DIJTERA (Continued) 



Species 



Remarks 



Observer 



References 



Oligotrophus 

 pattersoni 



Phytophaga 

 celtiphyllia 



Rhopalomyla 

 sabinae 



12qm 

 36*7 

 36 o 



6dro 



20+16 

 <?(l) 

 6a:+24 

 ? (D 



In o meiosis White '50 

 2 groups of 

 10 & 24 chroms. 

 occur. 10 chroms. 

 degenerate. 8 of 

 24 chroms. enter 

 the sperm. In o. 

 meiosis 4 bivalent 

 and 26 univ. ap- 

 pear, and enter 

 germ line. 



In & meiosis " 

 2 grs. of 20 

 ft 16 chroms. oc- 

 cur. 16 chrom. 

 degenerate. 6 of 

 20 chroms. enter 

 the sperm. In o 

 meiosis 6 biv. & 

 24 univ. appear, 

 and enter germ line. 



In q ft 6* germ " 

 line 25 



chroms. are ob- 

 servable. In o 

 meiosis 4 bivalents 

 ft 17 univalents 

 occur, and enter 

 germ line. 



Univ. Texas 

 Publ. 5007. 



ate. 4 of 8 chroms. 

 enter the sperm. In 

 o_ meiosis 4 bival- 

 ents and 16 univ. 

 appear, and enter 

 germ line. 



Walshomyia texana 



6<3m 



-198- 



