183 



Synaptula hydvifovmis (Lesueur). 



Holothuria hydriformis. Lesueur. 1824. Description of several new 



species of Holothuria, pag. 162. 

 Holothuria viridis. Lesueur. 1824. Op. cit., pag. 163. 

 Synaptula vivipara. 0rsted. 1849. Videnskabelige Meddelelser fra 

 dansk naturhistorisk Forening 1849—51, pag. VII. 

 Synapta viridis. Pourtalés. 1851. On the Holothuridae of the Atlan- 

 tic coast of the United States, pag. 14. 

 Synapta pourtalesii. Selenka. 1867. Beiträge zur Anatomie und Sy- 

 stematik der Holothurien, pag. 365. 

 Leptosynapta hydriformis. Verrill. 1867. On the geographical distribu- 

 tion of the Echinoderms of the West-coast of 

 America. 



Leptosynapta pourtalesii. V err ill. 1867. Op. cit. 

 Heterosynapta viridis. Verrill. 1867. Op. cit. 



Synapta vivipara. Ludwig. 1886. Die von G. Chierchia gesammelten 



Holothurien, p. 28. 

 Synapta picta. Théel. 1886. "Challenger 14 Holothurioidea II, p. 10, Pl. I 

 fig. 9—10. 



Synapta vivipara. Clark. 1896. The viviparous Synaptas of the West- 

 Indies. 



Synapta vivipara. Clark. 1896. Notes on the life history of Synaptula 



vivipara. 0rsted. 

 Synapta vivipara. Clark. 1898. Synapta vivipara. 

 Chondrocloea vivipara. Ostergren. 1898. Das System der Synaptiden, 

 pag. 114. 



Synaptula vivipara. Fisher. 1907. The Hawaiian Holothurians, pag. 717. 

 Synaptula hydriformis. Clark. 1908. The Apodous Holothurians, pag. 



23 & 82, Pl. VI fig. 1—22. 

 Synaptula hydriformis. Clark. 1924. The Synaptinae, pag. 473, Pl. Ill 



fig. 5—6. Pl. IV fig. 4. 

 St. Croix. 1845. A. S. 0rsted. 4 specimens. 



Between little Saba and St. Thomas. 7.III.1906. 15 fms. Th. Morten- 

 sen. 1 specimen. 



Jamaica, Port Royal. 1907. H. L. Clark. 2 specimens. 



Tobago, B.W. I. IV.1916. The shore, between Corallina. Th. Morten- 

 sen. 66 specimens. 



Jamaica, Port Royal. 1924. H. L. Clark. 3 specimens. 



Jamaica, Montego Bay. 1924. H. L. Clark. 2 specimens. 



Bermuda, Hungry Bay. 1924. H. L. Clark. 2 specimens. 



Bermuda. 1926. The shore. T h. M o r t e n s e n. 71 specimens. 



The specimens at hand from the various localities differ so much 

 that the suggestion lies at hand that they may represent different 

 local races or varieties; but as it is not possible to see with any 



