Vol. XIX, pp. 113-114
September
6, 1906PROCEEDINGS
OF THE
BIOLOGICAL SOCIETY OF WASHINGTON
A NEW SCYLLARIDES FROM BRAZIL.
BY MARY
J.RATH BUN.
Bypermission of theSecretary oftlieSmithsonianInstitution.
The specimen here
describedwas among
thosetaken
V)y theU.
S.Fish Commission steamer
Albatrossduring her voyage around
theHorn
in1887-88.
Scyllarides brasiliensis sp.nov.
T(/pe.
—
Female, in alcohol. Baliia, Brazil. U. S. FishCommisgion
steamer Albatross,December
21, 1887. Cat. No. 21,G12, U.S. NationalMuseum.
Characters.
— Very
hairy. Carapace varyinglittleinwidth. Orbitsnear the anterior corners; distance from orbit to side margin|of distance from orbit tomiddleof carapace; transversediameter of orbitmuch
lessthan longitudinal diameter. Inner margins of first threemovable
joints of antennpe dentate,teeth flattened, not erect; antepenult segment without prominentteeth attheangles.Firstsegment of
abdomen
withtwo circularand
distantredspots,the interspace greaterthanthe distancefromeitherspot to the outer margin oftliesegment. Secondtofifthsegmentsmediallycarinate.Crests
on
themeropoditesofthelegsbecoming
successivelyless promi- nent fromthe first tothe fifth pair; thesame
is true of their terminal teeth.Very
slight crestsonthe carpopodites; propoditesrounded above.Legsof thirdtofifthpairsrather long
and
narrow.Measurements.
—
Lengthof carapace,86.5; greatestwidth,80.5mm.
Remarks.
—
AlliedtoS.cequinoctialis (Lund).*
*Skrivt.Naturh.—Selsk.,Copenhagen,11.pt.2,p. 21, 1793.
25—Pkoc. Biol. Soc. Wash., Vol.XIX, 1906. (113)