110 TTTK APODOUS HOLOTHURIANS 



ANAPTA GBACILIS. 

 PLATES II, PIG. 1; VII, PIGS. 19-23. 



Anapta gracilis Semper, 1868, p. 17; pi. m, fig. 1. Calcareous particles, pi. iv, 

 figs. 10-15. 



LENGTH. Up to 190 mm. 



COLOR. Pale purplish brown (rosy in the figure given), with numerous 

 white papillae. 



DISTRIBUTION. Eeported only from Manila, Philippines (Semper). 



REMARKS. It seems strange that such a large and well-characterized species 

 as this has not been met with since its original discovery, nearly 40 years ago. 

 The calcareous ring, ciliated funnels, reproductive organs, and sensory-cups 

 on the tentacles are all very much like those of a Leptosynapta. 



ANAPTA FALLAX. 

 Anapta fallax Lamport, 18896, p. 848. 



LENGTH. Up to 80 mm. 



COLOR. In life, flesh color, reddish anteriorly, the tentacles clear rose-red ; 

 in alcohol, yellowish brown or yellowish white. 



DISTRIBUTION. Eeported from off Cape Blanco, Argentina, 114 m. (Lam- 

 pert) ; Stanley Harbor, Falkland Islands, and southern coast of Tierra del 

 Fuego (Ludwig) ; Punta Arenas, Susanna Cove and Calbuco, Chile (Ludwig) ; 

 near Wellington Island, Chile (Clark, antea). The range apparently includes 

 all the coasts of South America and neighboring islands south of 40 S., where 

 the water is less than 125 m. deep. 



REMARKS. This is decidedly the best known of the three species, but it is 

 somewhat difficult to see from the descriptions published any important differ- 

 ence between it and the preceding species. Ludwig's ('98c) statement, "wohl 

 aber finden sich bei einzelnen, aber nicht bei alien, Exemplaren, in den Langs- 

 muskeln, sehr zahlreiche, kurze, fast ovale Kalkstabchen und in den Fiihlern, 

 *, kleine, klammerformige Kalkkorperchen, " leaves one in 



doubt as to whether some of his specimens entirely lacked all calcareous par- 

 ticles or not, and if so, whether it might not have been due to acid alcohol. How- 

 ever, the geographical isolation of this species is so marked, it cannot be con- 

 fused with any other, and it may well be considered distinct until its identity 

 with gracilis is shown by a more careful study of the two species. According 

 to Ludwig ( '98&), fallax lives "am strande, im Sande." 



ANAPTA SUBTILIS. 

 Anapta subtilis Sluiter, 1888, p. 211. 



LENGTH. Not given: "nur etwa dreimal so lang als breit." 

 COLOR. Brownish, with numerous, clear yellowish white papillae. 



