Plate 60. 



Fig. 1. Disrorbis, species. X 70. D5"_'()l. a. dorsal \i('\v: h. ventral view; r, side 

 view. 



2. Discorbis rugnsn. X 155. D523fj. a. dorsal view: //. ventral view: r, .side 



view. 



3. Siphonina reticuldtn. X "0. 1)5178. (t, dorsal view; b, venrral view; C; 



side view. 



549 



