611.013 C280 v.27 Brewer , John Isaac , 1903 - A human embryo in the bilaminar blastodics siage (the Edwards-Jones-Brewer ovun) ; with nine plates . (In Carnegie institution of Washington . Contributions to embryology . Washington , 1938 . 29 x 23 cm . vol . xxvii , p . [85]-94 9 pl . Descriptive letterspress on versos facinf the paltes . Bibliografía : p . 93 .