VI.] 



IN VARIOUS MAMMALS. 



Marsupial ia. 



Cervic Thorac. Lumb. 



I 



Pcrameles ol>esula 7 13 6 



Myrtnecohius fasciatus 7 12 7 



Phascogale flavij>es 7 '3 ^ 



Dasyurus maculatus 7 13 6 



viverrinus 7 13 6 



ursinus 7 13 6 



Thylacinus c>nocephalus 7 13 6 



Didelphys virginiana 7 13 6 



a?ane 7 . 13 6 



Chironcctcs varicgatu-s 7 13 6 



MONOTREMATA. 



Kchidna aculcata 7 16 



liruijni 7 16 4 



Ornithorhynchus anatinus ... 7 17 2 



Sacral. 



Caudal 



15 

 24 

 10 + 



19 + 

 13 + 

 16 + 



23 

 26 

 29 

 29 



II 



10 

 20 



