112 BULLETIN OF THE BUREAU OF FISHERIES. 



16. Vein from thymus gland ami contiguous muscles. 



17. Pharyngeal vein. 

 IS. Postorbital vein. 

 19. Interorbital vein. 

 ?0. • (phthalmic vein. 

 21. Cerebral vein. 



• Facial vein. 

 S3. Branch from inside of operculum. 



.'4- Branch from m. adductor mandibuke and angle of mouth. 

 .'■'•. Vein from nose and adjacent region. 

 '6 Vein returning blood from lips and teeth of upper jaw. 

 Ven;e advehentes of kidney. 

 28. Vena- revehentes of kidney. 

 .'/', /:<', v.<". First, second, and third dorsal branches of parietal veins. 



50. Intermuscular veins. 



51. Peritonea] veins. 



■S3. Veins from dorsal surface of swim-bladder. 



S3. Vein from lateral abdominal muscles. 



34- Vein from muscles behind the cloaca. 



85. ( 'audal vein. 



SSd. Connection between caudal vein and the right postcardinal. 



16s. Left branch of caudal vein. 



Vena? revehentes of the posterior enlarged portion of kidney. 

 88. Ventral parietal branches. 

 ■19. Branches from caudal tin. 



fO. Hepatic portal vein. 



41. Branch which receives the following eight veins | 42 to i'<. incl. i: 



/'.' < 'esophageal branch. 



;;. Vein from of rete mirabile of swim-bladder. 

 44- Pancreatic vein. 



','•. Vein from spleen and intestine. 

 46. < lastric branch. 



;;. Intestinal branch. 



48. Branch of proximal loop of intestine. 



49. Branch from distal portion of intestine. 



50. Branch from stomach and proximal portion of intestine. 



51. < iastric branch. 



52. Vein from proximal loop of intestine. 



LITERATURE. 

 Allis, E. P. 



1901. The Pseudobrancbial Circulation in Amia calva. Zoologische Jahrbiicher, Band XIV. 



Allis, E P 



1897. The Cranial Muscles and Cranial and First Spinal Nerves in Amia calva. Journal of Mor- 

 phology, Vol. XII. 



Ayres, H. 



1SS9. The Morphology of the Carotids, based on a study of tin- I'.lood Vesselsof Chlamydoselachus 

 anguineus. Bulletin of Harvard College, Vol. XVII. No. 5. 

 Boas, .T. E. V. 



1SS0. fiber Her/, und ArterienboL'en bei Ceratoilus und Protopterus. Morphologisches Jahrbuch, 



band li. 



Boas, .1. E. V. 



isso. Uber den ("onus arteriosus bei Butirinus und bei anderen Knochentischen. Morphologisches 

 Jahrbuch, Band 6. 



