42 



pale in colour. A single vibrisca springs from the interramal 

 papilla. The submental vibriscae are short and insignificant. 

 The supra orbital papilla gives rise to two backwardly-directe-d 

 tactile hairs (see fig. 4). 



Facial vibriscae (from Specimen 

 Male A, Perth). 



Brachial Vibriscae. — The ulnar carpal papilla gives 

 origin to a single very elongated bristle as well as to an 

 unusually short one. A single well-developed anconeal 

 vibrisca is present (see fig. 5). 



Brachial vibriscae (from Specimen Male A, Perth). 



There are no craral vibriscae or papillae present on any 

 of the embryos that I have examined. There are no specialized 

 cloacal vibriscae. 



Ehinarium. — The rhinarium is naked and elongated. The 

 middle line sulcus of the upper lip is well marked and grooves 

 the rhinarium to the posterior extremity of its dorsal surface. 

 The naked surface is flesh coloured, and it is granulated in a 



