6 >S'. 1. Smith — Early stages of the Lobster. 



Explanation op Plate IX. 



Figure A. Lateral view of the larval young in the first stage observed, enlarged 10 

 diameters. 



" B. The same in a dorsal view, the abdomen held horizontally. 



" C. Antennula, enlarged 20 diameters. 



" D. One of the thoracic legs of the second pair, enlarged 20 diameters ; o, 

 exopodus; 6, epipodus; c branchiae. 



" E. Lateral view of the larval young in the third stage, enlarged 8 diameters. 



" F. Terminal portion of the abdomen seen from above, enlarged 15 diame- 

 ters; a, one of the small spines of the posterior margin of the ter- 

 minal segment, enlarged 75 diameters. 



" G. Basal portion of one of the legs of the second pair, showing the epipo- 

 dus and branchae, enlarged 20 diameters. 



