Haddon — On Parasitic Larva of Halcampa. 



475 



Philomedusa vogtii, . 



Halcampa mediisophila, 



Mediterranean. 



Fritz Miiller, 1860, Wiegman/n's Archiv f. 

 Naturg., xxvi., p. 57 [reprinted in 

 Ann. Mag. Nat. Hist. (3), vi., 1860, 

 p. 432.] 



A. Andres, 1883, Le Attinie, Attc Ace. Bom. 

 (3 a), xiv. [Fauna u. Fl. d. Golfes 

 v. Neapel (1884), p. 112] . 



E. Graeffe. 1883, Boll. d. Soc. Adriatica di 

 Sci. Nat. Trieste, vii. 



As Hahampella endromitata (Andres), is the only Mediterranean 

 example of the Halcampidae, the above-mentioned forms are pro- 

 bably the parasitic larva of that species. 



Coast of New England — North-East America. 



Bicidium parasiticitm, . A. Agassiz, 1859, Proc. Boston Soc. Nat.. 



Hist., vii. (1861), p. 24. 



,, ,, . A. E. Verrill, 1862, Mem. Boston Soc. Nat. 



Hist., i. (1866), p. 31, pi. i., figs. 

 14, 15. 



,, ,, . E. C. and A. Agassiz, 1865, Seaside Studies 



in Natural History, Boston, p. 15, 



fig. 14. 

 . A. E. Verrill, 1866, Proc. Boston Soc. Nat. 



Hist., x., p, 338. 

 . A. E. Verrill, 1873, Beport U. S. Fish 



Com., i., 1871-2, p. 739. 

 . A. Andres, 1883, Le Attinie, Atti. B. Ace. 



Lincei, Borne (3 a), xiv. (Fauna u. 



Fl. d. Golfes v. Neapel, 1884, p. 112, 



fig. 9. 



From Yerrill's accounts (1862 and 1866) there can be no doubt 

 that the above parasitic Anemone is really a Peachia ; it must, 

 therefore, be known, for the present, as P. parasitica ; but in the 

 latter paper Yerrill states that it is very much like Siplionactinia 

 {Peachia) Bceckii (Dan. & Kor. 1856) in form and colour. The 



Peachia parasitica, 



Philomedusa 



