1U6 



GENERAL TRlNCirEES OV /.OGLOOY 



n 



Fic. 60. Fic. 70. 



Fig. 60. — Blind enil of an annelid ]")rotonc]")liridiuni wadi two conncclcd solcno- 

 c\"lcs which open A\ilh their llagcUale lul'cs into the cxcrcloi*}" duet (^after 

 Cioodrichl- 



FiG. 70. — Blind end of one of the hnest w-aler-\-aseidar eanals ik) eif a Turhellarian 

 (from LangV 11, nucleus; /, iirocesses of the terminal cell; wf, Mlame' of the terminal 

 cell; V, "\-acuole. 



\ ./^_^(,®i^ 



Fii-.. 71. Fig. 7.-. 



Fig. 71. — Re.n;mental origan of an oliu;oeha'le (from l.ant;'). /::, eilialed funnel; 

 dis, septum; 111;', non-L;landiilar, iii;-, glandular, iiarl of the canal; c/', lei minal \es\cle; 

 III, bofly-\\all. 



Img. 72. — Scheme of a mesone])hros of a vertehrate. /;, ne])hriilial tubules; 

 111, Mal|>in;hian tubules with afferent and efferent blood vessels; n, nephroslomcs; 

 t<, urinar\' duct. 



