XI. INSTRUCTION. <S4l 



3918. Head of Tortoise (after Beauchene). 



Tramond, Paris. 



3919. Skeleton of Young Chimpanzee, Tramond, Paris. 



3920. Skeleton of Gibbon. Tramond, Paris. 



3921. Skeleton of Crane. Tramond, Paris. 



3922. Skeleton of Adult Beaver. Tramond, Paris. 



3923. Model, showing Muscles mid Nerves. 



Tramond., Paris. 



3924. Entire Head, showing Nerves, Vessels, Sinus, 

 &c. Tramond, Paris. 



3925. Anatomy of the Eye, in 13 pieces. Tramond, Paris. 



3926. Two Foetuses. Tramond, Paris. 



3927. Complete Circulation in the Foetus. 



Tramond, Paris. 



3928. Skeleton of Rattlesnake. Tramond, Paris. 



3929. Lymphatic Vessels, natural size (vulva). 



Tramond, Paris. 



3930. Lymphatic Vessels, natural size (tongue). 



Tramond, Paris. 



3931. Lymphatic Vessels, natural size (leg and foot of a 

 child). Tramond, Paris. 



3932. Lymphatic Vessels, natural size (portion of the large 

 intestine). Tramond, Paris. 



3933. Lymphatic Vessels, natural size (half the head of a 

 foetus). Tramond, Paris. 



3933a. Collection of Preparations of the Nervous 

 System of Molluscs. 



Ph. Owsiannikov, University of St. Petersburg- 



1-3. A whole nerve-ganglion and two sections, from a thetis. 



4. Aeolis. 



5, 6. Gastropteron. 



7. A Bulla, with eyes. 



8. Umbrella. 



9. Pleurobranchus. 



10. Pleurobranchus, section of a nerve-ganglion. 



11. Aplysia. 



12. Lobulus electricus (Rajae). The section is made of a brain preserved 

 for three years in spirit, the cells and fibres are still seen very well. 



13. Dentalium. 



