THE CONCHOLOGIST. 



G. B. SOWERBY, 



121, FULHAM ROAD, LO^^DON, S.W., 



HAS THE I.ARGESr 



Stock of IRccent Shells 



Of any dealer in the world, from which selections 



may be made on the premises, or specimens sent 



for selection. 



COLLECTIONS illustrative of Generic and 

 Sub-Generic Forms, and Species. From loo to 

 5,000 species, from ^i los. to ^"500. 



Museuins, Private Collections, and Specimens 

 Classified, Named, and Arranged. 



THESAURUS CON C H YLI ORU M, by 

 G. B. SOWERBY, F.L.S., Part 44 (completing- the 

 Fifth Volume), contains a completion of the Mono- 

 graphs of the Genera CONUS and VOLUTA, 

 with Thirteen Coloured Plates. Price ^i 5s. 



ILLUSTRATED INDEX OF BRITISH 

 SHELLS. New Edition, Enlarged and Revised, 

 with Twenty-six Coloured Plates, giving a figure 

 of every known British species. Price £\ 15s. 



N.B.— G.B.S. continues to supply GLASS-TOP 

 BOXES, &c. Price Lists on application. 



As only a very few copies 

 of No. 1 of "The Conchologist " 

 now remain, single copies can 

 no longer be supplied. 



Copies of the published num- 

 bers of Vol. 1 will be forwarded 

 to those remitting Postal Order 

 3/6. As only a few complete 

 sets reniain, early application is 

 invited. 



COLOURS of MOLLUSCS, 



I shall be grateful for any information 

 or references relating to the chemical 

 constitution of the Colours of the Shells 

 and Animals ; their deposition, uses, and 

 meanings ; or an)' notes on Protective 

 Colouration in the Mollusca. 



C. C. FRYER, 



139, Fellows Road, South Hampstead, 



REPRINTS, 



Authors of Papers who may wish 

 additional copies of The Conchologist 

 may have the same at the following 

 rates, if the order is given on returning 

 the proof : — 



