PLATE XX.1V. 



Pig. 1 — Amphora honshuensia Mann. Enlarged 500 diameters. Description, p 

 2 — Amphora baccata Mann. Enlarged 575 diameters. Description, p. 378. 

 ': mi. Enlarged 600 diameters. Description, p. 374. 

 Pig. L — Achnanthes diapar Mann. Enlarged 800 diameters. Description, p. 327. 

 Fig. 6. — Achnanthes diapar Mann. Enlarged BOOdiameters. Description, p 



—Dimeregramma inftatum Mann. Enlarged 1,000 diameters. Description, p. 327. 



422 



