MYXOGASTRAL ES 



153 



passes through a very similar series of stages in its life history 

 from the formation of the ciliated swarm spores and the develop- 

 ment of plasmodium to the formation of reproductive bodies. 

 Protomyxa, however, lives in water and never leaves it. By 

 some it has been called an aquatic slime-mould and surely shows 

 an affinity with some of the protozoans of which the common 

 amoeba is the type. A wide field is open for searching out affin- 

 ities among these lowly organisms through cytological study ; at 

 least the present indications lead one to expect considerable light 

 from this kind of investigation. 



LITERATURE. 



DaBary. Die Mycetozoen (Schleimpilze), ein Beitrag zur 

 Kenntniss der niedersten Organismen. Leipzig. 1864. (See also 

 Comparative Morphology and Biology of the Fungi, Mycetozoa 

 and Bacteria, pp. 421-453). 



Rostafinski. Sluzowce (Mycetozoa). 4to, PL /-/J>. Paris. 1875. 



This work is unfortunately locked up in the Polish language. 



Cooke. The Myxomycetes of Great Britain. I2mo, London. 



1877- 



A translation of the last named work so far as relates to British 

 species. 



The Myxomycetes of the United States arranged ac- 

 cording to the method of Rostafinski. Ann. N Y. Lye. Nat. Hist. 

 11: 378-409. 1877. 



Massee. A Monograph of the Myxogasters. 8vo. PL 1-12. 

 London. 1892. 



Lister. A Monograph of the Mycetozoa. 8vo. PL 1-78. 

 London, 1894. 



Morgan. The Myxomycetes of the Miami Valley, Ohio. Jour. 

 Cincinnati Soc. Nat. Hist. 15: 127-143. PL 3. 1893; 16: 13-36. 

 PL i. 1893; 16: 127-156. PL n, 12. 1894; 19: 1-44. PL 

 1-3. 1896. 



Macbride. The Myxomycetes of Eastern Iowa. Bull. Lab. 

 Nat. Hist. State Univ. Iowa. 2: 99-162. PL i-io. 1892; 

 384-389. PI. ii. 1893. 



Schroeter. Die natiirlichen Pflanzenfamilien, i x : 1-41. 1889. 



Atkinson. The Genus Frankia in the United States. Bull. 

 Torrey Bot. Club, 19: 171-177. PL 128. 1892. 



