DIATOMACE.E. 
Determined by THOMAS COMBER. 
1. NAVICULA Bory in Diet. Class. D'Hist. Nat. xi. p. 472 
(1827); Cleve Syn. Navic. Diat. I., II. in K. Sv. Vet. Ak. Handl. 
xxvi., xxvii. (1894-95). 
1. N. cuspidata Kuetz. Bacillar. p. 94. t, iii. f. 24, 37 (1844) ; 
Cleve, op. cit., I. p. 109 (1894). 
Goltjngo Alto.— On small shells in ponds near Sange ; Dec. 1854. 
No. 146. 
Var. ambigua Cleve, op. cit., I. p. 110 (1894). 
Navicula ambigua Ehrenb. Verbreit. in Berlin, Abhand. K. Pr. 
Ak. 1843, t. II. ii. f. 9. 
GOLTJNGO Alto.— On small shells in ponds near Sange : Dec. 1854. 
Xo. 146. Rio Muio ; 5 Feb. 1855. No. 147. 
2. N. Perrotettii Cleve, op. cit., I. p. 110. t. III. f. 12 (1894). 
Craticula Perrotettii Grun. in Reise Nbvara. Bot. I. Alga 1 
p. 20. t. I. f. 21 (1867). 
Goltjngo Alto.— On small shells in ponds near Sange : Dec. 1854. 
No. 146. Rio Muio ; 5 Feb. 1855. No. 147. 
3. N. atomoides Grun. in V. Heurck Syn. t. xiv. f. 12-14 
(1880). 
Goltjngo Alto— Rio Muio ; 5 Feb. 1855. No. 147. 
4. N. Rotaeana Y. Heurck Svn. t. xiv. f. 17-19 (1880) ; Cleve. 
op. nt,, I. 128 (1894). 
Stauroneis Rotceana Rabenb. in Hedwigia I. p. 103. t. xiii. f. 7 
(1856). 
Goltjngo Alto.— Rio Muio ; 5 Feb. 1855. No. 147. 
5. N. mutica Kuetz. Bacillar. p. 93. t, iii. f. 32 (1844). 
Var. Goeppertiana V. Heurck Syn. t. x. f. 18, 19 (1880), p. 95 
(1885). 
Stauroneis Goeppertiana Bleisch in Rabenb. Alg. Eur. No. 1183 
(1861) ■ Rabenh. Fl. Eur. Alg. p. 248 (1864). 
Golungo Alto.— Rio Muio ; 5 Feb. 1855. No. 147. 
6. N. Pupula Kuetz. Bacillar. p. 93. t, xxx. f. 40 (1S44). 
Golunuo Alto.— On small shells in ponds near Sange : Dec. 1854. 
No. 146- Rio Muio ; 5 Feb. 1855. No. 147. 
