198 "Walsh— ' Investigator ' Deep-sea Holothurians. [No. 2, 



April 12th to 13th, 1888, Andaman Sea, N. Sentinel Island bearing 

 N. 15°, W. 18 miles, 260 fathoms (Wood- Mason). 



3. Deima validum, Theel, 1. c, p. 68. 



" Transpai-ent light orange- red " (Alcoch). 



Two specimens. 



April 16th, 1888; Bay of Bengal lat. 11° 15' N"., long. 91° 16' E., 

 1840 fathoms, globigerina ooze (Wood-Masoji) . 



A fine specimen ; length 130 mm. ; length of lateral processes 55 mm. 



Station 117, Bay of Bengal, lat. 11° 58' K, long. 88° 52' 17" E., 

 1748 fathoms, globigei-ina ooze with pieces of pumice, bot. temp. 35-3° 

 (Alcoch). 



4. Deima pastosum, Theel, 1. c, p. 71. 

 Two specimens. 



Station 118 (Alcoch). 



April 20th, 1888, Bay of Bengal, lat. 6° 18' N., long. 90° 40' E., 

 1620 fathoms ( Wood-Mason). 



5. Orphnuegus aspbe, Theel, 1. c, p. 82, var. glaber, nov. 

 Length 160 mm. Body smooth and leathery ; skin thin and some- 

 what transparent; colour (in spirit), body greyish white, feet and 

 processes yellowish-white. Tentacles 20, long, extremities brownish 

 and dendi'itic. Ventral feet 24 on each side, longer and larger near the 

 centre of the body than at the extremities ; longest 20-25 mm. Lateral 

 processes generally longer than the pedicles, longest 30 mm. Two 

 rows of processes on each dorsal ambulacrum ; these vary considerably 

 in size and short and long ones seem to alternate. Mouth slightly 

 ventral ; anus terminal and patulous. Calcareous bodies, spinous rods 

 or smooth rods with branched extremities. Polian vesicle sijigle, 40 

 mm., wider in the middle than at the extremities. 



Colour in the fresh state " salmon-pink " (Alcock). 

 One specimen. 



Station 112, 7th November, 1890, Bay of Bengal, lat. 13° 47' 30" 

 N., long. 92° 36' E., 561 fathoms, grey mud, bot. temp. 44-9° {Alcoch). 



6. Pannychia wood-masoni, n. sp. 



Length 300 mm. Body long, flat and of equal width throughout ; 

 skin calcareous but flexible; colour yellowish- white (in spii-it). Ten- 

 tacles 20, round, with stumpy digits ; mouth ventral ; anus terminal 

 and without teeth. The middle ambulacrum of the trivium beai-s a 

 double row of feet ; outside these the skin is thrown into longitudinal 

 and transverse folds and ridges ; the skin on the dorsum is also ridged. 



