PLATE LXXXIII 



Figure 1. 



Figure 2. 



Figure 

 Figure 



3. 



4. 



Figure 5. 



Superficial dissection of Argas persicus, 9 , displaying 



the alimentary tract. X 12. 



Deep dissection of same, displaying the reproductive 



organs. X 12. 



Dissection to expose triangular area containing the 



brain of Argas persicus (see page 659). X 15. 



Superficial dissection of Ornithodorus savignyi, 2 , 



displaying the alimentary tract. X 9. 



Deep dissection of same, displaying the reproductive 



organs. X 9. 



Reference letters 



a.b. Anterior branch of antero-lateral di- 



verticulum. 



a.g. Accessory gland. 



a.m.d. Antero-median diverticulum. 



a.l.d. Antero-lateral diverticulum. 



br. Brain. 



chp. Chitinous plate. 



eg. Coxal gland. 



cs. Cystic swellings. 



eb. External branch of postero-latecal 



diverticulum. 



e.p.d. External branch of posterior diver- 



ticulum. 



ga. Genital aperture. 



go. Gene's organ. 



hi. Hind intestine. 



ib. Internal branch of postero-lateral 



diverticulum. 



i.p.d. Internal branch of posterior diverbi- 



culum. 



l.d. Lateral diverticulum. 



m.b. 



md. 



mi. 



mp. 



o. 



oe. 



ovd. 



ov. 



P- 



pb. 



ph. 

 r. 

 rd. 

 sd. 



sg- 

 tr. 

 ut 

 va. 



Median branch of antero-latera 



diverticulura. 



Mandibles. 



Mid-intestine. 



Malpighian tubule. 



Ovum. 



Oesophagus. 



Oviduct. 



Ovary. 



Palp. 



Posterior branch of antero-latera 



diverticulum. 



Pharynx. 



Rectum. 



Rectal diverticula. 



Salivary duct. 



Salivary gland. 



Tracheae. 



Uterus. 



Vagina. 



