340 COX'LIUBUTIOXS FROM TILK NATIONAL HEHI^ArtTUM. 



Navicula clavata Gn^g. Trans. Mi<i'. Soc. Lond. n. s. 4: IG. jil. .'>./. 17. 1856. Dt^nk. 

 ]?rit. Diat. 15. pL 2. J. 8. 1871-73. Schntidt, Atlas pl.-Lf. li. plTO.f. 50. 1881: ;j/. 

 129. /. Ul 1888; Jalirosl). Konim. Dent. Mrcrc 2: pi, l.f.SS. 1874. Cleve, Sv. 

 Vet. Acad. JIandl. 21". 01. 1895. Pritch. Hist. Infus. ed. 4. 848. ISGl. O'Meara, 

 Pruc. Hoy. Irisli Acad. II. 2: 386. nl, 32. f. 23 (figure ])oc)r). 1S75. 

 Naviciila ucrujldii O'Mcara, Quart. Jouru. Micr. Sci. ii. 8. 7: 116. pi. 5.f. 4 (figure 



poor). 18G7. 

 Navmila canhtua Clevo; Schmidt, Jalu'cs!). Konun. Dent. Mocre, 2: 89. p)L Lf. 40. 



]874; Atlas pi 2,f. 17. 1875; pi 70, f, ^S\ 1881? 

 Navicula hemiahji \\\ Smith; Van ITeur. Sj'nop. 93. 1881; Tr(nU. Diat. 204. 189G. 



DcToni, Syll. Alg. 2: i04. 1891. 

 NavuulaJyra Rluviib.; Schmidt. MVjh^ pi 70. f. 47. 1881. Ilah. (at. 193, 212. 1877. 



This diatom standa midway between .V. Jyra Ehrcul). and X. henncdyi W. Smilli. 

 The union hvvr of O'^Ieara's .Y. wrujhiii is justified by C1(*y(\ thougli [lie figure' in tin* 

 abov(^ citation would not lead one to suspect it, unless it were compared with the 

 e(iually deceptive figure by O^Mrara of N. clavaUi, Metsl of tliat author's machine- 

 nuule illustratit)ns are useless for identification. The specimens found by mo are 

 the vari(*ty wdth tln^ spaces between the marginal and median striations strongly 

 granulated instead of hyaline. 



Found at station 2807, Gala]iagos Islands. 



l^aviculacrabro i Klu-enb.) Kiitz. Sp. Alg. 83. 1849; AV. Smith, Synop. Brit. Diat. 94. 

 1856. Grev. Quart. .Tourn. Mi{-r. Sci. 5: 7. pi J./. //. 1857: Pritch. Hist. Infus. 



ed. 4. 894. 1861. Rabh. Fl. Eur Al^r. 1: 204. 18G4. Orun. Verb. Zool. liot. Ges. 



Wii'u 10: 524. pi .?./. 21. 1860: in Fenzl, Kei.se Novara Hot. 1: IS. 1870. 



Dunk, lirit. Diat. 4i), pi 7,f,l. 1871-73. Schmidl, Jahr<vsb, Komm. Deul. 



Meere 2: pi l.f. 5-6, pi 2.f, 4- 1874: Alias pi (19. f. 1-4- 1881; pi 174- / 4- 



6-7. 1892, De Toni, Syll. A]g. 2: 68, 1891. Van lleur. Svnop. 83. pi 9. f.^ 1-2. 



1881; Treat. Dial. 192. pi S,f, 144. 1896. 

 Vimmlana crahro l-'hrenb. Ber. Akad. Wiss. Merl. 1844: 85. 1845. Kabli. Fl. l^ur. 



A1g. 1: 219. 1864. 

 Diploneis crnhro Ehrenb. Mikrog. p/. L'>./. i.9rt-r. 1854. Clews ^'^v. Vet. Akad. 



Ilandl. 26-: 100. pi 2,f. 8 (^), 10 (*.'), IL {T) (nol./. .9), 1894. 

 NavuiiJit pandiiai Breb. Afem. See. Sci. Nat. C'herb. 2:253./. -f. 1854. Sclimidt, 



Jahresb. K(imm. Deut. Meere 2: pi 2.f. J. J874: \i\-ds pi 1 1 . f. 1-2, 4, 8-9. 1875. 



Greg, Trans. Mici'. Soc. Bond. n. s. 4: 43. j)l 5. J. 11. 1856. Truan &: Witt, Di,U. 



llayti 17. pi ;./ /f. 1888, 

 PinymUinn pavdnra Greg. Trans. Koy, Soc. Edinb. 21: 489. pi 9. J. 22. 1857. 

 Navindn muJiivoi^tala Grun. Verb. Zool. Bot. Ges. Wien 10: 524. pi l.f, 13, 1860 



(figure bad). Schmidt, Atlas pi 11, /. 14-20, pi 12. f. 71-72. 1875. De Toni, 



Svlb Alg. 2: 69. 1891. 

 rinnuhirla vntlUvostata Rabh. Fl. Eur. Alg. 1: 219. 1864. 

 Navinihi (jrevlllil Dunk. ]3rit. Diat. 47. 1871-73. 

 Navicnhi nWuhi \V. Smitli; Gn^g. Trans. Micr. Soc. Lund. n. s. 4; 44. pi 5.f. 12* 



(not/ 12). 



Navicula diniiinnbua Schmidt, Atlas pi 11. f. 21-22. 1875; jd, 69, f, 9-10, 18S1. 

 Navicula mspecla Schmidt, Atlas pi 11. f. 12-13^ 26-27. 1875? 

 Navicula (jihelii Schmidt, Atlas pi 12, J- 73, 1875? 

 Navicula aeparahdis S(4imidt, Atlas pi 11, J. <i, 5-7. 10, 17. 1875. 

 Navicula erpleta Schmidt, Alias pi 69. f. 7-8. 1881? 



Navinda poUin Brun, Mem. Soe. Phys. (4 IIis(. Nat. Geneva 31^:37. pi 15. f. 1. 

 1891. 



Navicula fjloriosa ibun, item. Soc. Phys. et llisl. Na1.(ieneva 31': 34. pi 15. J. 8, 

 12. 1S91. 



Navicula navi(jans Brun: Schmidt, Atlas />^ 174- f^ 1- 1892. 



