XX 



Lateral view of the skull of Canis azarce 242 



Lateral view of the skull of Canh vulpes 242 



Crowns of the cheek-teeth of Canis azara and C. vulpes 243 



Longitudinal sections of the skulls of Canis azarce and C. vulpes . . 246 

 Superinipossd outlines of the casts of the cranial cavities of Canis 



azarce and C. vulpes 247 



Crowns of the cheek-teeth of Canis arffetitatus and C. littoralis 249 



Upper and lower cheek-teeth of Canis hqnis and C. azarce 250 



Dorsal aspect of the right half of the skull of Canis azarce 251 



Dorsal aspect of the left half of the skull of Catiis littoralis 251 



The left ramus of the mandible of Canis azarce, C. littoralis, and 



C fvlvipes 252 



Dorsal view of the skull of Canis fulcipes 2-54 



Dorsal view of the skull of Otocyon Mandii 257 



Lateral view of the skull of Otocijon lalandii 258 



Lower and upper cheek-teeth of Otocyon lalandii 260 



Lower sectorial tooth of Otocyon lalandii, Canis zerda, and C. lupus 260 



Right ramus of the mandible of Perameles, Procyon, and Otocyon 263 



Side view of the skull of Ictiajon vetiaticus 268 



Upper and lower cheek-teeth of Jcticyon venations 269 



The Koala 355 



Left foot of Cymhirhynclms tnacrorhynchus 382 



Syrinx of JEurylcemus ochrumelas 384 



Syrinx of Cyinbirhynchus 385 



Palate of Philepitta castanea 388 



Syrinx of Philepitta 389 



Apus duJcianus 392 



Skull of Bassaricyon alleni 398 



Upper jaw of Bassaricyon alleni 398 



Lower jaw of Bassaricyon alleni 399 



First upper tooth of Ursus japonicus and U. americanus 442 



Head of Natalus micropus 444 



Head of Lemur macaco 451 



Head of Lemur nigerrimus 451 



Bones of fore limb of Antechinomys and Antechiniis 467 



Bones of hind limb of Antechinomys and Antechinus 457 



Stomachs of Antechinomys and Ardechinus 458 



Liver of Antechinomys 469 



Right foot of Leptosoma '• 466 



Wing-muscles of Leptosoma 470 



Deep plantar tendons in Leptosoma 472 



Syrinx of Leptosoma 478 



Head of Prongbuck, showing the new pair of horns the day after the 



shedding of the old ones 540 



Horn of Prongbuck, drawn the day after the shedding of the old 



horns • 541 



Horn of Prongbuck, one month after the shedding of the old horns 642 



