611.613 C280 v.22 Wislocki, George Bernays, 1892- ...On a series of placental stages of a platyrrhine monkey (Ateles geoffroyi) with some remarks upon age, sex and breeding period in platyrrhines, by George B. Wislocki... with five plates. (In Carnegie institution of Washington. Contributions to embryology. Washington, 1930. 29x 23 cm. vol. XXII, p. 173-192 . 5 pl.) (Continua en la ficha 2)