534 Mr. G. J. Arrow 07i some 



a matter of opinion, but they afterwards state: '^'But what- 

 ever view may beheld on this ground, Mr. Regan's contention 

 does not hold in the case under consideration. Cyclopium is 

 not the genitive plural of Cyclops, as he imagines, but the 

 neuter form of the adjective cyclopius." I do not know 

 what reasons Messrs. Evermann and Kendall may have for 

 this assertion, but Swainson's * own words, as quoted by me 

 (and not as misquoted by them), seem to establish beyond 

 any doubt that he merely took the specific name, without 

 alteration, and used it for his new genus. 



The statement that 1 object to the family name Argiidic 

 of Gill is hardly correct. On the contrary, I should con- 

 sider it a most excellent name for the group if it is to be 

 regarded as a distinct family. Provided that they be 

 correctly defined and their relations made clear, it ajjpears 

 to me to be a point of comparatively small importance 

 whether the Argiinse or Argiidse be regarded as a specialized 

 group of Loricariidye or as a distinct family. I am inclined 

 to believe, however, that the practice of making every some- 

 what abnormal or peculiar genus the type of a family tends 

 to obscure its relationships. 



LXX. — On some Oriental Aphodiid Coleoptera of the 

 Rhyparus Group, xcith Description of a new Genus. By 

 Gilbert J. Aerow. 



The British Museum having recently received from Mr. George 

 Lewis a very remarkable minute beetle having no close ally 

 among known genera, I have founded for it a new genus 

 which can only be associated with Rhyparus, In the course 

 of studying its affinities I have made a tew notes upon certain 

 other species of this peculiar group which 1 publish at the 

 same time. 



Stereomera, gen. nov. 



Corpus breviter rectangulum, depressum ; caput magnum, clypco 

 late arcuate ; antennae 9-articulata?, articulo primo longo, lunato, 

 in fossa profunda volvente, sccundo breviter cylindrico, tertio fere 

 ad tria sequentes conjuncta aequale, bis inter se a-qualibus, tribus 

 ultimis clavam brcvcm formantibus ; palpi raaxillares loiigi, 

 graciles ; oculi elongati ; coxae anteriores quatuor larainibus 



* Swainson, of course, misquoted Humboldt, substituting Pimelodus 

 cyclopiuyn for Pimelodus cyclopum. 



