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N° 156 



ECKMUHL — ORAN (Algérie) 



Actinoptycbus areolatus Eh. 



— undulatns Eh. 



Arachnoidiscua ornatus v. Montereyana. 

 Biddulphia pulchella Grun. 



— Tuoraeyi Bail. 



Cocconeia maccima H. Per. 



— vitrea J. Br. 



Coscinodiscas argus Eh. 



— curvatulus Grun. 



— — V. latius striata. 



— lineatus Eh. 



— marginatuB Eh. . 



— — V. intermedia. 



— radiatus Eh. 



Euodia gibba Bail. 

 Gepbyria média Arn. 

 Grammatopbora anguîosa Eh. 



— robusta Dip. 

 Hyalodiscas radiatus Bréb. 

 Isthmia gigantea M. Per. 

 IVavicala crabo Eh. 



— fusca Ralf. 



— gemmata Grun. 



— — V. spectabilis. 



— LapeyrereanaTemp. et M. Per. 



— pr8ete3|.ta Eh. 

 Trîeeratium antediluvianum Eh. 



— parallelum Grun. 



N° 157 



ARBAL — ORAN (Algérie) 



Amphora crassa Greg. 

 Actinocyelus Ehrenbergii Ealfs. 

 Actinoptychus splendens Ralfs. 



— undulatus Eh. 

 Biddulphia Tuomeyi Bailey. 

 Coscinodiscus argus Eh. 



— curvatulus Grun. 



— heteroporus Eh. 



— lineatus Eh. 



— raarginatus Eh. 



— Oculus iridis Eh, 



— radiatoa Eh. 



— symbolophorus Eh. 



Gephyrîa média Ârnott. 

 Hyaiodiscns radiatus Bailey. 



IVaviçula Beyrichiana A. S. 



— bombus Eh. 



— fusca et var. 



— Grunowii Rab. 



— Hennedyi W. Sm. 



— pandura Breb. 



— spectabilis Grev. var. 



Rhabdonema adriaticum K. 



Triceratinm antediluvianum V. H. 



— spinosum Bailey. 



