SUMMARY OF RESULTS. 
287 
Pleurosigma strigilis, W. Smith. 
Rhoikosigma reichardtiana, Grunow. 
Toxonidea insignis , Donkin. 
Cocconeis scutellum, Ehrenberg, and var. 
,, dirupta, Gregory. 
„ interrupta, Grunow. 
„ pseudomarginata , Gregory. 
„ grantiana, Greviile. 
Orthoneis splendida, Grunow. 
„ coronata ( = Cocconeis , Brightwell). 
Nitzschia marina , Grunow. 
„ insignis, Gregory. 
„ plana, W. Smith. 
„ panduriformis, Gregory. 
Surirella fastuosa, Ehrenberg. 
„ macraeana, Greviile. 
„ lata, W. Smith. 
Campy lodi sens thuretii, Brebisson. 
„ ralfsii, W. Smith. 
„ hodgsonii, W. Smith. 
„ hibernicus, Ehrenberg. 
Synedra superba, Kutzing. 
„ gaillionii, Ehrenberg. 
„ pulchella, Kutzing. 
„ baculus, Gregory. 
Achnanthes brevipes, Agardh. 
Rhabdonerna adriaticum, Kutzing. 
Grammatophora serpentina, Ehrenberg. 
„ marina, Kutzing, and var. 
„ macilenta, W. Smith. 
Climacosphenia moniligera, Ehrenberg. 
Dimeregramma minus, Ralfs. 
Epithemia turgida, Kutzing. 
„ gibba, Kutzing. 
Cerataulus turgidus, Ehrenberg. 
„ leans, Ralfs. 
Biddulphia mobiliensis , Grunow. 
„ pulchella, Gray. 
„ tuomeyii, Roper. 
,, aurita, Brebisson. 
Triceratium atlanticum, Castraeane. 
„ antidiluvianum, van Heurck. 
„ ardicum, Brightwell. 
„ „ var. japonica minor, A. 
Schmidt. 
Triceratium nobilis ( = Amphitetras, Greviile). 
„ serratum, Wallich. 
„ pentacrinus, Wallich, forma tetragona . 
„ flexuosum , Greviile. 
„ alternans, Bailey. 
„ ir regular e, Greviile. 
Hemidiscus cuneiformis, Wallich. 
Auliscus coelatus, Bailey. 
Aulacodiscus petersii, Ehrenberg. 
Stictodiscus parallelus ( = Triceratium, Greviile), 
forma hexagona. 
Coscinodiscus lineatvs, Ehrenberg. 
„ anguste-lineatus, A. Schmidt. 
„ blandus, A. Schmidt. 
„ excentricus, Ehrenberg. • 
„ nitidus, Gregory. 
,, „ var. sparsa, Rattray. 
„ curvatulus, Grunow. 
„ ,, var. direda, Rattray. 
„ ,, „ subocellata, Grunow. 
,, subtilis, Ehrenberg. 
„ tuber culatus, Greviile. 
,, concavus, Gregory. 
„ centralis, Ehrenberg. 
„ nodulifer, Janiscb, and var. 
„ decrescens, Grunow, 
,, radiatus, Ehrenberg. 
„ ,, var. minor, Rattray, 
„ oculus-iridis, Ehrenberg. 
,, marginatus, Ehrenberg. 
„ concinnus, W. Smith. 
,, asteromphalus , Ehrenberg. 
„ elegans, Greviile. 
Stoschia admirabilis, Janisch. 
Ethmodiscus sp. (?). 
Stephanopyxis turris, Ralfs. 
Asteromphalus brookei, Bailey. 
„ roperianus, Ralfs. 
Actinocyclus murrayensis, Castraeane. 
Actirioptychus splendens, Ralfs. 
„ vulgaris, Schumann. 
Hyalodiscus subtilis, Bailey. 
„ Isevi-s, Ehrenberg. 
Bacteriastrum varians, Lauder. 
Station 78. 
Proximity to land is indicated by the occurrence of three fresh-water species, 
two were found by Grunow in marine soundings off Franz Josefs Land. 
Of these, 
