316 SEALE. 



undulated on margins, often with X-shaped branches. Habitat: Philippine 

 Islands, in shallow water. 



57. Holothuria edulis Lesson. 



Color a dark reddish -bro^vn, light gray on sides and belly, a minute, dark ring 

 around the base of the pedicels. The dorsal papillae are very minute and more 

 scattered than the ventral pedicels. Disk of the tables reduced to a small ring 

 more narrow than the top of the spire, which, when seen from above, presents 

 a small circular hole surrounded by 4 prominences, each with 4 or 5 teeth. 

 Habitat: Bohol, in 10 to 20 fathoms of water. 



58. Holothuria monacaria Lesson. 



Color yellowish white, speckled with brown or greenish-brown on the back. 

 The young specimens are auburn, with the ventral surface white. The papillae 

 paler. Tlie dorsal papillae are arranged in 4 indistinct longitudinal rows. The 

 rounded disks of the tables have a central hole surrounded by 4 to 12 holes. The 

 spire terminates in 12 teeth. Habitat: Zamboanga, in shallow water. Length 

 110 millimeters. 



59. Holothuria vagabunda Selenka. 



The color varies from a dark brown to a reddish-brown. The table '^ave small 

 disks; the spires terminate in 8 to 10 teeth placed around a ' 'rcular 



aperture at their top.: buttons with 6 holes; the dorsal peci' "-ave 



supporting rods, these are spinous and taper towards the ends 

 pines, in shallow water. 



60. Holothuria fusco-cinerea Jaeger. 



Color dusky-red, with some darker transverse bands on the ■;: .. « tables 



never seem to attain the usual length of the spire, nor to have tht ; — tmhjr 



of transverse beams. Habitat: Bohol, in 6 to 10 fathoms of water. : 

 millimeters. 



61. Holothuria immobilis Semper. 



Color on dorsal surface bro^iTi, with some darker spots or bands, belly dirt> 

 yellowish-white inclined to brown anteriorly. Tentacles 26 ; ventral surface with 

 pedicels, the dorsal surface with papillae. The disks of the tables spinous; the 

 buttons irregularly formed, with about sis holes. Habitat: Bohol, in from 6 

 to 8 fathoms of water. 



62. Holothuria coluber Semper. 



The dorsal surface with papillae; ventral surface with pedicels. The tables 

 have long spire of 4 rods, and 3 to 5 transverse beams. Habitat: Bohol, in 6 to 8 

 ■fathoms. 



63. Holothuria impatiens Forskai. 



Color in alcohol, light brown, inclined to violet. Integuments roiigh, the 

 smooth disks of the tables are pierced with 9 holes of equal size; buttons sym- 

 metrical with 6 holes. Habitat: Philippines, in 6 fathoms. 



64. Holothuria scabra Jreger. 



The color varies with different localities. Some are cinereous with almost 

 black transverse bands, with a few small whitish bands or spots on the back, the 

 belly being yollowish-white, and each papilla being surrounded with a small dark 

 circle. In other localities they are paler and punctated with a few large dark 

 spots, but are without the dark bands. The tables are solid, with smooth, well 

 developed disks, spires of usual shape with 12 to 16 teeth. The buttons have 6 

 holes, are symmetrical, and for the most part knotted. Habitat: Bohol, in shallow 

 water. Length 170 millimeters. 



