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MANN — DIATOMS OF THE ALBATROSS VOYAGES. 343 



Diploneis dldyniu P:iinMil). Mikrog ' pL IS./. 69 (?), pi 19./. 32, pi 21 J, 34 (?), pi 22. 

 J. 60 (?). 185J. Cleve, Sv. Vot. Akad. Handl. 26^: 00. 1894. 



Ilrre again it is a (niesti^in if Ehnaibf^rg should 1>.' fj^uott'd as the aiitliurof this name. 

 A Inire refen^nce to Pinnnlana dvhjmus is followed )>y a confusion of im^concilable 

 figun^s. That a \vfdl~un<l(Tstood (^inoc^ption has grown around this name is certain, 

 but that it matches l^bn^iberg's form (»r foijus can liot b(^ proved. Clev(^ drops Ehreu- 

 berg (uit of the category, except for the original reference, De Torii masses the hete- 

 rogeneous lot from Ehrenberg and other authors without comm<Mit. Ho also includes 

 luTc N, (Phimdana) apis Ehrenb, a thing uol to be comin(>nd(Hl. There are a lan^e 

 number of diatoms of this general build, and the above species d.uiblless grades off 

 into A'', bombns (Ehrenb.) Kiitz. on ibr tmc^hand and A\ splendida Greg, on the other. 

 Their drawings are still more liabh^ to overlap. But aside from the fact (hat N. apU 

 Ehrenb. is an indefinite quantity, the modern conception of it in Kutzing, Donkiu, 

 and others can not be joined with Ibis species. 



Found at station 300811, Hawaiian Islands, 



Navicula distans (W. Smith) Ralfs. Pritfdi. Illst. Tnfus. ed. 4, 907, 1801. Schmidt, 

 Jahresb. Komm. Deut. Meere 2: 91. pi 2./. 38 (unnamed). 1871. Schmidt, Atlas 

 pl4e.f. 11-14. 187C. O'Meara, Troc. Roy. Irish Acad. II. 2; MW (not pi 30. 

 /. 6). 1875. Cleve, Bih. Sv. Vet. Akad. Ilandl. 1'^^: 17. 1873. Grun. in Cleve & 

 Grun. Sv. Vet. Akad. llandl. 17-: 38. pl2.J\42. 1880. Grun. Donkschr. Akad. 

 Wien 48^: 55. pi l.f.2G. 1884. Van Heur. Synop. Supid. 87. pi AJ,18, 1885; 

 Treat. Dial. 185. pi 3. f, 133, 18%. De Toni, Syll. Alg. 2: 53. 1891. Clevc, Sv. 

 Vet. Akad. llan.ll. 27»: 35. 1895. 



Pinnulaiia didauiy W. Smith, Synop. [irit. Diat. 1: T^{\. pll8. f. U19. 1853. Kabh. 

 El. Eur. Alg. 1: LM7. 1891. 



Found at statious 35L'(i, 3(J01 , 3(i3olI, 3091^11. Bering mmX Okhotsk seas. 



Navicula fluminensis Gjun. Vorh. Z<»nl. !l(^t. Gcs. ■\^'i^'Il 10: 520. pli.f.7. 1800. 



Ch've, in Nordensk. Vega Expod. 3: 403. 1888. t'leve & Grun. Sv. A^et. Akad. 



llaudl. 17-: 28. pi IJ, 12. 1880. De Toni, Syll. Alg. 2: 111. 1S91. 

 Naviadn ifiumineiisis var.?) JJondana Clev(s Sv. Vet. Akad. llandl. 18-': 0. pll. 



J. 10. 1881. DcToni,Syll.Alg.2: 35. 1891. 

 Nancula loczyi Pant. lUitr. BacUl. Ung. 2: 51. pi /;./ II4. 1889. 



ve makes this a variety of Piminlmia qnadraldmi (Sclunidt) (/lev(%a which is 

 his own v. pinnvlaria.^ He says, however, regarding N. flumincnds: ''I have not 

 seen original specimcMis and am therefore uncertain whether this form belongs to 

 P. quadmtarea or wdiether it is a Calojieis.'' It has no likeness to that form, exc(^pt 

 in its having the transverse striae interrupted by a slauros at the center. My speci- 



men IS much larger than any observed by Grunow, his largest (vsirwiy kug^icJcvsis) 

 being 0.057 mm, long, while mine is 0.085 mm. h.ng. ButCleve^s N. flondcma and 



PantcK'sek's N, foc2(/i approach it, the former beiug ().()75mm. and the latter 0.08 hum. 

 long. 



Found at station 3092H, Okhotsk Sea. 



Navicula formosa (ireg. Trans. Micr. Soc. Lend. ji. s. 4 : 42. plr>.f. (l. 1850. 

 Schmidt, XWxx^ plr>0.f.D-14 (not f.8, ;.5). 1877. II. L. Smitli, Sp. Diut. Typ. 

 no. 274. 1874. Pritch. Hist. Infus. ed. 4. 909. lS(il. Vaji ILnir. Synop. 102. 

 pi 11. f. 2. 1881-85; Treat. Dial. 218. ploj. 1U[). 1890. De Toni, Svll. Alg. 

 2: 142. 1891. 



Pinnnlaria omjonica Khn-id). Phys. Abh. Akad. AViss. B<'rl. 1870: pi 2 If U) 

 1871. 



«Sv. Vet. Akad. llandl. 27^: 90. 1895. 



^'Ofv. Kgl. V(4. Akad. Forhandl. 25: 22-1, pl4.f.l-2. 1808 



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