REVÍSIÁ mimiA áe HISTORIA NATURAL 
?iitó£jcl6ii ñlutWrH ¡laífrada (Funíaía e' aso í297) 
Oqü\caq$. ef ím'm'oy cultive- 4© las Ciencias Naturaíes-en Chila 
^ PrcmrgOa ro- ei Instirato tíe ?raDcl£ {Acaáémie des Scietcesj 
I UwM T FtnACTís (FunoADOn^í PsoF. Or. CAHUS E FQRrEil C.H.Z.S., III 
Año XXIY. MARZO-ABRIL DE 1920- 2 
ZRLRnUR rORTER 
/{ new Jenus anS jpccicj of IjopoD from '^Chilc 
, DEC 2 O 1! 
BY 
n 
P. L. BOONE ^<:^n¡an 
Aid, Division of Marine Invertebrates, ü. S. National Museum (Washington, D. C.) 
The Isopod herein described were sent to the United 
States National Museum by Prof. Dr. CaHos E. Porter, 
the distinguished naturalist whose ináefatií^able investi- 
gations are directing attention to the Avonderfully rich 
but hitherto neglected fauna of Chile. 
The present form is so distinct from previously 
described Anthuridae ('^) that it has' been necessary to 
establish a new genus for it. 
Calamura Boone, new genus 
Superior antennae with many jointed flagella in both 
sexes and with the respective joints of the flagella set 
with brushlike tufts of setae. Inferior antennae five- 
jointed. Eyes conspicuous. Labium gradually tapering 
and acuminate. Mandible without teeth, forming an a- 
cutely pointed lancet-like organ which widens basally for- 
ming two expanded lobes; the palp of the mandible is 
(*) See Sars. < Crustacea of iN'orway, pp. 43-44 and I^Torjian & 
Stebbing, Trans. Zool. Soc. London, 12, part 4, pp. 119-120, for cha- 
racters of family. 
IS 
