Pleurosigma rigidum W. Sra. 



Rhabdonema adriaticum Ktz. 



Surirella fastuosa Eh. 



Sj nedra affinis Ktz. 



— V. fasciculata Grun. 



34 — 



Synedra v. hybrida Grun. 



— baculus V. Greg. 



— Gaillonii Eh. 



— — V. elongata H. Per. 



— — V. macilenta Grun. 



Triceratium antediluvianum Eh. 



N«^ 61, 63 ILE SANDWICH ou ILE VATÉ 



(Nouvelles-Hébrides) 

 (Sur les algues) 



Actinooycins Ebi'enbergii Ralfs. 



— ornatus Ralfs. 



— Ralfsii V. monicœ Grun. 



— splendens Ralfs. 



— subtilis Ralfs. 



.\ctinoptychn8 splendens v. halionyx 



Ehr. 

 Ampbora crassa v. minor Panl. 

 AUoioneis antillarum Cl. et Grun. 



Aulacodiscus argus (Eh) Â.S. 



— orientalis Grev. 



Biddulpbia crenulata W. et Gh. 



— pulchella Grev. 



— reticulata Roper. 



— rhômbus W. Sm. 



Canipylodiscus ambiguus Grev. 



— ■ Brightvellii Grun. 



— latus V. superba Eul. 



— teniatusA.S. 



Climaco8phenia inoniligera Ehr. 



Cocconeis eximia A.S. 



— heteroidea Hantz. 



— peUucida Grun. 



— — V. niinor Grun. 



— — V. sigmoideaGrun. 



Coseinodiscus dimorphus Cast. 



— marginatus Eh. 



— nilidus Grev, "^ 



Coscinodiscus radiatus Ehr. 



Êpithemia niusculus Ktz. 

 Geph) ria média Arnott. 



Grammatopbora adriatica Grun. 



— marina Ehr. 



— var. subundulata Grun. 



— var. undulata Ehr. 



— maxima Grun. 



— subtilis Ehr. 



Homœocladia Vidovichii Grun. 



Hyalodiscus Laevis Kh. 



— stelliyer Bail. 



lÀcmophor Sk. Ehr enbergii Grun. 



Mastogloia cilrus Cl. 



— ■ decussata Grun. 



. — interrupta Hantz. 



!Vavicala advena A.S. 



— apis Donk. 



— aspera Ehr. 



— bicuneata Grun. 



— coarctata .\.S. 



— consors A.S. 



— crabro v. multicostata Grun. 

 -«- digito-radiata Greg. 



— elliptica Ktz. 

 — . fusca R'ilfs. 



— gemmatula A.S. 



— imperfecta Cl. var. 



— impressa Lag . 



— lacustris Grev. 



— longa V. Greg. 



