742 PROCEEDINGS OF THE NATIONAL MUSEUM. yol.xxxu. 



Fig. 3. Holothuria fusco-olivacea. Disk of commonest form of table. 3a. Very rare 

 form of large table (tip missing). 3b. Small table. 3c, 3d. Crowns of 

 tables, oe. One »f the commoner tables from side. 3f. Various forms of 

 buttons; x and x' are covered with small knobs, ])ut these have been 

 omitted to show moreclearly the perforations, X 200. Ree also Plate LXX, 

 fig. 3. 



4. Ilolotlinria irnpatien.'i. Disk of a regular table, -in. Crown, from above, and 



characteristic table from side. 4b. Button. 4c. Supporting i-od from 

 papilla. 4(J. Less regular table disk, X 200. 



5. Holothuria jxtradoxa. A supporting rod from dorsal pedicel, X 200. 



Plate LXX. 



Fig. 1. Stichopus tropicalis. Large table, side view. In. Disk of large table. \b 

 Crown of smaller table, dorsal perisome. Ir. Smaller table, dorsal peri- 

 some; disk, side view, and crown. Id. Rods from dorsal perisome. li". 

 Disk of a table intermediate between the large and small tables. 1/'. Side 

 view of same. Ig. C-shaped rods, X 200. l/(. Supj)orting rod, ventral 

 pedicel, X 140. 1/. Spire of ventral table. 



2. Ilolnlhuria atra. Crown and side view of characteristic table. 2u. Disk of 



same. 2b. One of the small rods from general perisome, X 200. 2r. One of 

 the rods forming a perforated plate, X 665. 



3. HoIotlairiafasco-uJii'acea. Supporting rod of j)edicel, X 200. 



4. Mesothnria carno^a. Disk of one of the larger tables. 4a. Side view of char- 



acteristic table; only two spire rods shown. 4b. Table seen from above, 

 showing disk and crown of spire. 4c. Two views of one of the smaller 

 tables. 4d. Smaller table with sample crown, viewed from above. 4^'. 

 Reduced table from wall of pedicel. 4/". Medium-sized rod from oral disk. 

 All X 200. 



Plate LXXI. 



Fig. 1. Mesothuriamunvi/i. Large table viewed from above, slKjwingdisk and crown. 

 la and lb. Two characteristic tables showing variation in spire. Ic Disk 

 of a small table of general perisome-. Id-lg. Various forms of tables from 

 pedicels. l/(. Very characteristic simple disk tables of general perisome. 

 Here the secondary peripheral perforations are lacking. Compare with 1 

 and Ic, X 200. 



2. Mesothuria parva. Characteristic table, side and top view. 2a-2c. Various 



forms of crowns of tables, X 200. 



3. I'seudoslichopii.'t jirop'niqnvjt. Deposits from wall of respiratory tree. 3a-b. 



Same, X 400. 



4. MeKOtliurIa carnoga (young?). Side view of tal)ie of a small Mesothuria 



referred with doubt to carnu.'nt. 4(t.. Disk and crown of same, X 200. 



Plate LXXII. 



Fig. 1. Bathyploti'.'i patagiatu.t. Disks of tables from ventral perisome. la. Table 

 from dorsal i)erisome. 16. Disk of table from ventral perisome. Ic. Disk 

 of large table from base of the large dorsal papillfe. Id. Side view of 

 table from ventral perisome. Ic. Side view of large table from base of 

 dorsal papilhe. 1/". Table from dorsal pai)illa jiroper. Ig. Two arms 

 of a disk of table from perisome at base of a large dorsal papilla. Mi. 

 C-shaped rods in subcutaneous layer of body wall. lA'. From wall of 

 gonad (lower figure). 1/. Supporting rods from dorsal papilla;. The 

 lower figure shows a tip viewed from a flat side, X 175. 1/. Calcareous 

 ring, radial piece directly over figure, X 4. Ik. Supporting rod from doi-- 

 sal papilla, X 175. 



