194 MISSOURI BOTANICAL GARDEN. 
CyYMATOPLEURA TURGIDA, Kiitz. 
Terceira ( Trelease ). 
AMPHORA OvaBis, Kiitz. 
Terceira ( Trelease ). 
ODONTIDIUM MUTABILE, W. Sm. 
Terceira ( Trelease). 
NaVICULA HEMIPTERA, Kiitz. 
Terceira ( Trelease). 
N. TABELLARIA, Kiitz. 
Terceira ( Trelease). 
N. virivis, Kiitz. 
Terceira ( Trelease). 
Professor Smith reports, with these, several other small speci- 
mens, perhaps N. acuta, N. leptocephala, etc. Moseley, 1. c. 823, 
mentions one Navicula from San Miguel, and diatoms from the same 
island are further vaguely mentioned by O’Meara in Dyer, 326, and 
Archer, 1. c. 328. 
Synepra Una, Ehr.? 
Terceira ( Trelease). 
S. rapians, Kiitz.? 
Terceira ( Trelease). 
GOMPHONEMA OLIVACEUM, Kiitz. 
Terceira ( Trelease). 
G. TENELLUM, Kiitz. 
Terceira ( Trelease). 
TABELLARIA FENESTRATA, Kiitz. 
Terceira ( Trelease). 
ZYGNEMACEAE, 
Sprroeyra, sp. Archer 332, 
San Miguel. 
S. tonaata, Kiitz.P Archer 332. 
San Miguel. 
S. princers, Cl.? Archer 332. 
San Miguel. 
