530 ON NEW SPECIES OF EDWARDSIA FROM NEW GUINEA. 



12. Haddon, a. C. Note on Halcampa chrysanthellum, Peach. Proc. Hoy. 



Dublin Soc. n. s., v. 1886, p. 1. 



13. Note on the Arrangement o£ the Mesenteries in the Parasitic 



Larva of Halcampa chrysanthellum. Proc. Roy. Dublin Soc. n. s., 

 V. 1887, p. 473. 



14. A Revision o£ the British Actiniae. Trans. Roy. Dublin Soc. (2) 



iv. 1889, p. 326. 



15. Hertwig, 0. & R. Die Actinien. Jenaische Zeitschrift f. Wissensch. 



xiii. 1879, p. 582. 



16. Klunzinger, C. B. Die Korallthiere des Rothen Meeres. Berlin, 



1877. 1. Theil, p. 79, TaL 6. fig. 3. 



17. Mayer, A., and K. Mobius. Beschreibung der Edwardsia duodecim- 



cirrata, Sars, aus der Kieler Bucht. Arch. f. Naturgesch. xxix. 1863, 

 p. 70. 



18. McMuRRiCH, J. p. On the Occurrence of an Edwardsia-si?LgQ in the 



freo-swimming Embryos of a Hexactinian. Johns Hopkins University 



Circulars, No. 70, 1889, p. 31. 

 19, (;ontributions to the Morphology of the Actinozoa. Journ. 



Morph. V. 1891, p. 303. 

 20. Phylogeny of the Actinozoa. Journ. Morph. v. 1891, p. 125. 



21. Milne-Edwards, A., and J. Haime. Hist. Nat. de Coralliaires, vol. i. 



1857, p. 285. 



22. Panceri, p. Intorno a due nuovi Polipi. Atti d. R. Accademia d. 



Scienze fisiche e matematiche, iv. 1869, no. 11. 

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EXPLANATION OF PLATE 51. 



cap., capitulum ; ph., physa ; mes., mesenteries. 



Tig. 1. Edivardsia mammillata, n. sp. The specimen has burst below the capitulum, and 

 the mesenterial filaments are extruded. 



2. Edivardsia rugosa, n. sp. 



3. Edivardsia vermiformis, n. sp. 



4. Edivardsia rakaiyce, n. sp. The animal has burst owing to excessive contraction in 



spirit, and the inner wall of the introverted part of the scapus is exposed in the 

 upper part of the figure. 



5. Edivardsia wiUeyana, n. sp. The retracted animal has been cut in half longi- 



tudinally, and the figure shows the tentacles t., t., the actinopharynx a.p., the 

 longitudinal retractor muscles r.m., and the mesenterial filaments m.f. Owing 

 to excessive contraction in spirit, the capitulum has been torn away from the 

 scapus and has been pulled down to the inside of the lower half of the body. 



