98 



NILS HJ. ODHNER, STUDIES ON RECENT CHAMIDAE. 



Reference letters on the figures. 



a. a. aorta anterior. 



a. ax. axial arteria. 



a. g. arteria gastrica. 



a. p. aorta posterior. 



ad. a., ad. p. adductor anterior, posterior. 



b. g. buceal ganglia. 

 br. branchiae. 



br. a. branchial axis. 



c. cerebral ganglia. 



c. f. ciliated funnel of nephridia. 



co. nephridial communication. 



c. s. coecal sac. 



e. exteriör sac of nephridia. 



f. foot. 



g. f. genital folliculi. 

 g. o. genital opening. 

 h. heart. 



int. intestine. 



L. ligament. 



LPI, II posterior lateral tooth I, II. 



1. liver. 



1. d. liver ducts. 



1. p. 



labial palps. 



M 



marginal tooth. 



MA, MP 



anterior, posterior muscular scar. 



m. 



mouth. 



n. o. 



nephridial opening. 



oe. 



oesophagus. 



p. 



pedal slit. 



per. 



pericard. 



P- g- 



pedal ganglia. 



pl. 



plica of branchiae. 



pr. 



principal filament or vessel. 



p. t. 



pericardial tube. 



r. p. 



retractor pedis. 



s. 



septum. 



S\. 



anal siphon. 



S\\. 



branchial siphon. 



s. f. 



siphonal fold. 



st. 



stomach. 



v. a. m. 



axio-marginal vein. 



v. ax. 



axial vein. 



v. g. 



visceral ganglion. 



v. m. 



marginal vein. 



