HETERQPTERA (Continued) 



Species 



Chromosome Number 

 2n n 



Remarks 



Observer 



References 



M. granulosus 



M. granulosus 



M. trenunalls 



26s 

 26o 



28o 



22s 

 22o 



23s 



23o 



24s 

 2^o 



25 s 

 25o 



26 s 

 26o 



21s 



22s 

 22o 



23s 



23o 



2Us 



2Uo 



25 a 

 25o 



26s 

 26o 



16$ (1) X-Yo\ k 

 11-15^(11) Supernu- 

 meraries. 



6 supernu- 

 meraries 

 occur. 



l2o\l) X-Y$; X 

 ll£(ll) disjoins 



from T 



in I-div. 



13^(1) X-Yo\ 1 



ll,12fr(ll) Sapernu- 

 merary. 



1^(1) X-Yo\ 2 



11,125(11) Supernu- 

 meraries. 



15jf(l) X~Yo\ 3 Wilson »C7, 



113(11) Supernu- '09 

 meraries. 



16$ (1) X-Yo\ k 



1H5*(H) Supernu- 

 meraries. 



Wilson '07, '09 B.B. 12; J.E.Z. 6. 



ll&l) X-0$ 



10,118(11) 



lio^d.n) « 



12o*(l) X-Yo" 



11^(11) 



13o*(l) X-Yo\ 1 



11,12^(11) Supernu- 

 merary. 



1^(1) X-Yo\ 2 

 ll,12$(ll) Supernu- 

 meraries. 



15|(D X-Yo\ 3 



lld(ll) Supernum- 

 eraries. 



163(1) x-yj. k 

 11-156(11) Supernum- 

 eraries. 



Montgomery 

 ■01, '06 



Wilson '07, 

 •09 



B.B. 12; J.E.Z. 6. 



Trans. Am. Phil. 

 Soc. 20, 21. 



B.B. 12; J.E.Z. 6. 



-131- 



