that Doraumsia pictoides is a Diphyid, we should place it near to our new species Diphyes 

 (Diphyopsis) Gegeiibauri (see page 46). 

 Nectophorc. Length ± 5V2 rnm. 

 The nectophore is of a pyramidal shape and is five-edged, the ridges meeting very closely 

 in the apex. In this respect the species Doraiiiasia picta of Chun (92) shows the same structure. 

 Each ridge is elegantly serrated, yet more so at the top and at the base of the nectophore 

 and goes .straight downwards without any winglike enlargement in the upper third part of the 

 nectophore. The dorsal and antero-lateral ridges end each in a slightly inflexed point. 



Chun (92) tells us how the point of the dorsal ridge in his specimen is one third longer 

 than the antero-lateral ones. 



In Doramasia pictoides the three points are of equal length. (PI. I, fig. i). 

 The difference in length between the right antero-ventral and postero-ventral points and 

 the left antero-ventral and postero-ventral ones is clearly marked. In Doramasia picta the 

 antero-ventral differ only slightly from each other, while the postero-ventral are of equal length 

 according to Chun's figure (92 Plate IX, fig. 9). 



The inferior ridges connecting these anterior and posterior ventral points are decidedly 

 concave; the same is the case in Chun's specimen. 



The whole inferior part of the nectophore is beautifully regularly serrated, the same as 

 in D. picta. 



Nectosac. 

 The nectosac is a cylindrical tube, widening itself very gradually towards the distal point 

 of the nectophore. There is no question of a sudden narrowing of the nectosac as Chun finds 

 in his Motiophyid. He says that this caecal extremit)- of the nectosac is a characteristic of the 

 genus (92 page 93) but we shall describe further on how much variety- there exists in the more 

 or less narrowing of the nectosacs in Diphyids. And there is no reason why these transitions 

 should not occur in Monophyids cjuite as well. At any rate we do not find it characteristic 

 enough to make a new genus only on this account. 

 Canals of the nectosac. 

 The canals of the nectosac are not well preserved enough to give any clear description. 

 In fact the entire wall of the nectosac has undergone much alteration by the preservative fluid. 

 This is probably the reason why we could not find any "Gefassplatte" at the ventral wall, as 

 Chun describes in D. picta. (92 page 93). 

 Hydroecium. 

 The hydroecium is situated in the third lower part of the nectophore; it is campanulate 

 and its aperture is quadrilateral, the ridges being slightly concave as is .said above. Chun's 

 figure 3 of plate VIII (92) shows us the somewhat higher implantation of the somatocyst. 

 Somatocyst. 

 The .somatocyst is narrow and subcylindrical, it accompanies the nectosac and ends 

 somewhat below the apex of the latter. 

 Stem. 

 The stem is very short. Immediately below the somatocyst there is no bud. Its only 



