TRANSVERSE SECTIONS 



Fig. 95. — Anodonia. Three transverse sections. A, through the anterior part of 

 the visceral mass ; B, through the posterior part of the visceral mass ; C, through 

 the posterior adductor muscle. 

 au. auricle ; bL urinary bladder ; cxt.gl. external gill ; /t. foot ; /. l.j. inter- 

 lamellar junction ; int. intestine; int, gl. internal gill; /i:^. kidney ; k. 0. peri- 

 cardial gland ; Ig. ligament ; ni. mantle ; p. ad. posterior adductor ; pc. pericar- 

 diuru ; ret. rectum ; s. br. c. supra-hranchial chamber ; sh. shell ; ty. typhlosole ; 

 V. ventricle; v.c. vena cava; v.gn, visceral ganglion, v. in, visceral mass. 

 (From Parker and Haswell's Zoology, after Howes, slightly altered.) 



c c 2* 



