OF MADEIRA AND NEIGHBOURING ISLANDS. 301 



PORELLA NITIDISSIMA, Hhichs. H., W. 



1880. Porella nitidissima, Hincks, Ann. & Mag. Nat. Hist. ser. 5, vol, vi. p. 78, pi. 9.. 

 fig. 2. 



I dredged a few specimens of this strongly characterised species. "When 

 dead the front wall of the zocecia appears as a complete network. This 

 should be removed I think into the genus Escaropsis, Verrill (= Escliaroides^ 

 auct. (nee Milne-Edwards and Gray). 



Rhynghopora BISPINOSA {Johnston). W. 



I have seen the specimens in the Funchal Museum determined by 

 Mr. Waters, but have not myself found the species. 



Retepora Couchii, Hincks. W. 



A few specimens dredged {A. M. N.); on telegraphic cable {Be Noronlia). 

 Var. BIAVICULATA, Waters, "Medit. and New Zealand Reteporse," Linn. 

 Soc. Journ., Zool. vol. xxv. 1895, p. 262, pi. 6. fig. 18. This variety 

 was also dredged. 



Retepora mediterranea, Smitt. W. 



Numerous fragments dredged {A. M. N.) ; very young specimens not 

 yet reticulate in growth on Hydroids growing on the telegraphic cable 

 [De Noronlia). 



Retepora Julienni, Calvet. W. 



1883. Retepora arbovea, J. Jullien, Dragages du ' Travailleur,' Ball. Soc. Zool. France, 



vol. vii. p, 21 (separate copy), pi. 16. figs. 49, 50. 

 1895. Retepora Solanderia, Waters, " Medit. and New Zealand Eeteporae," Linn. Soc. 



Journ., Zool. vol. xxv. p. 264, pi. 6. figs. 1-4. 

 1902. Retepora Solanderia, Calvet, Bryoz. marines des Cotes de Corse, p. 35, pi. 2. 



figs. 5-8. 

 1906. Retepora Jullieni, Calvet, Exped. Sci. ' Travailleur ' et ' Talisman,' Bryoz. 



p. 453. 



J. Jullien named this non-reticulated species Retepora arhorea, but that 

 name was preoccupied by Risso. Waters referred it to the Retepora 

 Solanderia, Risso, but I cannot find anything in that author's description by 

 which to identify the species, and I therefore employ the name which Calvet 

 has applied to it. 



Specimens are in the Funchal Museum. 



PSILESCHARA MADERENSIS, Bvsk. B. 



1861. Psileschara maderensis, Busk, Quart. Jour. Micr. Sci, vol, ix. p. 79, pi. 32. fig. 2. 

 Busk's type specimen from Madeira is preserved in the British Museum. 



