Fig. 5. — Dorsal view of Adder. Elect rot;raphfd by Mrs. Grifford and Miss Baylis, with a tube by 

 Mr. A. C. Cossor. Exposure, ten minutes. (Marcli 5th, 1896.) 



Fio. 6. — Hand and Forearm of Sylvia Gifford, aged 6, sbowing; incomplete ossification. Electrographed by Mr. J. W. Grifford. Tube by Mr. C. Baker. 



Exposure, one minute. (Marcli 14th, 1896.) 



