PLATE XfX. 



Class CRUSTACEA. 



THE LOBSTEK (Homarus vulgaris). 



FIG. 1. DORSAL SURFACE : APPENDAGES REMOVED, x f . 



r. rostrum: c. s. cephalo-thoracic shield: b. branchiostegite : s. l ,s.* 

 segments of the abdomen : t. telson. 



FIG. 2. VENTRAL SURFACE, x J. 



m. mouth : g. genital openings (male) : a. anus. 



FIG. 3. DISSECTION FROM THE DORSAL ASPECT, x |. 



s. stomach : r. reproductive organs : L, 1. liver : m. muscles of the 

 abdomen : h. position of the heart. 



