SUMMARY OF RESULTS. 
515 
Bhizosolenia inermis, Castracane. 
Dadyliosolen antardicus, Castracane. 
Chsetoceros remotum, Cleve and Grunow [ = Chseto- 
ceros janischianum, and var. lata , Castra- 
cane]. 
Synedra lanceolata , Castracane. 
Diatoma rhombicum, O'Meara, var. oceanica, 
Rattray. 
Corethron criophilum, Castracane. 
,, „ var. tumescens, Rattray, MS. 
„ murrayanum , Castracane. 
,, hispidum, Castracane, 
„ pennatum [ = Actiniscus, Grunow]. 
Coscinodiscus lunse, Ehrenberg \_- Coscinodiscus 
cydoteres, Castracane]. 
Adinocydus Oliver anus, O’Meara. 
The following is a complete list of the species observed by Mr. Rattray and Mr. 
Comber : — 
Navicula subtilis (Gregory) [ = Pinnularia 
criophila , Castracane], 
Pleurosigma diredum, Cleve. 
Thalassioth'rix longissima, Grunow, var. antardica , 
Cleve and Grunow [ = Synedra 
thalassiothrix, Cleve in parte]. 
„ nitzsch ioides, Grunow, var. lanceolata, 
Grunow. 
Synedra lanceolata , Castracane. 
„ jiliformis , Grunow. 
Trachysphenia australis, Petit, var. antardica 
(Schwarz) [ = Fragilaria antardica, Castra- 
cane]. 
Fragilaria (?) an Terebraria (?) sp., Castracane. 
„ dubia , Grunow. 
Diatoma rhombicum, O'Meara, var. oceanica, Rattray. 
Nitzschia constrida, Gregory, var. antardica, Rattray. 
„ ,, var. similis, Grunow. 
Bhizosolenia styliformis, Brightwell. 
,, furcata , Rattray, MS. 
„ setigera, Brightwell. 
Corethron criophilum, Castracane. 
Biddulphia weissflagii, Grunow. 
Remiaulus antardicus, Ehrenberg [ = Eucampia 
balaustium, and var. minor, Castracane], 
Asteromphalus hookerii (Ehrenberg), Ralfs. 
,, forma buchii (Ehrenberg). 
„ forma humboldtii (Ehrenberg). 
„ forma cuvierii (Ehrenberg). 
„ forma denarius (Janisch). 
,, darwinii, Ehrenberg. 
„ brookei, Bailey. 
,, antardicus, Castracane. 
Hyalodiscus radiatus, O’Meara, var. ardica , Grunow. 
Hemidiscus cuneiformis, Wallich, 
„ sp. (?). 
Triceratium ardicum, Brightwell, var. kerguelensis, 
Grunow. 
Adinocydus Oliver anus, O’Meara. 
Coscinodiscus margaritaceus, Castracane. 
,, lunse, Ehrenberg [ = Coscinodiscus 
cydoteres, Castracane], 
„ grandis, Rattray, MS. 
,, „ var. sparsa, Rattray, MS. 
„ excentricus, Ehrenberg. 
,, atlanticus, Castracane, and var. 
„ lineatus, Ehrenberg. 
,, lentiginosus, Janisch. 
,, „ var. maculata, Grunow. 
,, subtilis, Ehrenberg. 
,, „ var. glacialis, Grunow. 
„ tumidvs, Janisch. 
„ „ var. fasciculata, Rattray. 
„ radiatus, Ehrenberg. 
„ decrescens, Grunow. var .piolaris, Grunow. 
„ „ var. repleta, Grunow. 
„ fasciculatus, A. Schmidt. 
,, griseus, Greville, var. gallopagensis, 
Grunow (l). 1 
„ curvatidus , Grunow, var. maculata, 
Rattray, MS. 
„ „ var. elegans, Rattray, MS. 
„ „ var. subocellata, Grunow. 
„ tuberculatus, Greville, var. excentrica, 
Rattray, MS. 
„ „ var. antardica, Rattray, 
MS. 
„ elegans, Greville. 
„ robustus, Greville. 
„ „ var. minor , Rattray, MS. 
,, molleri, A. Schmidt, var. antardica, 
Rattray. 
1 A few specimens occur in the ooze which, though not absolutely identical with this form as figured by van 
Heurck (Synop. d. Diat. d. Belg.), are yet more closely allied to it than to any other. 
Station 157 . 
