GG 



SIR t'HARLKS ELK/r OX 



Text-fiij. 3. 



[M:.yG, 



General view of the intestines of Crosslandia viriJis. — The body has been opened 

 bv a cut made somewhat to the right and dividina- tlie heart in two. 



a., auricle. 

 b., buccal mass. 

 f>r., branchial tuft. 

 c.ii.s., central nervous sj'stem. 



One branchial tuft enlarg-ed is shown soparatelv 



[C] 



$ ^ $ "> § ■*> three hermaphro- 

 dite g'lands. 

 ffl., wland on oesophag-us. 

 «., intestine. 



k., kidney. 

 /., liver. 

 v., ventricle. 



