B-rudumo Gw# Bqoorr 
PJul Trans. MDCCCLXXlII/to XLIV. 
Rg- 2. 
Fig. 1. 
■ M. B. acl nat. del. 
W. 11. Wesley, Aim la til. 
Maclure & Macdonald, IithV? London. 
