THE BRACHIOPODA. 



399 



Fig. 116.— Lateral view of the viscera of WaMheimm australU (after Hancock. On 

 Iho Cro-anizatioii of the Brachiopoda," " Phil. Traus.," 1858). a, '' dorsal ' layer 

 of mantle; ft, "ventral " layer; c, anterior walls of the body between tlie mantle 

 lobes : (I, arms ; p, irnllet; g, stomach with cut biliary ducts of the Iclt side ; r, ri'-'ht 

 bpparic mass; .<f, intestine ending cscally below; v. so-called " auricles;" o. the 

 risiht " pseudo-heart," the left being almost wholly removed ; w. pyriform vesicle 

 fixei at thp back of the stomach; z, oesophageal ganj^'lia; i,j, adductor; k, divan- 

 cator ; I, adjuster muscles ; w, peduncles. 



