O'Reilly — On the Orientation of Some Cromlechs. 60 1 



seem to have been purposely so selected or fashioned, as to present 

 thatf6rm. He estimates the probable weight of the covering stone 

 at about seventy tons, and discusses the probable original form of 

 the monument, and gives a restoration of it in accordance with 

 his views. As to the stones mentioned by him as lying about, and 

 still existing, and which he suggests may have formed part of the 

 monument, such as he supposes it to have been, I have shown them on 



Fig. 1. — Mount Venus. 



the plan (fig. 1), and call attention to their forms, which are remarkable 

 in many .respects. The largest stone to the west is really a very fine 

 monolith (D), having an approximate weight of about seven tons, and 

 an extreme length of 4 m. 40, The edges of its western end have evi- 

 dently been fashioned by hammering or chipping so as to give to this 

 extremity a pointed or mitred form, as in the case of certain of the 

 pillar-stones of Glen Druid and Howth cromlechs. The most easterly 



