PARASITES OF ELEPHANTS. 



225 



the outlet of the cephalic glands. The two lateral head papillte 

 do not pi^oject above the surface, and are marked by a slight 

 depression. They are conical in shape with a wide base. 



Cervical jiCopillcB. — The cervical papilUe are very thin, long, and 

 point cephalad. They are placed 1-4 mm. in the female and 

 1'14 mm. in the male from the head end. 



Mouth caqyside. — The mouth cavity is very large and almost 

 globular in shape. It is •12 mm. long and -15 mm. maximum 

 diameter. The oral opening is '07 in diameter. The mouth 

 capsule is a massive chitinous structure '07 mm. in length and 

 •025 mm. in thickness. It is slightly curved inwards. A fine 

 chitinous process of the mouth capsule bounds the oral cavity in 

 the region of the mouth colhir. The broad floor of the oral 

 cavity is free from any teeth. 



Text-figure 17. 



Text figure 18. 



Mursliidia hadia Khalil. 

 Ovum. 



Mursliidia hadia Khalil. 

 Tail end of female. 



(Esophagus. — There is a cone-shaped cesophageal funnel. It is 

 •06 mm. in length and '1 mm. at its junction with the oral cavity. 

 The oesophagus is broad for its length. It is ^85 mm. long in the 

 male and "9 mm. in the female. Its maximum diameter is 

 •26 mm. in the male and ^34 mm. in the female. The caudal end 

 of the oesophagus projects into the beginning of the chyle intestine, 

 forming three small lobules. 



