+ n_species = len([id for id in world_db["Things"] # #
+ if world_db["Things"][id]["T_TYPE"] == live_type])
+ if 0 == n_species: # #
+ id = id_setter(-1, "Things")
+ world_db["Things"][id] = new_Thing(live_type,
+ world_db["altar"])
+ log("Species "
+ + world_db["ThingTypes"][live_type]["TT_NAME"]
+ + " has temporarily died out. "
+ + "One new-born is spawned at the altar.")