88 



MESSRS. WATSON AND YOUNG ON THE [Jail. 14, 



vertical fissure, which indicates as it were, a tendency towards the 

 more complete subdivision of the right lung. In respect of the 

 number of pulmonic lobes H. crocuta differs from botli the other 

 species of HycBna, in each of which the right lung possesses four and 

 the left three. Dr. Murie mentions the presence of two marginal 

 clefts in the upper lobe of the right lung of H. bninnea, which would 



Fig. 4. 



Langs of H>/mna crocuta, distended .and seen from behind. 



R. Right lung ; the figures 1, 2, 3, 4, 5, and 6 indicate the separate lobes, the 

 latter figure being placed on the so-called azygos lobe. L. Left lung ; 

 the figures 1, 2, and 3 indicate its component lobes. 



appear to indicate an approach to the arrangement described above 

 in Hycena crocuta. At the same time, tlie subdivision described by 

 that author of the azygos lobe in the former does not obtain in the 

 latter species. Meckel' states that in //. crocuta the lungs present 



> Op. at. Tol. X. p. 492. 



