46; 



q 



In the preparation of the above article we have examined the following specimens : — 



E Mus. Sharpe and Lresser. 



a, b, c, d, e,f,ff, h. Pagham, Sussex (A. Grant), i. Christiania (A. Collett). j. Denmark [A. Benzon). k. 

 Germany (W. Schluter). 1. Barcelona, Spain {H. E. D.). m. New Jersey (/. Krider). n. Mexico 

 (G. H. White). 



E Mus. J. H. Gurney,jun. 



a. Greatham, Durham (/. H. G.). b. Yarmouth (Gunn). c. Wells (Gunn). d. Blakeney (Buxton), e. 

 Worthing {Wells), f. St. Petersburg (/. H. G.). 



E Mus. E. B. Tristram. 

 a. Navarino, Greece (H. B. T.). b. Pagham, Sussex (/. E. Hurting). 



E Mus. Howard Saunders, 

 a, b, c. Malaga (H. S.). 



E Mus. Lord Lilford* 

 a. Marisma, Guadalquivir, near Seville (L.). 



