102 Bacillariese, Naviculacea?, Navicula. 



little known Diatoms p. 13 [an 0'Meara?], Lag. Boh. Diat. p. 46, 

 Amphora stauropiera Bail. in Sraiths. Contrib. VII, 1853, p. 8, 

 f. 14-15, Amphiprora lepidoptera Greg. Diat. of the Clyde p. 34, 

 t. 4, f. 59 c, Amphora obiusa Greg. Diat. of the Clyde pag. 34, 

 tab. IV, fig. 60, Grun. Arct. Diat. pag. 66, Schm. N. D. tab. 2, 

 f. 1. — Frustulis late linearibus, medio parum constrictis, utroque fine 

 late rotundatis, lineis intermediis bicurvatis nodulos non attingen- 

 tibus, nodulo distincto orbiculari, valvis ex oblongo anguste lan- 

 ceolatis, apicibus subacutis; striis subtilibus, 44 in 10 u. 



Hab. ad oras Scotiae (Gregory); in oceano atlantico boreali 

 passim (Cleve). 



359. Navicula PensacolaB Cleve On some new or little known Dia- 3r>9 

 toms p. 14, t. III, f. 39. — Valvis lanceolatis, 54 « 15, marginibus 

 undulatis apicibusque prominentibus; striis indistinctis, punctatis, 



14 in 10 (x., parallelis, parte valva? inter carinas imperspicue striata. 

 Hab. in portu «Pensacola» Floridaj (Febiger). 



360. Navicula crucifix Temp. et Brun Diat. foss. du Japon p. 42, t. 7, 3G0 

 f. 10. — Valvis lanceolatis, 110-130-22-26, polis rotundatis, bi- 

 marginatis (interiori margine tantum staurum conspicuum osten- 

 dente); striis medio parallelis, ad apices subobliquis, subtiliter pun- 

 ctatis, 12-14 in 40 p., nodulis terminalibus magnis, marginem ex- 

 tremum attingentibus; facie connectivali latissima, 35-45 p. lata, 

 rectilinea, striis transversis parallelisque prsedita. 



Ilab. fossilis in calcaria ad «Yedo» Japonise. — Silix flave- 

 scens. 



361. Navicula? amphoroides 0'Meara in M. J. 1867, pag. 116, t. 5, 3ci 

 f. 4, 1868, pag. 141. — Valvis, ellipticis, angustis, 72-75*32-34, 

 nodulo centrali depresso, rhaphe undulata ; striis transversis moni- 

 liformibus (granulis discretis), in valvas medio nodulum centralem 

 subattingentibus, ceterum apices versus magis magisque abbreviatis. 



Ilab. in mari pr. insulas Arranienses HiberniEe (E. P. Wrigiit). 

 — An hujus generis? 



VII. Hennedyejb V. H. Syn. p. 92. 



362. Navicula prastexta Ehr. in Berl. Abh. 1840, p. 20, Greg. Diat. 362 

 of Clyde p. 9, t. I, f. 11, Rabenh. Fl. Eur. Algar. I, p. 183, Donk. 

 Br. Diat. p. 10, t. 2, f. 1, 0'Meara Ir. Diat. p. 387, t. 32, f. 27, 



A. Schm. Atlas t. 3, f. 30-34, V. H. Syn. p. 92, t. 9, f. 13, Edw. 

 N. H. t. 3, f. 29, Witt Diat. 1885, p. 29, t. 2, f. 4, Pinnularia prcc- 

 texta Ehr. Ber. 1840, p. 214, Mikrogeol. t. 19, f. 28. — Valvis 



