^^^^■^ ANATOMY OF HY^NA CROCUTA. 89 



the same number oflobes as in H. striata ; but this was not the case 

 n our specmen. I„ Proteles the subdivision of the lunr resembles 

 that m H striata, but differs in the presence of two notdies in the 

 anterior border of the middle lobe' on the left side In re" ct 



either of the other species than they do from each other. 



Vascular System. 

 Heart.~ls short and broad, as in the other species of Hvcena Its' 

 cavuies present the usual characteristics of the carnivorourhear 

 1 he fossa ovahs is clearly defined. There is no trace of a Fus'I 

 tttUt'-- Theaorticarchgi.es off two large IZl^l oitZ^ 

 that to the nght is the innominate, which, as in the major tv of clr 

 nivora, di.ides into the right subclavian and right anTff ca oUds 

 The second branch is the left subclavian. The trunk of The at: 

 domina aorta gvves off close to its termination the two x emal 

 hac arteries, and after a further course of I inch divides into he 

 two internal iliac and caudal arteries. The origin of tie external Id 

 pea7s"? tT^'^'T. ^'^^'-Sb-nches of th^e abdominal To ap 

 Soned bv S A""r"'' occurrence, so much so that it I 

 mfeZTa WIpTk ^"^.'^•^' «^ «»^ «f the characteristics of the 

 Uidetphia. Whether this arrangement occurs in other species 

 of %..« IS not mentioned by th'ose authors who have exai^ined 



Urinary and Generative Organs. 



A'/./^ey^.-Are situated very far back, the posterior extremity of each 



lying .n the ihac fossa. The surface is smooth, and presents no trace 



of obulation. They are globular in form, and mudi resen ble the 



renal organ in the true Felid^. As in them, ^ number of arbor scent 



snTnanilt ,'7^''''^ °^ ^ ''."^t ^^'^' Py'-'''™^^, provided with a 

 . "r ^ P ' 'I"/! consequently differs in this respect from that of H 

 brunnea, m which, according to Dr. Murie\ the cones are elht in 



Z.1?. • '''' '" '^' '"-^'"'^ P^--^'""- I" ^- striata, llC::^ 

 found a similar arrangement to that described in H. crocuta The 



Brain. 



of Proofs le uT'" '" '\r^^' r'""^^'' '" ^" '•^^P^^ts that 

 pLf P. 5 .u ''^,''" '^^'"""t description has been given by 

 W !;i T 1 ' '^'*-^' ^r' '^""S*^^ '' unnecessary to enter^to any 

 lengthened description of this organ. At the same time, having re- 

 gard to his observation that the brain of the Hy^na has not TiKo 



^ 'Manual of Anatomy of Vertebrated Animals.' p .327 



irans. Zool. Soc. vol. Tii. p. 507. 

 ^ 'Essays and Observations,' by Owen vol ii 



Proc. Zool. Sop. 1877. p. 369, .and 1878, p. 417 

 * Pro-. Zool. Soc. 18r>9, p 478 ■ I' •* <■ 



