occurring in the Coleopterous family Lycida, ^c. 101 



Genus 22. 



Rostrum none. Antennae not very long, joints 3 — 10, 

 with a long compressed branch proceeding from the base 

 of each. Thorax with seven areolets. Elytra as in 

 Genus 21. 



Type, L, excellens, sp. n. 



Genus 23. Eros, Newman, Ent. Mag. v. 1838, p. 382. 



Rostrum none. Antennte simple. Thorax with five 

 areolets. Elytra quadricostate, the interstices with two 

 lines of foveolse, the lines divided by a fine costa. 



Type, E. humeralis, Fabr. ; E. aurora, Fabr. 



Genus 24. Platycis, Thomson, Scand. Col. v. 1863, 

 p. 162. 



Rostrum none. Antennae slender and simple. Fore- 

 head produced between the bases of the antennre. Thorax 

 subquadrate, with seven not well-defined areolets. Elytra 

 nearly as in Eros. 



Type, P. minutus, Fabr. 



Genus 25. 



Rostrum none. Antennae dentate. Thorax, five areo- 

 lets, two small anterior, one mesial posterior lanceolate, 

 and one large one occupying each side. Elytra with four 

 strong costEe, the interstices with regular distinct trans- 

 verse COStffi. 



Type, L. costifer, Walker. 



Genus 26. Metriorhynchus, Guerin, Voy. Coq. 1838, 



p. 72. 



Antennte dentate. Rostrum variable. Thorax with 

 seven areolets. Elytra with nine parallel costal, the inter- 

 mediate ones for the most part less elevated, and in some 

 cases almost disappearing. 



Type, M. parallelus, Guerin. 



Genus 27. 



Rostrum none. Antennte dentate. Thorax with five 

 distinct areolets. Elytra Avith four costte, the interstices 

 irregularly punctured. 



Type, M. clientulus, C. Waterh. 



