ALGIA 



131 



PAd PLV Aa AJTC RC Coe 



PalA i PPetl TJ • V : P,C\AB 



Pal 133 



APA 



AAd 



Fig. 131.— Dorsal view of heart exposed in the pericardium. 



Fig. 133. — Gastro-intestinal arteries seen from above. From dissection of a specimen which had been injected with carmine- 

 gelatin mass. 



Fig. 133. — Lateral view of mantle showing arteries injected with carmine -gelatin mass. 



Abbreviations.— A, aorta (fig. 131), anterior aorta (fig. 133); AAd, anterior adductor muscle; AB, aortic bulb; ALGIA, 

 anterior left gastro-intestinal artery; ALV, anterior longitudinal vein; /In. anus; AOV, afferent oblique vein; APA, anterior 

 pallial artery; A RGJA , anterior right gastro-intestinal artery; A «, auricle; A YC, auriculo- ventricular canal; CA, coeliac 

 artery; Coe, coecum; DI, direct intestine; GIA, gastro-intestinal artery; /.-l.intestraalartery; //M.intermediatepallialartery; 

 LRA, left recurrent artery; PA, pericardial artery; PAd, posterior adductor muscle; Pal, pallial muscles; PalA, arterialnct- 

 work of pallial muscles; PC, pericardial cavity; PC, pericardial gland; PLGIA, posteriorleft gastro-intestinal artery; PLV, 

 posterior 1 ongitudinal vein; PPA , posterior pallial artery- PRet, posterior retractor muscle; PRGIA , posterior right gastro- 

 intestinal artery; R, rectum; RC, reniperi cardial canal; RJ, recurrent intestine; RRA, right recurrent artery; St, stomach; 

 77, terminal intestine; V, ventricle, 



149 



