become accepted as common ancestors of mankind 39:5.1(436;5), 51:6.6(587;4)
chief business is to multiply and biologically uplift children of time 51:3.3(583;2)
connecting links between spiritual and physical worlds 51:1.6(581;3), 51:6.5(587;3)
contribute life plasm to evolving races 39:5.3(437;2)
dematerialized for transport to assigned world 51:2.1-2(582;1)
dependent for continuing life on unbroken intellectual synchrony with cosmic energies, mind-gravity circuit 51:1.4-5(581;1), 55:4.27(629;8), 75:7.4-6(845;4)
dispatched and directed by System Sovereign 35:9.5(393;5), 49:5.17(567;4), 51:2.1(582;1)
dispatched when human biologic evolution attains highest level 39:5.3(437;2), 52:3.1(592;6), 67:6.7(760;2)
dual circulatory systems, from physical nature and from tree of life 75:7.6(845;6)
engraft higher forms of life on primitive men 50:1.4(573;1)
Life Carriers restore to life upon arrival 51:2.2,4(582;2)
no immediate breeding of children with mortals 51:3.3(583;2), 52:3.5(593;4)
no technique for leaving world during evolutionary ages 51:2.3(582;3)
not intended personally to mate with humans; their progeny do 51:5.3(585;7), 52:3.5(593;4)