ACTINOPODOUS HOLOTHÜKIOIDEA. 



Family I. HOLOTHURIIDAE. 

 Subfamily 1. Synallactinae. 



Genus Pseudostichopus Theel 188G. 



Tentacles 20 ( — 19). No tentacular ampullae. Stone-canal 

 attached to the body wall. Ambulacral appendages in the form 

 of pedicels, extremely small, difficult to detect and arranged in 

 more or less distinct longitudinal series. Genital tubes in two 

 bundles (one right and the other left). Anus lodged in a vertical 

 furrow, without calcareous teeth. Calcareous deposits in the skin 

 rarely present, and then only sparsely ; oftener entirely wanting. 

 The body generally covered with foreign substances like sand 

 grains, sponge spicules, foraminiferan shells etc. 



1. Psendosticliojyns trachns Sluiïeiî. 



(PI. I., figs. 1—5; textfig. 1). 



Psewlostkliopm traclms Sluiter 1901«, p. 15. — Sluiteh 1901?;, p. 52, 

 Taf. v., Fig. 1 ; Taf. YIIT., Fig. 8.— Peiîrier 1902, p. 337—8. 



Specimens examined : — 



* 1 hho^ca.. 4 7 ft. 



