SOME NAMES DISENTANGLED 119 
are thickly covered with hair. There is, according to Sars, 
a possibility, which, however, S. I. Smith thinks an impro- 
bability, that the species may be the same as one earlier 
but all too briefly described by Stimpson, from the coast 
of Florida, under the name Scyra umbonatu. The speci- 
men taken by the Porcupine was first described as Amathia 
Carpenteri, but the genus Amathia, Roux, has a pre-occu- 
pied name which has in consequence since been changed, 
by 8. I. Smith, to Anamathia, and Professor A. Milne- 
Edwards discovered that the species Carpenter could not 
be included in that genus. At the same time he noticed 
its likeness to Stimpson’s species above mentioned, and 
framed for it the new genus Scyramathia. From the fore- 
going remarks it will easily be understood what suggested 
the composition of this generic name, but it must not be 
forgotten that Scyramathia belongs to the family Maiide, 
whereas Anamathia stands in the previously described 
Inachidee, and Scyra (though to the exclusion of Stimp- 
son's species umbonata) is a genus belonging to the next 
family, the Periceride. 
Family 3.—Periceride, 
The eyes are retractile within the small circular and 
well-defined orbits, which are not incomplete as in the 
Maiidee. The basal joint of the second antennez is well 
developed, and constitutes a great part of the inferior wall 
of the orbit, the joint being in general much enlarged. 
The family contains about twenty genera. 
Pericéra, Latreille, 1829, of which the type is Pericera 
cornudo (Herbst), 1804, has been despoiled of many of 
its species by Miers, who has transferred them to Macro- 
celoma, a new genus which he instituted in 1879. Of 
the species Macroceloma trispinosa (Latreille) Mr. Ives 
says that Yucatan specimens when alive are of a bright 
scarlet colour. In the Challenger species, Macroceloma 
conciva, Miers, from Bahia and Fernando Noronha, the 
body and limbs are covered with a short close pubescence 
and with some longer curled hairs. Its colour in spirit is 
