﻿192 MADEEPORAEIA. 



PLATE XXIV. 



PIG. 



1. The Type specimen of M. incognita, x i, from above. 



2. „ „ M. /riabilis, X \, from the side. 



PLATE XXV. 



1. The Type specimen of M. crassituherculata, X §, from above. 



2. Specimen (b) of M. effusa, X §, the axis of each branch occupied by one or more worm- 



tubes with thick stems ; cf thin-stemmed specimen, PI. XXVII. 



PLATE XXVI. 

 A large stock of M. hispida, X |, with convex basal expansion. 



PLATE XXVII. 



1. Specimen (a) of M. effusa, X ^, from above, with thin stems ; cf. thick-stemmed specimen, 



PI. XXV. 



2. The Type specimen of M. traheculata, X i, from the side. 



3. „ „ M. informis, X i, from the side. 



PLATE XXVIII. 



1. The Type specimen of Jf. cfflorescais, x J-, from the side. 



2. „ „ M. dlisi, X \, slightly tilted. 



3. „ „ M. striata, X f , from the side. 



PLATE XXIX. 

 Specimen (a) of 3L solandcri, x \, from above. 



PLATE XXX. 

 Specimen (/ ) of M, foliosa, X ^, from above. 



PLATES XXXI.-XXXIV. 



Lithographed drawings of enlarged ealicles, showing details to assist in the diagnosis of 



the species. 

 (On PI. XXXII., fig. 9 should be M. rubra ; see text, p. 46. On PI. XXXIV. fig. 1, the 



interstitial floor shown is developed where the corallum is beginning to die down). 



LONDOK : FEINTED BY WILLIAM CliOWES ASD SONS, LDIITED, STAMFORD STREET AKD CHARING CK0E3. 



