TRANSACTIONS OF MICROSCOPICAL SOCIETY. 
DESCRIPTION OF PLATES I & II, 
Illustrating Dr. Greviile's paper on New Diatoms. 
Series XIV. 
1. — AuUscus Barbadensls. 
2. — „ notatus. 
3. — BiddulpMa spinosa, 
4. — „ Jimbriata. 
5 . — Tyxilla Barbadensis. 
6. — „ JoJinsoniana. 
7. — Plagiogramma Wallichianum, front view. 
8. — „ side viev/. 
9.— 
CresHtoellia Palmeriana. 
10.- 
j> 
cylhidracea. 
11.— 
jj 
Barbadensis. 
12.— 
)i 
spharica. 
13.— 
>) 
niinuta. 
14.- 
Liradisci 
IS Barbadensis. 
15.— 
>> 
ovalis, side view. 
16.— 
„ front view. 
17.- 
Triceratiwn cancellatum . 
18.— 
Kittoniamm. 
19.— 
)i 
nitescens. 
20.— 
5> 
neglectum. 
21.— 
)J 
acceptuni. 
22.— 
55 
Atomus. 
23.— 
'J 
Dobreeamm^ side view. 
21.— 
front view. 
25.— 
-1 
exornatum. 
2G.— 
?> 
quadrangulare. 
All the figures are X 400 diameters. 
