184 LAMELLICOENIA. 



Calcaria postica gracilia, libera. Ungues dente inferiore multo breviore, vix grossiore nee deflexo. Anten- 

 narum clava valde elongata, cseteris articulis conjunctis longior ; articulo 5° quam prsecedens longiore. 

 Long. 10-11 millim. 



Eab. Mexico, Ciudad in Durango (Edge). Two male examples. 



Very closely allied to P. cegrotus, but sufficiently distinct by the clypeus being much, 

 shorter, broader, and less quadrate, and sinuated on its front margin. The lower tooth 

 of the tarsal claws is also rather longer and narrower. The thorax is clear testaceous- 

 red and not castaneous on the disc as in P. cegrotus and its var., which latter partly 

 bridges over the difference between the two species. 



25. Phytalus fissilabris. 



P. bucephalo similis, quoad clypei formam Lachnosternce longitarsi (Say) simillinius ; differt inter alia tborace 

 grosse punctato. Parvus, angustus, castaneo-fuscus, pedibus fulvo-testaceis, nudus, fronte thoraceque pilis 

 nonnullis elongatis ; clypeo parvo, antice profunde sinuato, lateribus rotundatis, supra grosse punctatis, 

 fronte grosse scabroso-punetata ; labro exposito profundissime sinuato ; oculis rnaximis ; tborace 

 grossissime disperse punctato ; elytris ruguloso-punctatis ; pygidio convexo, disperse punctato, apice 

 reflexo; ventris suturis baud deletis subtilibus; antennas 9-articulatse ; mandibula lata, robusta, apice 

 rotundata. 



S . Venter fere lsevis, segmentis 2 -5 m convexis, 6° transversim depresso, punctulato. Calcaria postica gracilia, 

 acuta, libera. Ungues apice fissi, dente inferiore paullo breviore apiceque citius acuminato. Antennae 

 desunt. 



$. Venter convexus, lateribus punctatis. Calcaria postica apice obtusa. Ungues dente inferiore multo 

 breviore. Antennarum clava ovata. 



Long. 10-11 millim. 



Eab. Mexico, Orizaba [Salle), Las Vigas (Edge). 



Two examples only. The male, which is imperfect, has more voluminous eyes, and 

 a more deeply sinuated and more reflexed clypeus, than the female, and the forehead 

 and thorax clothed, but not thickly, with long, fine, erect hairs. The short clypeus 

 with its large median sinuation causes the labrum to be prominent and exposed. 



3. Antennae ^-jointed, the fifth joint very short. 



26. Phytalus poculifer. 



Parvus, breviter ovatus, livido-fuscus, nitidus ; antennis pedibusque fulvo-testaceis, glaber, fronte tboraceque 

 longissime birtis ; clypeo sat elongato-quadrato, profunde concavo, parce punctato, margine alte reflexo, 

 integro, fronte convexa et grosse punctata ; tborace ante medium valde dilatato, angulis obtusis, supra sparse 

 mediocriter grosse punctato ; elytris sequaliter discrete punctulatis, ecostatis. Mandibula inter labrum et 

 mentum haud exserta. 



3 . Pygidium convexum, politum, glabrum, fere leeve. Venter lsevis, segmento 5° medio penicillato-setoso, 6° 

 margine apicali transversim depresso, punctato. Calcaria postica libera. Ungues dente inferiore multo 

 breviore sed nee latiore nee deflexo ; basi dente lato obtuso triangulari. 



Long. 8| millim. 



Eab. Mexico (coll. Bates). 



A single male example, somewhat immature. The concealed mandibles and 8-jointed 

 antenna? would bring the species within the definition of Erichson's genus Anonetus ; 



