160 



DOCHMIUS CERNUUS, Creplin. 

 Plato XXII. 



Fig. 1. Adult male, X9: la, natural size. 



Fig. 2. Adult female, X 9 : 2ffl, natural size ; 6, vulva. 



Fig. 3. Cephalic eud of male, ventral view: a, head; b, b, oesophagus; e, c, necJi 

 papillae; d, opposite ventral cleft out of which the unicellular gland 

 ducts e, e, empty by a common tube, /; g, unicellular glands ; h, h, two 

 ends of the seminal tubes ; i, i, i, seminal tube ; Tc, k, intestine. 



Fig. 4. Head, dorsal view : a, mouth ; 6, 6, the ohitinous oral teeth on the left side ; 

 c,c,c, three papillos ou right side; d, dorsal teeth; e, e, neck glands; /, 

 oesophagus. 



Fig. 5. Head, right side. Letters as in Fig. 4: g, ventral teeth; A, chitinous 

 capsule. 



Fig. 6. Pharynx and lower part of capsule of head, ventral view : a, the cut edge 

 of capsule; 6, the dorsal tooth; c, c, ventral teeth ; d, pharynx, in which 

 are six club-shaped bodies, which seem to be appendages of the chiti- 

 nous rods of the oesophagus; e, oesophagus; /, enlarged club-shaped 

 body, which is chitinous and covered with rough points. This apparatus 

 seems to be for mastication. 



Fig. 7. Middle portion of female, X 30 : a, vulva ; b, vagina ; c, c, portions of cephalic 

 uterus ; d, d, caudal uterus with eggs; e, oviduct ; /,/, cephalic ovary ; g, g, 

 caudal ovary ; It, h, iutestiue. 



Fig. 8. Eggs : a, a, from ovary ; J, in oviduct ; the rest from the uterus in varioue 

 stages of cell division ; c, as they are expelled. 



Fig. 9. Bursa: a, ventral costse ; b, ventro-lateral ; c, lateral; d, latero-dorsal ; e, 

 dorsal. The two sides are nusymmetrical. 



Fig. 10. Spicula. 



Fig. 11. Portion of spiculum showing fenestrations and openings into the tube : a, 

 tube ; 6, wing. 



