PLATE LXXXIX. 



[Part IX.— November 1899.] 



AusTENiA GiGAs, sDiall vaF. Khasi Hills. 



Fijr. 1. Generative organs, side view, different parts in relative position (=fig. 1, pi. xxv. 

 P. Z. S. 1880), X 2. 



2. Ditto, viewed from above ( = fig. 2, pi. xxv. P. Z. S. 1880), x 2. 



3. Ditto, removed from the animal ( = fig. 3, pi. xxv. P. Z. S. 1880), x 2. 



4. (Esophagus, mucous gland, and anterior loop of the vas deferens showing position 



of ( = fig. 4, pi. xxv. P. Z. S. 1880). 



5. The amatorial organ cut open, exposing the muscular dart or roil, miicli enlarged 



( = fig. 7, pi. xxvi. P.Z. S. 1880). 



Al.gd, albumen-gland ; Bcdm, central dorsal muscle of buccal mass ; {Brd)m, m{Bld), 

 right and left dorsal muscle of same ; D, dart-sac or amatorial organ ; rmD, retractor 

 muscle of same; /E<, left eye-tentacle; H.ap, hermaphrodite aperture; r7nF, retractor 

 muscle of penis or male organ ; Pa, anterior end of same ; Pc, posterior end of 

 same ; Pd, junction of vas deferens ; K, csecum calciferum or kaik-sac ; Sp, sperma- 

 theca ; Sal.gld, salivary gland ; Sal.dt, salivary duct ; a and d, minor ducts to the 

 stomach ; st, stomach ; i, intestine ; vd, vas deferens ; vag, vagina ; ov, oviduct ; 

 mu.gd, mucous gland ; /«, muscular band. 



