112 
NAVICULA INFLATA, Kitz. 
Navicula inflata, Kiitz., Bacill., p. 99, t. I1., fig. XXXVL., 1, 2, 3; Sm., Syn., 
Vol. i., p. 50, pl. XVIL., fig. 158; Donkin, Brit. Diat., p. 21, pl. IIL, fig. 9; Ralfs 
in Prit. Infus., p. 899 ; Brun, Diat. Alpes and Jura, p. 76, pl. VIL, fig. 15; O’Meara, 
Rep. on the Irish Diat., p. 413, pl. XXXIV., fig. 23. 
Finnularia inflata, Rabenh., Sussw. Diat., p. 44, t- V., fig. 10 c. 
Navicula follis, Ehr. 
Valve small, elliptical, with obtuse truncated extremities and 
inflated centre; striz moniliform, radiate, reaching to the median 
line, . 
Hab.—Fresh water, occasional; New Dorp. (Plate IEXITX,, 
fig. 7.) 
: NAVICULA LATISSIMA, Greg. 
Navicula latissima, Donkin, Brit. Diat., p. 17, pl. IIL., fig. 2; Ralfs in Prit. 
Infus., p. 903; O’Meara, Rep. on the Irish Diat., p. 379, pl. XXXIL., fig. 6. 
Pinnularia, divaricata, O’Meara, Q. Mic. Jour., n. s., Vol. VII., p. 116, pl. 
Vie he. 7: 
Valve broadly elliptical, extremities slightly produced; inter- 
_ mediate free space expanded around the central nodule; striae 
distinctly moniliform, convergent opposite the central nodule, 
and radiate towards the ends. 
fTab.—Marine, not abundant. South Beach, in deep water. 
(Plate LXIX., fig. 8.) 
NAVICULA SPHAROPHORA, Kiitz. 
: Navicula spherophora, Kiitz., Bacill., p. 95, t- IV., fig. 17; Sm., Syn., Vol. 1, 
p- 52, pl. XVIL., fig. 148; Rabenh., Sussw. Diat., p. 40, t. VI., fig. 65a; Ralfs in 
Prit. Infus., p. 899; Donkin, Brit. Diat., p. 34, pl. V., fig. 10; Van Heurck, Syn. 
Diat. Belg., pl. XII., fig. 2; O’Meara, Rep. on the Irish Diat., p. 360, pl. XXXL, 
fig. 11; Brun, Diat. Alpes and Jura, p. 67, pl. VIL., fig. 16. 
Valve elliptical, constricted into produced capitate apices ; 
striz punctate and slightly convergent, not reaching the median 
line. 
_ Hab.—Fresh water, not frequent. Clifton. (Plate LXIX,, 
‘fig. 9.) ' 
_ NAVICULA PUNCTATA, Kiitz. 
Navicula punctata, Donkin, Brit. Diat., p. 36, pl. V., fig. 12; O’Meara, Rep. 
on the Irish Diat., p. 380, pl. XXXII, fig. 10. 
Stauroneis punctata, Kiitz., Bacill., p, 106, t. XXI., fig. 9; Sm., Syn., Vol. i., 
p- 61, pl. XIX., fig. 189; Ralfs in Prit. Infus., p.912; Van Heurck, Syn. Diat. Belg., 
pl. X., fig. 14; Brun., Diat. Alpes and Jura, p. 90, pl. IX., fig. 4. 
Stauroptera punctata, Rabenh., Sussw. Diat., P- 50, t. IX., fig. 11. 
Valve elliptical, extremities capitate, narrow; stria punc- 
