A method is described whereby small numbers of eggs can be embedded compactly. Handling through reagents is achieved in 6 mm. glass tubing having a linen mesh affixed to one end, up to and including paraffin. The egg mass is then obtained and reembed-ded in a pre-cut paraffin block in which a well has been drilled. Perfect seal of the two masses is achieved with a hot needle. Some advantages of the method are described.