526 



MR. F. E, BEDDARD ON THE VASCULAR AND 



[May 1, 



It is correctly stated by Duvernoy * that " on voit dans un 

 long espace des traces de la trachee intrapulmonaire dans le 

 poumon unique t de V Erythrolampnt^s aescidcqni." There is not, 

 however, a distinct gutter such as occurs in so many Snakes 



Text-fio-. 92. 



Text-fi^. 93. 



Text-fig. 92. — Commencement of lung of lSrt/throIamj>rus cesculapii cut open. 

 a. Forward extension of lung along trachea ; I. Lung ; I'. Eudimentar}' second lung, 

 the orifice into which is shown in the tracheal semirings ; o. Orifice of head- 

 ward extension of lung (a) into main lung. The tracheal lung is shown in 

 front of (above) o. 



Text-fig. 93. — Lung of 'Erythrolam/prus cesculapii. 



pa. Pulmonary artery ; tr. Trachea, along which runs sj^ecial branch of 

 pulmonary artery. 



referred to in the present communication. It is a stout, though 

 narrow flat band, showing no incurving of its sides to form a 



* Le9ons d' Anatomic Comparee de Georges Cuvier, red. par G. L. I)uvernoj% ed. 2, 

 vol. vii. (Paris, 1840) p. 138. 

 f This particular statement is inaccurate. 



