculptum Shadb. 



— zonulatum Grev. 



N° 56 LAC DES QUATRE-CANTONS (Suisse) 



(Sondage) 



BIBLIOGRAPHIE. — Diatomées des Alpes et du Jura, par le professeur 

 J. Brun, qui a fait l'analyse de cette récolte. 



Campylodiscus bibernicns Eb. 



— noricus Eb. 

 Cymatopleura solea Eh. 



— elliptica W. Sm. 



— — V. constricta. 



Fpitbemia Hyndmannii W. Sm. 

 IVavieula nobilis Eh. 



— patula W. Sm. 



Navicala viridis Eh. 



I\itzsobia sigmoïdea W. Sm. 

 Pleurosigma attennatum W. Sni. 

 Surirella biseriata Bréb. 



— — var aeuniinata. 



— — var minor. 



— Capronii Bréb. 



— elegans v. elongata Eh. 



