6 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.66. 



EXPLANATIONS OF PLATES. 



«• — anus. n. m. ovij. — uon-iuuscular portion of 



a. d. 1. — accessory dorsal lobe. ovijector. 



a. d. V. — accessory dorsal raj'. oe. — esophagus. 



a. ov. — ascending oviduct. p. I. — postero-lateral ray. 



d. — dorsal ray. s. — sphincter of ovijector. 



(I. li. — dorsal hook. ;/.— uteinis. 



d. Z.— dorsal lobe. v. — vulva. 



d. v. — ventral branch of dorsal ray. va. — vagina. 



e. d. — externo-dorsal ray. v. h. — ventral hook. 

 e. I. — externo-lateral ray. v. 1. — ventral lobe. 



I. V. — latero-ventral ray. *■. v. — vesicular swelling under dorsal 



«?'. I. — medio-lateral ray. lobe. 



m. ovij. — muscular portion of ovi- v. i\ — ventro-ventral rjiy. 

 jector. 



Plate L 



Fig. 1. — Trklwstrongylus calcaratus. Posterior end of young male, shoM'ing 

 bulb-like expan.sion of larval cuticle, with developing bursa 

 inside. 

 2-5. — yemaiodirus leporis, new species. 2, adult worms, entire. 3, bursa, 

 from left side. 4. spiciiles, entire, from left side. 5, tip of 

 spicules, from left side. 



Plate 2, 



Figs. 6-11. — Obeliscus cunicuU. 6, adult worms, entire. 7, bursa, dorsal view. 

 8, dorsal lobe and accessory parts, from ventral side. 9, spicule, 

 entire, lateral view. 10, Distal portion of spicule, dorsal view, 

 slightly medial. 11, A'ulval region of female, showing ovijectors. 



o 



