Quain's elements of anatomy . Fig. 720.—Transverse sec-tion THROUGH THE EMBRYOOP the CHICK AND BLASTO-DERM AT THE END OPTHE FIRST DAY. MAGNIFIEDFROM 90 TO 100 TIMES, (From Kolliker.) Fig. 720.

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Keywords: ., boo, bookcentury1800, booksubjectanatomy, booksubjecthumananatomy