BacillarieiB, Surirellaccno, Suriraya. &89 



Notarisia 1889, pag. 687. — Valvis oljovatis, 110;:j61 (ex icone), 

 area laiiceolata centrali traiisverse undulata et lineolis terminata, 

 canaliculis duplici ordine radiaatibus ad verticem striatis; margiue 

 evidenter granulato. 



Hab. in portu «Tahiti» (Exped. Challenger). 



92. Suriraya japonica Castrac. Diat. Challenger pag. 60, t. 10, f. 8, 2307 

 Notarisia 1889, p. 696, non A. Schm. — Elliptica, 110 :; 80 (ex 

 icoue), canaliculis radiantibus, brevibus; area centrali lanceolata 

 lineolis terminata et nonnullis lineis curvatis, irregularibus quan- 

 doque interruptis transverse signata; margine et areolis iritersti- 

 tialibus striatis. 



Hab. in raari Japonico (Exped. Challenger). 



93. Suriraya grandiuscula Castrac. Diat. Challenger pag. 61, t. 10, 230S 

 f. 6, Notarisia 1889, p. 696. — Forma subovata, e majoribus, 188- 

 195=^120 (ex icone), area hyalina centrali lineolarum ordine inter- 

 rupto cincta; canaliculis inaDqualibus per alas intercedentes et in 

 alas marginales exeuntes distinctis; margine et alis striatis. 



Hab. in mari Pacifico (Exped. Challenger). 



94. Suriraya dives Castrac. Diat. Challenger p. 59, t. 10, f. 4, No- 2309 

 tarisia 1889, p. 696. — Elliptica, 140^^100 (ex icone), caQaliculis 

 radiautibus, margine denticulatis, a media superficie nascentibus, 

 area centrali arcte lanceolata et lineolarum corona cincta et me- 



dio paucis lineolis transverse signata; margine striata. 



Hab. ad «Zebu» in mari Philippinarum (Exped. Challenger). 



95. Suriraya Argus Castrac. Diat. Challeng. p. 60, t. 10, f. 9, Nota- 2310 

 risia 1889, p. 696. — Valvis ellipticis, 102:^55 (ex icone), area 

 centrali hyalina arcte lanceolata, irregulari et interrupto lineola- 

 rura ordine definita; canaliculis constrictis, areolis interstitialibus 

 granulo vel ocello signatis ; margine striato. 



Hab. in mari Japonico (Exped. Challenger). 



96. Suriraya Baileyi Lewis Intermed. Forms p. 338 (5), t. 1, f. 1.— 2311 

 Elegans, parva,» valvis habitum Niizschice prajbentibus, alis co- 

 stisque (in speciminibus minoribus) vix visibilibus ; frustulis e facie 

 connectivali visis linearibus, apicibus rotundatis ; valvis lineari- 

 lanceolatis, prope centrum leniter attenuatis, apicibus rotundatis 

 plus minus productis, alis conspicuis; costis (canaliculis Lewis) bene 

 impressis, striis plerumque distinctis ; pseudorhaphe definita. 



Hab. in « Notch Valley, Withe Mount. » Americae borealis 

 (Lewis). — Observante Deby in litt. videtur geuuina Suriraya. 



97. Suriraya delicatissima Lewi^ Intermed. Forms p. 343 (9), t. I, 2312 



