The birth-time of the world and other scientific essays
- Joly, John, 1857-1933.
About this work
London : T. Fisher Unwin, 
xv, 306 page, folded leaves of plates : illustrations, maps ; 23 cm
"This volume contains twelve essays written at various times during recent years. Many of them are studies contributed to scientific reviews or delivered as popular lectures"--Pref., p. xi.