The Magazine of Fantasy and Science Fiction: June 1968 (Volume 34, Number 6)
Cover by Ron Walotsky (for "The Consiousness Machine.")

Short Novel: "The Consiousness Machine" by Josephine Saxton (basis for The Hieros Gamos of Sam and An Smith.)
Novelet: "A Quiet Kind of Madness" by David Redd.

Stories: "The People Trap" by Robert Sheckley
"Settle" by Ann MacLeod
"Backtracked" by Burt Filer
"At the Heart of It" by Michael Harrison
"The Secret of Stonehenge" by Harry Harrison.

Science: "Counting Chromosomes" by Isaac Asimov.