384 DiATOMACE^ (Oombei). [Ilamcula 



18. N. radiosa Kuetz. Bacillar. p. 91. t. iv. f. 23 (1844). 

 GoLUXGO Alto.— Rio MCiio ; 5 Feb. 1855. Jfo. 147. 



19. N. oblonga Kuetz. BacUlar. p. 97. t. iv. f. 21 (1844). 

 Friisfulia oblonga Kuetz. Alg. Dec. No. 71 (1833). 

 GoLTJNao Alto. — On small shells in ponds near Sange ; Dec. 1854. 



No. 146. 



20. N. dicephala W. Smith Br. Diat. I. p. 87. t. xvii. f. 157 

 (1853). 



Pinnularia dicephala Ehrenb. in Berlin, Ber. K. Pr. Ak. 1837. 

 p. 45; Infusionsth. p. 185 (1838). 

 GoLDNGO Alto.— Rio Muio ; 5 Feb. 1855. No. 147. 



21. N. lanceolata Ehrenb. Infusionsth. p. 185 (1838). 

 FrvMulia lanceolata Ag. in Flora x. p. 626 (1827). 

 GOLUNGO Alto.— Rio Muio ; 5 Feb. 1855. No. 147. 



22. N. anglica Ealfs in Pritchard Infusoria p. ^00 (1861). 

 N. tumida W. Smith Br. Diat. I. p. 53. t. xvii. f. 146 (1853). 

 GoLUXGO Alto. — On small shells in ponds near Sange ; Dec. 1854. 



No. 146. Rio MMo ; 5 Feb. 1855. No. 147. 



23. Navicula (Schizonema) mollis Cleve Syn. Navic. Diat. II. 

 in K. Sv. Vet. Ak. Handl. xxvii. 3. p. 26 (1895). 



ScMzouema molle W. Smith Brit. Diat. II. p. 77. t. Iviii. f. 365 

 (1866). 



LoANDA. — In company with minute plants of Enteromor]pha on the 

 apices of leaves of Zostera nana in the Atlantic Ocean, Praia (shore) 

 de Zamba grande, near Loanda ; 3 July 1858. No. 196. 



Welwitsch's specimen probably belongs to this species. 



2. CALONEIS Oleve Syn. Navic. Diat. II. in K. Sv. Vet. 

 Ak. Handl. xxvii. 3. p. 46 (1895). 



1. C. fasciata Cleve, I.e., p. 50 (1895). 



Navicula fasciata Lagerst. Sotv. Diat. Spetsb. in Bib. K. Sv. 

 Vet. Ak. Handl. I. 14. p. 34. t. ii. f. 11 (1873). 



GoLUNGO Alto. — On small shells in ponds near Sange ; Dec. 1854. 

 No. 146. Rio Mviio ; 5 Feb. 1855. No. 147. 



2. C. Silieula Cleve, I.e., p. 51. 



Navicula Silieula Ehrenb. Verbreit. in Berlin^ Abhand. K. Pr. 

 Ak. 1843, p. 419 (131). 



Var. ventrioosa Cleve, I.e., p. 52. 



Navicula ventricosa Ehrenb. in Berlin, Abhandl. K. Pr. Ak. 

 1830. p. 67. 



GoLUN(;o Al] (J. — On small shells in ponds near Sange ; Deo. 1854. 

 No. 146. 



3. C. amphisbsena Cleve, I.e., p. 58. 



Navicula amphisboina Bory in Encycl. Method. Zoophytes- 

 p. 565 (1824). 



GoLUMGO Alto.— On small shells in ponds near Sange : Dec. 1854. 

 No. 146. 



