NON-PROTOZOAN FAUNA OF SOIL 



357 



during the growing season. There is no characteristic fauna in culti- 

 vated land. Buckle isolated from the soil one species of Collembola, 

 35 species of Coleoptera, 6 Diptera, 2 Hymenoptora, 4 Chilopoda 

 and Diplopoda. 



A detailed study of the insect fauna of the soil has also been made 

 by Cameron, Morris and Thompson. 46 Morris found 2,475,000 



TABLE 19 

 Distribution of the invertebrate soil fauna in two plots of arable land at 



Rothamsted 1 



Insecta 



Nematoda 



Myriapoda: 



Diplopoda 



Chilopoda 



Symphyla 



Total 



Oligochaeta (Terricolae) 



Arachnida: 



Acarina 



Areinida 



Total 



Crustacea (Isopoda) . . . 



Mollusca (Pulmonata) . . 



Total invertebrata. . . . 



46 Cameron, A. E. General survey of the insect fauna of the soil within a 

 limited area near Manchester. A consideration of the relationships between 

 soil insects and the physical conditions of their habitat. Jour. Econ. Biol., 8: 

 1913, No. 3; The insect association of a local environmental complex in the dis- 

 trict of Holmes Chapel, Cheshire. Trans. Roy. Soc. Edin., 52: pt. 1, No. 2. 

 1917; Morris, 1920 (p. 352); Thompson, 1924 (p. 352); See also Diem, 1901-1902; 

 Holthaus, K. Die Siebetechnik zum Aufsammeln der Terricolfauna nebst 

 Bemerkungen liber die Oekologie der im Erdboden lebenden Tierwelt. Ztschr. 



