890 VINE : POLYZOA AND MICROZOA OF YORKSHIRE AND NORFOLK. 
Hiuistaiitoii and Speetoii. The Speetoii forms, however, are con- 
siderably larger in the chambers than in the Hunstanton Red Chalk, 
and I find examples of the species in sections from the whole of the 
layers A, B, C. In the finely sifted debj-ia of the middle and top 
bands, mounted as transparencies of course, I also met with small 
examples. Ai Speeton, in sections of the chalk which overlie the 
Red Bed, and also at Hunstanton, the G. bulloldes, as well as the 
next species, are common. 
Horizons : Red Chalk, Hunstanton and Speeton ; White (or 
grey) Chalk over Red Clialk, Hunstanton and Speeton : Cambridge 
Grreensand (Phosphate Beds). 
7. Globigerina cretacea, d'Orb. 
Found under similai' circumstances as No. 6. 
Horizons : Same as No. G. 
8. Planorbulina amnionoides, Rss. 
Rare otlierwise than in sections of Red Chalk. 
Horizons : Red Chalk, Speeton and Hunstanton ; Camb. 
Greensand. 
9. Rotalia Beccarii, Linn. 
I believe that this species has only once before been found in 
the Chalk, by Mr. Joseph Wright. Mr. Sherborn says "The Rotalia 
Beccarii is most important, and as far as I can see unassailable."" 
Horizon : Red Chalk Hunstanton, Top Band A. 
Only on the day before the presentation of my paper to the 
Yorkshire Geological Society (Nov. 4th, 1890), I received from 
Mr. C. D. Sherborn, a copy of his elaborate paper on the Forami- 
nifera of the Red Chalk of Yorkshire, Norfolk, and Lincolnshire.! 
This is a valuable contribution to the literature of the Foraminifera, 
especially so on account of the four plates of illustrations of the 
species described. My own work, however, as given above, was pre- 
pared altogether independently of the knowledge that other authors 
* The slide containing- nearly all the specieB of Foraminifera and Ento- 
moEtraca described or referred to above has been given to the Brit. Museum 
(S. Kensington), and many of ihe Foraminifera described by Mr. Sherborn are, 
I believe, also placed in the Museum. 
t By H. W. Burrows, C. Davies Sherborn, and the Rev. George Bailey. 
Journal of the Royal Microscopic Soc. (1890), pp. 549-566. 
