408 M. E. Perrier on the 



Holophcea ccerulea, sp. n. 



Female. — Primaries and secondaries uniformly dark bluish 

 black. The head, antenn;^, thorax, and legs black; abdomen 

 dark glossy blue-black ; the collar and the edges of the tegulae 

 bright red. 



Expanse 1^ inch. 



Hah. Ecuador {in the Hope Collection, Mas. Oxford). 



Atyphoj)sis roseiceps, sp. n. 



Male. — Primaries and secondaries semihyaline greyish 

 white, the veins all dark brown, the apex dark brown. The 

 head, antennse, collar, tegulte, thorax, abdomen, aiid legs 

 pale greyish brown ; the top of the head and the fourth and 

 fifth segments of the abdomen pale red ; the anus black. 



Expanse Ij inch. 



Hah. S.E. Brazil, Rio Janeiro [in the Hope Collection^ 

 Mus. Oxford). 



The specimen is in very poor condition and much faded. 



LXIII. — On the Place of the Sjyonges in the Classificatory 

 System and on the Significance attributed to the Embryonic 

 Layers. By Edmond Perrier"^. 

 In a note published in the last number of the * Comptes 

 Rendus' M. Yves Delage proposes *'' to raise the Spongiarige 

 to the rank of a brai'ch by contrasting them, under the name 

 Enantiodcrma (eVavr/o?, contrary), with the Coelenterata, 

 if not, indeed, under the title Enantiozoa, with all otiier 

 animals. Protozoa, Mesozoa, and Metazoa, in which the 

 invagination of the layers, when they exist, takes place in 

 the normal way." Since as early as 1881, in the first edition 

 of my book *Les Colonies animales et la Formation des Organ- 

 isnies' (p. 764), 1 laid claim to a distinct series in the animal 

 kingdom on behalf of the Sponges, and as, since then, I have 

 not ceased to defend this manner of regarding tliemt, 1 cannot 

 but congratulate m^-self on seeing, after the lapse of sixteen 

 years, my opinion embraced by the industrious professor of 

 the Sorbonne. Since the Sponges were already called by this 

 name, and w ere also termed Spongiaiia?, Spongozoa, Purifera, 

 I'olystomata, &c., 1 did not, intlcLd, consider it advisable to 

 add a new number to this already copious list. 



* Translated bv E. E. Austen from the ' Comptes llendiis,' t. cxxvi. 

 no. 8 (Febiuaiy 21, 1898), pp. 570-083. 



t Vf. my ' Traite de Zoulo>:ie,' pp. 407 and o37. Iluxley, in 1874, in 

 his eiiibryogenic classification, already separated the Sponprea from the 

 Coelenterata under the name Polvstomata ; Milne-Edwards, in 1855, 

 and de Blain\ ille, in ISi^i', had treated them in the same way. Hut the 

 former associated them with the lulusoria, the latter with the Infusoria 

 and the Corallina. 



