XXXVII ACTIVITIES AT 70 YEARS 201 



by W. T. and Norman, there is no intention whatever 

 on my part of making out that you were inaccurate. 

 I owe to your interesting little book my first knowledge 

 of the Crab in question, and am very grateful to you 

 for it. I shall refer to you as an unconscious prophet 

 if — as seems likely — you were not provided with 

 unpublished details, — Sincerely yours, 



E. Ray Lankester. 



It seems as if he really had to be credited 

 with the gift of prophecy, for he does not appear 

 to have been at all able to inform Sir Ray 

 Lankester of the source of his information. 



M. Milne - Edwards, however, writes, with 

 regard to specimens of Cymonomus granulatus, 

 that " Comme ces specimens habitent des pro- 

 fondeurs tres variables (de 300 a 350 metres), 

 on pent conclure que la transformation des yeux 

 en pointes rostrales est fonction, non point de la 

 distribution bathymetrique, mais de la distribu- 

 tion geographique." 



That is to say that he thinks the difference is 

 found in different places, rather than at different 

 depths, the modification of the eye peduncles to 

 rostra being a peculiarity of the more Northern 

 variety, for which Professor Ray Lankester 

 suggests rank as a separate species under the 

 name of C. Normani.^ 



On the 17th they went down, a family party, 

 Lord and Lady Avebury, Ursula, Irene, and 

 Harold, to be guests of Dr. Butler, the Master 

 of Trinity, for the British Association meeting 

 at Cambridge. There were also, staying at the 

 Lodge, Mr. A. J. Balfour, Mrs. Griffith, and 



1 Expiditions scientifiques du " Travailleur" el du "Talisman" : 

 Cruslacies Dicapodes, par A. Milne-Edwards et E. L. Bouvier, p. 39. 



