Plate V. 



Fig. 1 — 4 represent median sagittal sections. 

 Fig. 1. MicHocoTYLE FUSIFORM IS. X 305 cliam. 

 „ 2. MicRocoTYLE ELEGANs. X 305 cliam. 

 „ 3. MicRocoTYLE CAUDA! A. X 305 cliam. 

 ,, 4. MicEocoTYLE cHiRi. X 204 cliam. 

 „ 5. MiCROcoTYLE RETICULATA. Median portion of the cross-section of 



tlie body through the vaginal opening, x 204 diam. 

 „ 6. The SAME. Median portion of a cross-section of the body through the 



terminal portion of the vas deferens (6tli section from the common genital 



opening, each=0.01 mm.), x 204 diam. 

 „ 7. MiCRocoTYLE TRUNCATA. A Small portiou of a horizontal section 



of the testes, x 305 diam. 



