►38 >NTRIBUTIONS FROM nil. NATIONAL HERBARIUM. 



I. PhyB. Abh Akad. Wi 18 1 1 



// ' pi. t . VI / i . . 



1. XX 1854 Bail Smithson ( onti Knowl. 7: pi / 



I lir.nl.. Phys. Abh. Akad. Wiss Berl. 184] - ///. 



Til L84 I M.. i Ehrenb. Mikrog / 



Bacill. 106. pi i-6. 1844. 



Smith, Synop. Brit. Du l . ■ 

 Bail Smithson Contr. Know] 7: l<> pi. i. j. i: 

 imidt, V - p. Rep Voj Chall Bot. 2: 24. pi. 



• 



Jan : Schmidt, Atlas pi. iv /". / l s 7'.' 

 \ Pant. Beitr. Bacill. Ung. 3: pi. / • 



- Vet. Akad. Bandl. 26-: L91. /</. 

 I have marked several of the above Bynonyms as doubtful, among them the S. 

 Bailey, though what Castracane calls by that name is an unquestionable 

 example of the present species. I exclude the following species « lassed a~ synonyms 

 by < 1' v ista Petit v • i . -• i . • \ ■ ■ ■• ' 



Schmi \ S midt \ ula amphora Brun.,< Vavicula schmidtiana 



< rrun. ' 



De Toni, though recognizing Stauroneisas a valid genus, considers this particular 

 Bpeciee to be a Navicula. 



Found at stations 2808, 2848, 2920H, 3013H 

 Navicula aspera P intermedia Grun. ; Schmidt. Atlas pi. 48. f. li 15. 



I mention this variety separately because I think with Sclnni.lt that it is cl 

 with \ with much difficulty. I discovered it in different dredgings from 



those that yielded A 



Found at stations 2807, 2823, 2919, 3611, Galapagos Islands to Bering - 

 Navicula bisulcata Lagere. Bih. Sv. Vet. Akad. Eandl. l u : 31. pi. /../'. 8 9. L873. 

 Schmidt, Atlas pi. 49./. 15, i:. 18. L877. De Toni, Syll. Alg. 2: 150. L891. 

 Sv. Vet. Akad. Bandl. 26 : 68. 1894. 

 It has th<- genera] build of A Kui/... but is of extreme delicacy and fineness 



of structure. It resembles far less N. sctia W. Smith,? to which < !leve compares it. thi- 

 latt. r having dotted and Blightly radiating striae and no pronounced hyaline central 



Found at station 3712H, < Okhotsk 5 

 Navicula bombus (Ehrenb.) Kiit/.. Sp. Alg. 83. 1849. Rabh. H. Eur. Alg. 1 



1864. Greg. Trans R y Soc. Edinb. 31: 184. pi. 9.f. 12. 1857. Donk. Brit. Diat. 

 50 pi. .../■. 7a not/. 7b . L871 73. O'Meara, Proc. R03 [rish Acad. II. 2: 101. 

 pi - L875 Schmidt, Atlas pi Van Heur. Synop. 90; S.uppl. 



pi B.J. 12. L885. Pritch. Bist. Enfus. ed. 1.893. L861. Cleve, in Nordensk. 

 .. Exped. 3: 171.1883. De Toni, Syll. Alg. 2: 75.1891. Van Heur. Treat. 

 Diat. L94. pi. S.f. 149. \ 



iambus Ehrenb. Ber. \ka<l. Wise. Berl. 1844: 30. 1845. 

 Diploneis bombus Ehrenb. Mikrog. pi 19. f. SI. Cleve, Sv. Vet. Akad. Bandl. 26-: 

 90. 1894. 

 icula bombus Ehrenb.; Schmidt, Atlas ed. 2. pi 13. , 



ids .!-• la Mer 3: L85. pi 5. f. 16a-b. L877. 

 p. Rep. Voy. Chall. Bot. 2: 25. pi >./. 7. 

 < Schmidt, Atlas pi \8.f. 11-18. L876. 

 d( »,,. cit. pi 

 ' Mem. Soc. Phys. et Bist. Nat. Geneva 31 : 32. pi 15 f ■ L891. 



; Si-li It, Atlas pi \8. i. i '. 1$ unnamed ./. 19 :<>. 1876. 



vAmi. Mag. Nat Bist, II. 19: 8. pi 2/ I. 



