SHORT NOTES. 188 
a species of Navicula as N. tumida. In 1888 the Rey. W. Smith 
renamed it N. Jennerii in his ‘ British Diatomacee,’ vol. i., p. 49, 
enna and not in ignorance, as he cites Brébisson as ‘having 
mmunicated n 
ing it N. anglica Ralfs, o far the matter is clear, but it 
‘atti that a few months earlier Grunow had published a new 
genus, Seagulls in the Verh. zool.-bot. Ges. Wien. x. (1860), 
554, wi e species, one of them being Brébisson’s N, Seti 
which in Gritiew’s list stands as S. Jennerii: The point is, can 
Smith’s N. tumida stand, as it aby evidently a bad name from the 
before Grunow’s paper above cited, Smith’s N. twmida of course 
i ed 
on the present aspect of matters, I ha, gay that the fresh-water 
diatom must bear the name V. tumi .» With N. anglica 
Ralfs as a synonym.—B. Daypon JAcKson 
Levucosum xstivum in N. Witts.—My mee Mr. F, pagar 
~ OMENCLATURE OF tla —Boea Hancei Clarke (DC. Mon. Phan. 
v. 144) is ty with “B. dict, yoneura Hanee (Journ. Bot. 1888, 
168), the same number of Hance’s herbarium (now in the British 
Museum) beni cited for each. The latter name, published in June, 
1883, takes 3 precedence of the former, which dates from September 
in the same year.—JAMES pairras. 
CR ne eaaaRTNEEE 
