392 DiATOMACE^ (Comber). [Sitinrella 



5. S. augusta Knetz. Bacillar. p. 61. t. xxx. f. 52 (1844). 

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



Var. apiculata Grun. in Wien, Verb. k. k. zool. bot. Ges. xii. 

 p. 455. t. vii. (10). f. 8 (1862). 



5. apiculata W. Smith Br. Diat. II. p. 88 (1856). 

 GoLUNGO Alto.— Rio Muio ; 5 Feb. 1855. No. 147- 



6. S. Moelleriana Grun. in Moeller, Typen Flatten 2-3-4 

 (Date ?) ; A. Schmidt Atlas t. xxiii. f. 36, etc. (1875). 



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



18. CYMATOPLEURA W. Smith in Ann. Mag. Nat. Hist. 

 Ser. 2. vii. p. 12 (1851). 



1. C. Solea W. Smith, I.e., p. 12. t. iii. f. 9 (1851). 

 Surirella Solea Kuetz. Bacillar. p. 60. t. iii. f. 61 (1844). 

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

 No. 146. Rio Muio, 5 Feb. 1855. No. 147- 



19. LIATOMA DC. Flor. Francj. II. p. 48 (1805); Heib. 

 Consp. Crit. Diat. Danic. p. 55 (1863). 



1. D. elongatum Ag. Syst. Alg. p. 4 (1824). 



Var. Ehrenbergii V. Heurck Syn. p. 160 (1885). 



Biatoma Ehrenbergii Kuetz. Bacill. p. 48. t. xvii. f. 18 (1844). 

 D. grande W. Smith Br. Diat. II. p. 39. t. xl. f. 310 (1856). 



Baera do Bengo. — On Naias in Lagoa Quifandongo, near Quise- 

 quele ; Nov. 1853. No. 135. 



20. SYNEDRA Ehrenb. in Berlin, Abhand. 1830. p. 40; 

 Infusionsth. p. 210 (1838); Kirchn. in Cohn Krypt.-Flor. 

 Schles. II. i. p. 207 (1878). 



1. S. Ulna Ehrenb. Infusionsth. p. 211. t. xvii. f. 1 (1838). 

 Bacillaria Ulna Nitzsch Beitr. z. Infus. p. 99. t. v., in Halle, 



Neue Schrift. Naturf. Ges. III. i. (1817). 



PuNGO Andongo. — On roots of Pist'ia Stratiotes in the Cuige river 

 near Quibinda ; March 1857. No. 130. 



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

 No. 146. In company with a short broad form in which the blank is- 

 often unilateral, and also with a constricted form ; Rio Muio, 5 Feb. 

 1855. No. 147. 



2. S. splendens Kuetz. Bacillar. p. 66. t. xiv. f. 16 (1844); V. 

 Heurck. Syn. t. xxxviii. f. 2 (1880-84). 



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

 No. 146. Rio Muio ; 5 Feb. 1855. No. 147- 



3. S. Acus Kuetz. Bacillar. p. 68. t. xv. f. 7 (1844). 



Var, delicatissima Grun. in V. Heurck Syn. p. 151 (1885). 

 aS'. delicatissima W. Smith Br. Diat. I. p. 72. t. xii. f . 94 (1853). 

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



4. S. affinis Kuetz. Bacillar. p. 68. t. xv. f. 6, etc. (1844). 



