MADREPORA. 199 
List of specific names incidentally used by various authors, together with others which have 
~ not been accompanied by a description. 
M. rudis, Dana, Zoophytes, p. 459. ?=M. valida, Dana. 
M. scabricula, Dana, op. cit. p- 468. ?=WM. aspera, Dana. 
M. quadrata, Dana, op. cit. p. 487. ?=M. securis, Dana. 
M. corymbites, Valenciennes, Comptes Rendus, 1860, t. 1. p. 1008. Nomen nudum. 
M. flabilis, Valenciennes, loc. cit. p. 1008. Nomen nudum. 
M. radicans, Valenciennes, loc. cit. p- 1008. Nomen nudum. 
M. circinata, Valenciennes, loc. cit. p- 1009. Nomen nudum. 
M. expansa, Valenciennes, loc. cit. p- 1009. Nomen nudum. 
M. poculenta, Valenciennes, loc. cit. p- 1009. Nomen nudum. 
M. papillosa, Klunzinger, Corallenth. d. roth. Meeres, Th. ii. p. 9. ?=M. pustulosa, 
Klunzinger, i. e. M. klunzingeri, Quelch, the name being preoccupied. If it were 
quite clear that Klunzinger intended to refer to M. pustulosa, Klz., when using the 
name papillosa, it is probable that klunzingeri should give place to it. 
M. esperi, Rehberg, Abh. nat. Ver. Hamburg, 1892, Bd. xii. p. 39. Name suggested for 
M. muricata, Esper, Pflanzenth. Fortsetz. p- 52, Madr. pls. ix. & xi. 
M. edwardsii, Rehberg, loc. cit. p. 33. Name suggested for the specimen figured by 
M.-Edwards & Haime, Coralliaires, pl. E1. fig. 4, which is not M. echinata. 
M. spinosa, Rehberg, loc. cit. pl. iii. fig. 4. Species not described. 
M. symmetrica, Rehberg, loc. cit. p. 33. Pelew Islands. Nomen nudum. 
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