702 Bacillariese, Fragilariacere, Rhaphoneis. 



diantibus, -iVo-BYo in 10 [j. , lineis duabus delicatissimis hiuc inde 

 interruptis, area rnedia angusta lineari. 



Ilab. in oceano pacifico boreali et australi nec non in oceano 

 atlantico ad oras Africae australiores, 



10. Rhaphoneis? Archeri 0'Meara in Micr. Journ. 1867, p. 247, t. 7, 2820 

 f. 12. — Valvis ellipticis, tnediocribus; striis (?) leniter radianti- 

 bus, costatis, remotiusculis ; pseudorhaphe anguste lanceolata. 



Hab. ad insulas arranienses (0'Meara). 



11. Rhaphoneis japonica Castrac. Diat. Ghallenger n. 49, t. 19, f. 12, 2S2i 

 Notarisia 1889, p. 692. — Mediocris ; valvis ellipticis, 55=; 24 (ex 

 icone), apicibus cuneato-rotundatis ; distinctiorum granulorum li- 

 neis subradiantibus; granulis circum regulariter stipatis, medio ir- 

 regulariter rarioribus. 



Ilab. in mari japonico (Exped. Challenger). 



12. Rhaphoneis? mammalis Castrac. Diat. Challenger p. 48, t. 26, f. 3, 2822 

 Notarisia 1889, p. 692. — Valvis elliptico-lanceolatis, 44 ::; 24 (ex 

 icone), apicibus productis mammiformibus, costis raris, radiantibus, 

 vitta sublineari medio interruptis. 



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



13. Rhaphoneis? elliptica Castrac. Diat. Challenger p. 49, t. 26, f. 13, 2833 

 Notarisia 1889, p. 691 non Ehrenberg. — Parva; valvis ellipticis, 

 SO^s^^S (ex icone), duplo longior quam latior; costis crebriusculis, 

 radiantibus, area lineari lanceolata medio interruptis. 



Hab. in mari japooico (Exped. Challenger). 



14. Rhaphoneis lusitanica Rabenh. Fl. Eur. Algar. I, pag. 126. — Val- 2824 

 vis late ovato-rhomboideis, 17-45 a. longis, vix bis longioribus 

 quam latioribus, striis elegantissime granulatis, medio area oblonga 

 levissima interruptis, apicibus porrectis subuliformibus; stipite fru- 

 stuli fere duplo longiore. 



Hab. in Champia parvula prope « Paredes » Lusitanise 



(GOMES). 



15. Rhaphoneis maculata Cleve Diat. Vega p. 500, t. 37, f. 56. — 2825 

 Valvis rlioinbicis lanceolatisve, 30-50 :5 12-14, granulis margaritaceis 



in series decussatas dispositis, circiter 10 in 10 u.. ornatis, area 

 centrali ampla, subhyalina, punctis nullis vel obliteratis. 



Hab. in aquis marinis ad «Labuan» insulae Bornei (Kjellman). 



16. Rhaphoneis? bilineata Grun. et Cleve Diat. Vega p. 499. — Val- ^y, 

 vis auibitu variabilibus, plerumque lanceolatis, 25-54 ::; 8-12, costis 

 validis, parallelis, 7 in 10 :j.. (teste Grunow), delicate punctatis, co- 

 stis in utroque pseudorhaphes latore linea impressa interruptis. 



