Hog CLEVE, DIATOMS. 
Amphiprora delicatula Grev. (Edinb. N. Phil. J. XVIII, pag. 
9, fig. 15—16). Length 0,073 mm. Breadth 0;015 mm. Strie 
6 in 0,01 mm. | 
Achnanthes javanica Grun. (Arcet. Diat. pag. 18). 
ÅA. seriata. Grun. (Aret. Diat. pag. 19). 
Orthoneis fimbriata (Btw.) Grun. (Van Heurck Syn. Pl. 
XX VIII, fig. 3). 
0. Clevei Grun. (1. ce. f. 4). 
0. binotata Grun. (1. c. fig. 7). 
Coceoneis Scutellum Ehb. (Van Heurck Syn. P1. XXIX, fig. 
1—12). 
C. heteroidea Hantzch (Ost Ind. Arch. Diat. pag. 21, fig. 10). 
C. pseudomarginata Greg. (Van Heurck Syn. P1. XXIX, fig. 
20—21). 
C. dirupta var. flezxella Grun. (Van: Heurck Syn. P1. XXIX, 
fig. 16). 
Epithemia Musculus Kätz. (W. Sm. Syn. I, pag. 14, PI. I, 
fig. 10). 
Plagiogramma (caribeum var.?) Labuense Cl. N. Sp. — Valve 
constricted in the middle, where there is a large annulus. 
Transverse septa in the ends not: distinct. Median raphe 
distinct. Strige, composed of separate puncta, 11 in 0,01 mm. 
Length 0,05 mm. Breadth 0,011 mm., at the constriection 0,0o7 
mm. — Pl. 37, fig. 62. 
P. Seychellarum Grun. in litt. — Valve ellipliec with rounded 
ends. Centre with a large annulus, ends without coste. Strige 
fine, transverse, absent in the middle and at the ends, 18 in 
0,01 mm., composed of fine puncta forming oblique lines (16 
in 0,01 mm.). There is a distinet median raphe. Length 0,075. 
Breadth 0,013 mm. — Pl. 37, fig. 59 a, b. 
P. interruptum var. adriatica Grun. (Van Heurck Syn. PI. 
XXXVI, fig. 1)? Transverse strie 26 in 0,01 mm. composed 
of puncta forming longitudinal strise, 26 in 0,01 mm. Median 
raphe distinct. Length 0,o56 mm. Breadth 0,008 mm. — Pl. 
37, fig. 61(A7 bi 
P. decussatum Grev. (T. M. S. XIV, pag. 1, Pl. I, fig. 22). 
P. obesum Grev. (M. J. VII, pag. 211, P1. X, fig. 12—13). 
P. tenmwistriatum OM N. Sp. — Elliptic with rounded ends. 
Central annulus large; no coste at the ends. Strix transverse, 
18 in 0,01 mm., composed of distinct puncta, which also form 
longitudinal lines. Length 0,32. Breadth 0,01 mm. — Pl. 37, 
fig. 63. 
P. pygmeuwm Grev. (M. J. VII, pag. 211, fig. 11). 
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