224 



Stimpson's description of dolabrifera is rather poor and so 

 unsatisfactory that according to it each of the present five species 

 from the neighbourhood of Port Jackson may be named dolabrifera. 

 For this reason I think it the better course to regard the specimen 

 described by Clark in 1924 (The Synaptinae pag. 484 PI. 7 fig. 1 — 6) 

 as the type and use Clark's excellent description of dolabrifera as 

 basis for any systematical discussion of the Australian Leptosynaptids. 



Fig. 35. Calcareous rings, ciliated funnels and rods of Leptosynapta dolabrifera 

 1—5 and Leptosynapta reducta 6—9. 1 from digits, 2 from tentacle stem, 3 from 

 posterior end of body, 5 from anterior end of body, 8 Irom body, 9 from ten- 

 tacles. Rods X 450; calcareous rings X 24; ciliated funnels X 36. 



The single specimen from Port Jackson 20. X. 1914 agrees so 

 closely with Clark's description, that there can, in my opinion, be 

 no doubt that it is that species. The differences between Clark's 

 and my descriptions may be due to individual variation. Only, as 

 Clark's figure of the "supporting rods from tentacles" PI. 7 fig. 4 

 agrees so well with the rods in the tentacle-stem of the specimen 

 at hand, I suppose that Clark has overlooked the peculiar rods 

 in the digits. 



