TROPICAL PACIFIC HOLOTHURIOIDEA. 141 
larger; the body, 220 mm., the tail 180 mm., and the width 50 mm. Mr. 
Agassiz states that in life this specimen was 55 cm. long. The tip of the tail 
is less distinctly notched than in the other specimen. The color is violet much 
faded dorsally, where it is almost gray; the tentacles are brown. 
Station 4658. Eastern Tropical Pacific, 8° 30’ S., 85° 36’ W., 2,370 fms. Bott. temp. 35.3°.  Fne. gn. 
m., mang. nod. 
Station 4721. Eastern Tropical Pacific, 8° 7’ 30’ S., 104° 10’ 30” W., 2,084 fms. Bott. temp.? Lt. br. 
glob. oz. 
Two specimens. 
Benthodytes glutinosa. 
Plate 2, fig. 1. 
R. Perrier, 1896. Compt. Rend., 123, p. 903. 
This species, originally described from the Atlantic, has since been recorded 
from the Indian Ocean by Koehler and Vaney. The present specimen appears 
to agree with these latter in the entire absence of spicules. Otherwise the agree- 
ment with Perrier’s later, fuller description and figures (1902, TRAVAILLEUR et 
TALISMAN Hol., p. 462; plate 13, fig. 5 and plate 20, fig. 31) is very close. The 
differences between glutinosa and typica do not seem to be very weighty and it 
is probable that the two are identical. 
Station 4647. Eastern Tropical Pacific, 4° 33’ S., 87° 42’ 30” W., 2,005 fms. Bott. temp. 35.5°. Lt. gy. 
and br. glob. oz. 
One specimen. 
Benthodytes regularis,' sp. nov. 
Plate 2, fig. 2. 
Length, 105 mm.; thickness about 15 mm., but when both margins are 
spread flat, the width is 22 mm. Seen from below the appearance is much 
like Théel’s figure of B. sanguinolenta var. marginata (1886, CHALLENGER 
Hol., plate 25, fig. 2) but the upper surface is very different from that of mar- 
ginata. On each dorsal ambulacrum is a series of fourteen or fifteen papillae 
in a single row; these begin 25 mm. back of anterior end of body, are of nearly 
uniform size and quite evenly spaced; each is about 2-2.5 mm. high by 1.5 mm. 
in basal diameter; the form is bluntly conical. Mouth ventral but anus 
dorsal. Anterior end quite flattened. Midventral line of pedicels distinct but 
they are small and fully retracted; they are wanting on the anterior region for 
a distance-of 20 mm. or more. Tentacles not permitting an accurate count, 
1 regularis = according to rule, in reference to the regular arrangement of the dorsal papillae. 
