XXll 



Pape 



:?27. Adapical view of test (if an abuoriiml Ambliipneustcs 7Jo 



228. Ajjical system of an abnormal Ambli/pneiistes 716 



229, 230. Abnormal ambulacra of Ambhjpneustes 717 



231. The thoracic vena cava inferior of a Walrus 733 



232. Clitoris and prepuce of a Walrus, seen from the side 735 



233. The ovary and ovarian sac of a Walrus, seen from the dorsal 



aspect 736 



234. Bile and pancreatic ducts of a Walrus and their mode of entry 



into the intestinal cul-de-sac 737 



235. Bullock's Museum, 22 Piccadilly 7^-4 



236. 237. Lateral and dorsal views of shell of Mya arenaria 753 



238, 239. Lateral and dorsal vieAvs of shell of Mya truncata 754 



240. Lateral viev? of left shell of young Mya truncata 754 



241. Hinge of Mya arenaria , 755 



242. Hinge of Mya truncata „ 755 



243. Hinge of Mya truncata, var. ovata . 755 



244. Map showing piesent range and probable former range of 



West Australian mammalian fauna 804 



245. Map showing Mammalian Faunisiic region of Western 



Australia 805 



246. Map showing distribution of Macropus yiyanteus 806 



247. Map showing distribution of Macrujms rohustus cervinus .... 808 



248. Map showing distribution of Mac7-opus robustus erubescens .... 809 



249. Map showing distribution of Macrupus I'ufus 810 



250. Map showing distribution of Macropus irma . 811 



251. Map showing distribution of Macropus eugenii 812 



252. Map showing distribution of Macropus brachyiirus 814 



253. Map showing distribution of Petroyale lateralis and P. I. 



hacketti 815 



254. Map showing distribution of Onychoyale lunata 816 



255. Map showing distribution of Layoslrophus fasciatus and L. f. 



albipilis 817 



256. Map showing distribution of Layorchestes hirsiitus, L. h. ber- 



nieri, and L. h. dorrece 820 



257. Map showing distribution of Bettongia penicillata 821 



258. Map showing distribution of Bettonyia lesueuri and B. I. grmji. 823 



259. Map showing distribution of Potorous platyops 824 



260. Map showing distribution of Poturous yilberti 825 



261. Map showing distribution of Tarsipes spenserce 827 



262. Map showing distribution of Dromicia concinna 828 



263. Map showing distribution of Pseudochirtis occidentalis 829 



264. Map showing distribution of Trichosurus vulpecula 830 



265. Map showing distribution of Thalacomys layotis 832 



266. Map showing- distribution of Isoodcm obesulus 834 



267. Map showing distribution of Peramcles buiujainiillei riiA. P. b. 



myosuros 835 



