204 D. Echinoderinata. 



papillae, and 2 isolated papillae between the rows. Calcareous spiculae in the 

 skin.a Daniellsen und Korenf 27 ); abyssicolan. 1 Ex. 63 17' N. f 1 27' W., 

 1081 Fad. 



Fanny chia n. g. Tentacles 20, rather large and non-retractile. The lateral ambu- 

 lacra of the ventral surface with large pedicels, disposed in a single row all along- 

 each side of that surface. The odd ambulacrum with a double row of pedicels. 

 The dorsale surface with a crowded series of very numerous, slender processes all 

 along each side. Integument with numerous wheels and small wheel-shaped 

 plates. Theel ( 7y j; Moseleyin. 34 8' S., 152 0' 0., 950 Fad. ; 37 34' S., 

 179 22' 0., 700 Fad. 



Parelpidia n. g. Body very elongated, cylindrical, Synapta-tike, 5 or 6 times longer 

 than broad. Tentacles 10. The dorsal surface in its anterior part only provided 

 with a few rudimentary, almost inconspicuous processes. The ventral surface 

 without pedicels in its anterior part. Integument with calcareous deposits, com- 

 posed of four arcuate arms directed towards the inside of the body, and one cen- 

 tral, long and straight process directed outwards." Theel ( 7y ) ; hierher elongata 

 Thdel ( = Elpidia elongata Theel, Prelim. Rep.). 1 Ex. 33 31' S., 74 43' W., 

 2160 Fad. - - cylindrica n. 1 Ex. 34 7' S., 73 56' W. ; 2225 Fad. 



Peniagone n. g. Body more or less elongated, sometimes depressed posteriorly or 

 with a narrow neck-like part anteriorly. Tentacles 10. The dorsal surface with 

 a larger or smaller, branched or unbranched lobe-like appendage anteriorly, and 

 commonly with some more or less minute processes. The ventral surface with 

 pedicels all along each side, or only round its posterior half or third. Integument 

 with several sorts of calcareous deposits : four-armed bodies with one to four 

 processes ; and three-armed ones together with branched or unbranched spicula 

 and small bodies curved in the form of a C- Theel ("''); hierher Wyvillei n. 

 033'S., 15134'W., 2425 Fad. - - lugubris n. 225'N., 20 1'W., 2500 Fad. 



- horrifer n. 53 55' S., 108 35' 0., 1950 Fad. - - atrox n. 42 42' S., 134 

 lO'O., 2600 Fad. - - Naresin. 501'S., 123 4' 0., ISOOFad. - - Challenged n. 

 50 1'S., 123 4'0., iSOO Fad. - - vitrea n. 42 43' S., S2U'W., 1450Fad. 



- a/finis n. 46 IG'S., 48 27' 0., 1600 Fad. 



Psycheotrephes n. gen. Body very thin and depressed, with the brim round its an- 

 terior and posterior extremities rather broad. Mouth and anus ventral , at some 

 distances from the ends of the body. Tentacles 10. Pedicels arranged in a single 

 row round the edge of the brim; the odd ambulacrum naked. The dorsal surface 

 with some minute processes. Theel ( 7 ' J ) ; exigua n. sp. 7 25' S., 152 15' W., 

 2750 Fdn. 



Psychropotes n. gen. Body gradually decreasing in height forwards , its foremost 

 part being rather thin and depressed; the brim rather broad anteriorly. Mouth 

 and anus ventral , situated at greater or smaller distances from the extremities of 

 the body. Tentacles 1018. Pedicels arranged in a single row round the brim 

 of the body and in a double one along the odd ambulacrum. The dorsal surface 

 with a smaller number of more or less minute processes, and with a large, broad 

 and flat appendage, crossing the odd interambulacmm posteriorly. Theel ( 79 ) ; 

 hierher lonyicauda n. 62 26'S., 9544' 0., 1 975Fdn. 5355'S., 10835'0., 

 1950Fdn. 347'S., 7356'W., 2225 Fdn. longicauda var. monstrosa n. 53 

 55'S , 10835'0., 1950 Fdn.-- var. fusco-purpurea n. 53 55' S., 10S35'0., 

 1950Fdn. Lovenin. 4646'S., 4531'0., 1375 Fdn.- Semperianan. 548'N., 

 14 20' W., 2500 Fdn. ; 35 41' S., 20 55' W., 1900 Fdu. 



Psychropotidae u. fam. Body more or less elongated, either subcylindrical and 

 vermiform, or very flat and depressed, or rather high posteriorly and decreasing 

 gradually forwards; its anterior part always rather depressed. The perisoma 



