182 Dr. Guy A. K. Marshall on 



widel}' separated from the elytron ; genotype hancockt 

 Kirby Ericydeus Pasc. (1880). 



4. (1) Mentum setose; stria 10 complete. 



5. (6) Scape of antennae exceeding the eye; the corbel of the 



hind tibiae ascending the dorsal edge of the tibia; 

 elytra with irregular accessory rows of punctures; 

 mentum with a transverse row of four setae along 

 the anterior edge; metepimeron exposed, squamose; 

 genotype gibber Fall C?//)^?/s Germ. (1824). 



6. (5) Scape of antennae not exceeding the eye; corbels of hind 



tibiae not ascending; mentum plurisetose. 



7. (8) Longitudinal outline of pronotum very convex, the basal 



margin on a much loAver level than the apical; scrobe 

 curving so abruptly downwards that the direction of 

 the lower part is almost perpendicular to that of the 

 anterior portion ; apical area of the rostrum separated 

 off by a transverse carina; metepimeron not exposed; 

 genotype myrmosarlns Perty . , Trichaphts Pasc. (1880). 



8. (7) Longitudinal outline of pronotum nearly or quite flat; 



scrobe gently curved ; rostrum without a transverse 

 carina. 

 9.(10) Rostrum with the lateral margin of the dorsum carinate 

 and v/ith an ante-ocular impression below the carina; 

 elytra with a posterior callus ; joint 2 of the tarsi strongly 

 transverse ; metepimeron distinct, squamose ; genotype 



avgushis 111 Lamprocyphns, g. n. 



10. (0) Rostrum not carinate laterally and with no ante-ocular 

 impression; elytra without a posterior callus; joint 

 2 of the tarsi as long as or longer than broad; met- 

 epimeron concealed ; genotype juvencus Oliv. 



Germariella Champ. (1911). 



The species assigned to the various genera are set forth 

 in the following list. 



Stenocyphus, g. n. quadripunctatus Champ. 



bituberosus Gyl. roseiventris Champ. 



schonherri Perty. 



JiiPJCYDEUS Pasc. sedecimpunctatus L. 



forreri Champ. viridans Boh. 



JiancocJci Kby. yucatanus Champ. 

 lautus Lee. 

 modestus Gyl. 



nigroj)unctatus Chev. Trtchaptus Pasc. 



placidus Horn. myrmosarius Perty. 



