858 SEC. 19. EDUCATIONAL APPLIANCES. 



4089ad. Collection of preparations in wax, illustrating the 

 development of the frog. Prepared by Strembitsky. 



408 Dae. Skeleton of the Perch. Exhibited as specimen of 

 skeletons. Prepared by Strembitsky. 



4089af. Injection of the digestive organs of a Fish. 



Exhibited as specimen of preparation of fishes in alcohol. Pre- 

 pared by Strembitsky. 



4089ag. Illustration of the development of a fish (four 

 characteristic stages). Prepared by Strembitsky. 



4089ah. Specimen of stuffed fish. (Sturgeon.) Prepared by 

 Strembitsky. 



4089ai. Collection of preparations in wax illustrating the 

 development of Coregonus lavaretus. Prepared by Strembitsky. 



4089aj. Collection of preparations in wax illustrating the 

 development of Acipenser ruthenus. Prepared by Strembitsky. 



4089ak. Illustration of the development of the fish (four 

 characteristic stages.) Prepared by Strembitsky. 



4O89al. Dissected Insects, two specimens (a beetle and a 

 locust). Prepared by Strembitsky. 



4089am. Class collection of Insects, containing 25 typical 

 forms. Prepared by Strembitsky. 



4089an. Class collection of Insects on coloured plants, 

 prepared by Vaviloff and the pupils of one of the military gymnasia. 



4089ao. Class collections of Insects, the insects stuffed 

 and arranged in characteristic postures on natural branches. Pre- 

 pared by Strembitsky. 



4O89ap. Specimens of a class collection of insects in separate 

 glass boxes (idea of St. Hilaire). 



408 9 aq. Larvae of different butterflies, dried (the colour re- 

 tained). Prepared by Strembitsky. 



4O89ar. Model of the head of (Estrus with movable parts of 

 the mouth (greatly enlarged). Prepared by Strembitsky. 



4089as. Model of the head of Libellula with movable parts 

 of the mouth (greatly enlarged). Prepared by Strembitsky. 



4O89at. Model of the head of a spider with movable parts of 

 the mouth (greatly enlarged). Prepared by Strembitsky. 



4089au. Model of the head of a butterfly with movable parts 

 of the mouth (greatly enlarged). Prepared by Strembitsky. 



