rss 



ZOOLOGY 



a receptacle, the $i)crmatoxihoral sac or Needham's sac {sp. s.), and 

 opens, nearly in the middle line at the end of a prominence — the 

 ■licnis (Fig. 680, />ch.). In the female the right oviduct has a 



r£/en.op 



L.^erv.op 



pyr 



Fii;. 084. — Nautilus pompilius, male reproductive organs, ace. vesicula seminalis ; tff. re.'is. 

 efferent branchial vessels ; I. yen. op. left genitu.1 opening ; -jinst. ao. posterior aorta ; jii/r. 

 pyriform appendage; r. f/en. op. right genital opening; ^i>. s. spermatophore-sac ; teat. 

 testis ;■ 'oent. ventricle. 



r^&TL.op 



.op 



Fig. C85. — ISTautilus poznpilius, female reproductive organs, alh. albumen-gland ; X. gen. op. 

 left genital opening ; ov. ovary ; pi/r. pyriform appendage ; v. gen. op, right genital opening ; 

 vent, ventricle. (After Lankester and Bourne.) 



glandular dilatation, which is supposed to be an albumen gland. 

 The ova are of large size, greatly exceeding those of Sepia in 

 dimensions, containing a large proportion of food-yolk, Nidamental 



