176 J'.ULLETIN IT), UNITED STATES NATIONAL MITSEUM. 



r» (»r 7 \ isihl*' tcrjiitcs, the tliiid tlio lai'^^est. tlu' liist, furni.slicd with a 

 lioiM at base cxtciKliiiji (>\ cr tlic iiictathorax. 

 Le,i;s as in ^icolxs. 



Male mikiKnvn. Allied to Ii<ti(s, Ac<>hts, and A<<)l<>i<les^ hut readily 

 separated by the project iiij;' lioiii at the l)ase of th(> abtbniien, as in 

 Bari/coniiSj C'alotclcid, etc. 



The two species known to nie may l)c tiins tabnlatcd: 



TAJJLE OF SPECIES. 

 Wingli^ss 2 



I?I;ick, tinclv, closely piiiK-tiiliitf; le<;s ami autciiii.c. _\elli>\v. 



Alxloincii iiniiilcd ()\a1f, ](jiiger than the head and tli*; thorax togislluT 



V. COKNUTUS. Sp. IIOV. 



2. Head and thorax Ijlack, tiiioly, closely i>iuiotulute. 



Altdouien, legs, and anteunji' bright yellow, the former with two fuscous sjiots 

 toward base C. binotatus, sp. nov. 



Ceratobaeus cornutus sp. nov. 

 (PI. VIII. Fig. S. 9.) 



9. Length, 1.5""". Black, finely, ck)sely ijuuetubite; tlie head with 

 some faint, thimble-like punctures; anteunje and legs, yellow. Head 

 about 3 J times as wide as thick antero-])Osteriorly ; the lower part of face 

 smooth, shining', with a slight grooved line from front ocellus, the rest 

 of the head closely pnnctulate. Antennae T-jointed, the club inarticu- 

 late; the first funiclar Joint is half the length of the pedicel, or twice 

 as long as thick; the three foHowing, transverse. The thorax exhibits 

 two very short grooved lines posteriorly. Just in front of the scutellum, 

 that are evidently the btiginning of the parapsidal furrows. Meso- 

 pleura with a creuulate femoral furrow. Metapleura punctate, di- 

 vided into two parts l)y a fovea and a grooved line. Wings subhyaline, 

 the nervures brown; the marginal vein is about half the length of the 

 stigmal. Abdomen pointed-ovate, depressed, longer than the head 

 and thorax togetlier, minutely punctate, with a microscopic jjubes- 

 cence; the horn on the first segment reaches to the apex of the scutel- 

 lum and is wholly longitudinally striated; the second segment is much 

 wider but no longer than the first; the third segnumt is the longest 

 and widest, being '^h times as long as the second; the fourth, is about 

 half the length of the second; the fifth still shorter; the sixth, very 

 short, scarcely discernible; the seventh, ])oiuted or conical, and longer 

 than the fourth. 



IIAEITAT. — Washington, I). C. 



Type in Ooll. Ashmea<l. 



Described from a single s])ecinu'ii taken by iVIr. E. A. iSchwarz. 



Ceratobaeus binotatus sp. iu)v. 



9. Length, (I. S'""'. Mead and tiioiax l>la(k. closely, miinitel\' punc- 

 t^'latc; antenna-, legs, ami abdomen bright yellow, the latter with two 



