'Antonio Alzate." 



quantity of water a kind of microscopical snakes in move- 

 ment (Fig. 66-71) and many cells endowed with a great power 

 of contraction and extension, according the osmotical pressu- 

 re, appears. They have probably an alveolar structure. 



8. A small quantity of american peptone ( with aicali ) 

 and oleic acid shows an amaeboid or flagellated form, immo- 

 vable, but if a fresh quantity of acid is added, it becomes a 

 mass of Biitschli (oil and sugar} or an interesting imitation of 

 the structure of protoplasm, with granulations aad circles, 

 as in the drawings of Kunstler. (Fig. 73-76 ) 



9. Oleic acid combined with common caustic soda or the 

 same in alcoholic solution added with ammonia and water, 

 presents sometimes the appearance of a colony of Bacterium 

 tertno, every crystal of carbonate or every particle being invol- 

 ved with a pellicle of oleate. (Fig. 52.) 



10. A particle of caustic soda added with water and ca- 

 prinic acid produces a disk with sirfall holes, as in Foramini- 

 fera, many articulated lines or dendritieals and several imita- 

 tions of Bacteria. (Figs. 49, 50, 51 and 77.} 



11. The potassium oleate shows in a drop of water many 

 pseudo podia which stretch and contract as in Vortkella, and 

 also an imitation of the tufts of nucleolus. (Figs. 6 and 7.) 



12. Vapors of ammonia reaching a drop of oleic acid in 

 water affords many little drops turning in every direction. 



13. By macerating oleate of ammonia in a small quantity 

 of water or Pfeffer solution the following is obtained: 



2. 4 day. Many tubes floating and forming a kind of textu- 

 re. (Fig. 163.} By adding water there appear microscopical 

 snakes knotting and untying themselves. (Fig. 152-161.) 



Also a vesicle with deformations by rupture, heavy and 

 transparent. 



3 d day. A mass of transparent drops, one or two of them 

 extending in the water and acquiring ramifications or growing, 

 moving and contracting as a worm (Limnodrilus) and resting 



MemorUs. (1900-1901! T. XV.— 4. 



