Note 393 — Chapter XII · (continued 3)
Reading edition
The peculiar oval, or at times slightly rectangular and striated yolk spherules of Elasmobranchii are mentioned by Leydig and Gegenbaur (Pl. 11, fig. 20), and myself, Preliminary Account of Development of Elasmobranch Fishes, and by Filippi and His in Osseous Fishes.