jl f an and Mamrnifera, Ma7n . JSnjbryo . CbrnzndndFowL. Crop . Ska te - lamprey ■ 
.Fhib. Trans. MD CC CXLVI . SZataJ. p. 84 . 
The Blood- co?-puscZe in, its different- jP'/vases of 
developinerub in Vertebrate Vru/n. air . 
1 st Those 2”? Phase, 3 1 ? Those 
GraTLzUe' Cell. Nucleated Cell- -Free. CeZZce/brrro Nucleus . 
.All the object,? Aerc represented are ma/friz/ied 55 o diameters. 
The Truer o scope cl corrcpozoid one Try .Ross. — die object yloss jfd 1 T7ich/. 
