DISTRIBUTION OF SUBCUTANEOUS VESSELS IN GANOIDS 155 



VI. LIST OF ABBREVIATIONS USED IN THE FIGURES. 



A or P prefixed to 

 right or left ; a series 

 a. 

 A.BL 



Add.M. 



A.Fil.A. 



A.F.Tr.A. 



A.T. 



Au. 



B.Art. 



Br.A.(i}-( 



Br.A.A. 



Br.A.A.(\}. 



Br.A.L.N. 



Br.A.L. T. 



Br.F. 



Br.L.T.(z} and (4). 



Br.L.T.(i f ). 



Br.L.T.(i"). 



Br.L.T.(2'). 



Br.L.T.(i}O. 



Br.L.T.(i}V.O. 



Br.S. 



Br.S.O. 



c. 



Car. V. 



Cen. 



Ceph.L. T. 



Ccph. S. 



Ccr. 



CL 



C.L.T.O. 



Cor. A. 



Cr. 



Crb. 



C.T. 



d. 



D.Ao. 



an abbreviation signifies anterior or posterior ; R or Z,, 



is numbered from cephalad to caudad. 



In Fig. i point where injections were made with Polyodon. 



Air-bladder. 



Afferent branchial arteries i to 4. 



Adductor mandibulae muscles. 



Afferent filament arteries. 



Afferent filament transverse arteries. 



Adipose tissue in brain cavity. 



Auricle. 



Bulbus arteriosus. 



Branchial arches i to 4. 



Branchial arch artery. 



Branchial arch artery for outer surface of arch. 



Branchial arch lymphatic (venous?) network. 



Branchial arch lymphatic trunk (nutrient branchial vein?). 



Branchial filaments. 



Branchial lymphatic trunks (nutrient branchial veins?) 

 1-4. 



Combined trunk formed by the union of the third and 

 fourth branchial lymphatic vessels. 



Ventral fork of the first branchial lymphatic trunk. 



Dorsal fork of the first branchial lymphatic trunk. 



Ventral fork of the second branchial lymphatic trunk. 



Opening of branchial lymphatic trunk (i) into the hyo- 

 opercularis sinus, Polyodon. 



Opening of the first ventral branchial trunk in the in- 

 ferior jugular. 



Branchial sinus, Lepisostetis. 



Branchial sinus opening into the pericardial sinus. 



Communications between the 2 forks of the ventral trunk. 



Cardinal vein. 



Centrum. 



Cephalic lymphatic trunk, Polyodon. 



Cephalic sinus. 



Cerebrum. 



Clavicle. 



Cephalic trunk opening into hyo-opercularis sinus in 

 Polyodon. 



Coronary artery. 



Cranial wall. 



Cerebellum. 



Connective tissue. 



In Fig. 20 capillary from nutrient branchial artery. 



Dorsal aorta. 



