The Voyage of H.M.S.'Ctallen^er! 
Tumcata, Part II, PI XXIV. 
WAHeraraan del. r,Hnth,Lill^Earf 
F1G?|-8, ATOPOGASTER ELONGATA,n.sp. FIG^B&IO.ATOPOGASTERELONGATA var. PALLIDA, nov. 
FI G® 11-15, AT 0 P 0 G A ST E R 1 N F 0 R M 1 S , n. sp. FIG? 16 - 20 , M 0 R C H E L L 1 0 I D E S AFFINIS, n. sp. 
