NO. 2131. NEMATODE PARASITES OF RODENTS— HALL. 15 



especially along the short diameter, ranging from subspherical to 

 cylindrical, and are 62 to 72 /x long and 25 to 56 fi wide ; the opercular 



imm. 



Fig. 11.— Teichosomoides crassicauda. Matuke female with male in uteeus. 



plugs are not prominent ; the eggs become dark brown in the vagina 

 and here also may be seen what is apparently extra shell material 

 being passed out. Eggs contain embrj^os wdien oviposited. 



