998 SEC. 18. BIOLOGY. 



3918. Head of Tortoise (after Beauchene). 



Tramond, Paj'is. 



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 and 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 



XII. MISCELLANEOUS APPARATUS. 



3934. Heliopictor, an automatic photographic apparatus for 

 producing zoological and physiological photographs, with all neces- 

 sary apparatus, in a box. 



Dr. S. Th. Stem, Frankfort on the Maine. 



See Vogel's " Photogr. Mittheiluugen," 1873. 



3934a. Polarising Apparatus of Hoppe-Seyler. 



F. Schmidt and Haensch, Berlin. 



