160 



COKRESPONDENCE. 



short, curved, and flattened in a pyriform fashion, so as to appear 



as if knobbed ; whilst in bipilis, they are long, straight, and spiky 

 — i.e.^ prickly. 



Fig. 17. Fig. 18. 



Stigmatic Hair of Stigmatic Hair of 



N, lucorurn. N. bipilis. 



The two mites differ greatly in other respects, but the peculiar 

 character of the stigmatic hairs is sufficient to distinguish them. 



Yours truly, 

 Kirton-in-Lmdsey. C. F. George. 



NOTICES TO CORRES- 

 PONDENTS. 



All communications should he addressed to 

 '' Editm;" care of Mr. A. Allen, 1, 

 Cambridge Place, Bath. They must he 

 accompanied by the name and address 

 of the writers, hut not necessarily for 

 jyuhlication. 



H. E. — We hope to insert your Paper 

 in our next. 



E. Bostock, — We remember finding 

 Bacillaria Paradoxa some years ago on 

 some Foreign timber floating in the 

 Grand Surrey Docks, and we then 

 thought that both had been imported to- 

 gether. 



C. F. G.— We shall be pleased to 

 insert your promised Paper. 



J. E. — We are sorry to return your 

 Paper, but think it unsuited for our 

 pages. 



Communications received from N.H., 

 M. A. H., J. v., E. L., S. F., W. E. T. 



SALE COLUMN. 



Advert i-iements hy members arid suhscrih' 

 ers are inso-ted here at the rate of SIX- 

 PENCE /or 20 tcords, and THREEPENCE 

 for every additional 10 2cords or por^ 

 tion of 10. — — 

 Microscopic Objects for Mounting. 



Fifty preparations accurately named, 



2/6.— E. H. Philip, 4, Grove Street, 



Stepney, Hull. 



BOOKS RECEIVED. 



NoHhern Microscopist, from com- 

 mencement. 



Quekeit Journal, No. 1, New Series. 



Natural History Journal and School 

 Hejjorter, No. 51. 



The Journal (Keighley), No. 3. 



Recent Foraminifera 



Errata.— On p. 91, /o?- Echinus read 

 Echinocactus. P. 35, last line of text, 

 for "dorsal" read ''dermal." 



