'128 synaptidae. 



2. Synnpta heselii Jagee. 



Jager, de Holothurüs. 1833, p. 15. Taf, I. — Semper, Holothu- 

 rien. 1868. p. 264^). — Liidwig, Zeitschr. f. wissensch. Zool. 

 XXXV. 1881. p.p. 576—577. 



One specimen from the Indian Ocean. 



3. Synapta gvisea Semfëk. 

 Semper, Holothurien. 1868. p. 265. 



One specimen from the Indian Ocean. 



4. Synapttê nittatn Jagee (Forskal sp.). 



Fistularia vittata Forskal. Descriptio animalium qua in itinere 

 oriental! observavit. 1775. p. 121. Taf. 37 E. — Synapta vit- 

 tata Jiiger, De Holothurüs. 1833. p.p. 14 — 15. — Semper, 

 Holothurien. 1868. p. 266. 



One specimen without indication of locality. 



This specimen agrees very well with Jager's description. 

 It possesses 15 tentacles. The anchors and anchor-plates 

 resemble those of S. indivisa and S. recta Semper. 



5. Chli'odota rufescens Brandt. 



Brandt, Prodromus. 1835. p. 59. — Ludwig, Zeitschr. f. wissensch. 

 Zool. XXXV. 1881. p.p. 578—579. — Chirodota variabilis 

 Sluiter, Natuurk. Tijdschr. v. Nederlandsch-Indië XL. 1880. 

 p.p. 20—21 des Separatabdruckes. Taf. VI, Fig. 2. Taf. VII, 

 Figs. 7—10. 



Two specimens from Japan , two from Timor and two 



from Batavia. 



6. Chirodota lfter>is LüTKEN. 



Ilolothuria laevis Fabricius. Fauua groenlandica. 1780. p. 353. — 

 Chirodota laevis Liitken. Oversigt over Gronlands Eohiiioder- 

 mata. 1857. p.p. 16 — 21. — Semper, Holothurien. 1868. p. 

 267. — Ljungman, Öfvers. K. Vetensk.-Akad. Förhandl. 1879. 

 p. 130. 



Two specimens from Greenland. 



1) In this and in the following references to Semper's monograph of the 

 Holothurians, notice has only been taken of the reference in Semper's list of 

 «ynonyms, in which the remaining literature concerning the respective species 

 will be found in full. 



P4^otes from the Ljeyden IMuseiam, Vol. IV. 



