ing around over the sprinkling of sand in his 

 saucer, with an accumulation of debris already 

 covering his diminutive back. 



V 



Doubtless the discerning reader has been won- 

 dering how it has been possible for me to indicate 

 the sex in so young a crustacean of this kind, how 

 I could so confidently apply a masculine name to 

 an organism in which sex-identity has not yet ap- 

 peared. Well, the truth is, I have been maintaining 

 a sort of fiction; sex differentiation does not occur 

 in the larva; but owing to a customary habit in 

 my household of giving to undetermined or neuter 

 animals such names as only are applied to males, 

 Little Jim was so called from the start. But now 

 I am obliged to make the embarrassing admission 

 that in the present case if we were not actually 

 presumptuous we at least were premature. For 

 later "Little Jim" proved to be a "Little Lena." 



"Big Lena" would be perhaps the apter term, 

 to-day. Since the time, two years ago, when her sex 

 was discovered and a hurried change in name was 

 made, she has achieved her normal adult size. Not- 

 withstanding, she still bears the appellation of her 



[259] 



