376 Dr. Malcolm Cameron on 



Actobius Faiiv. 

 1. Black, shining ; antennae and legs fuscous, 

 the first two joints of the former 

 and the femora testaceous. Length . 

 4 mm. ...... (30) laticeps Cam. 



Philonthus Curtis. 



1. Last joint of the Ial)ial ])al))i not longer 



than t}\e preceding; head ol)long (Sub- 

 gen. Gabrius). 13. 



— Last joint of the labial pal[)i longer than 



the preceding. 2. 



2. Thorax on either side of the middle line 



with a row of three pimctures,* elytra 

 with a double series of large punctures, 

 two sutural and three or four sub- 

 humeral. Length 6-9 mm. . . iiotab'dis Kr. 



— Thorax on cither side of the middle line 



with a row of more than three 



punctures. 3. 



3. Thorax on either side of the middle line 



with a row of four punctures; head 

 suborbiculate ; 1st joint of the 

 antennae, coxae and legs testaceous, 

 the tibiae often infuscate; abdomen 

 slightly iridescent. Length 6-8-5 mm. dclkaialns Boh. 



— Thorax on either side of the middle line 



with a row of five punctures. 4. 



4. Antennae entirely rufo-testaceous ; thorax 



and elj'tra castaneous-red ; abdomen 

 pitchy; legs testaceous. l^ength 

 6 mm. ..... [W) auM'uieipennisC&m. 



— Antennae dark, at most willi the base and 



more oi' less of the aj)c\\ lightei'. 5. 



5. Antennae with the base and at least the 



terminal joint leddish-testaccous, the 

 penultimate joints strongly transverse. 6. 



— Antennae with the base at most lighter. 7. 



6. Antennae Avith the base and terminal 



joint rufo-testaceous; elytra entirely 



lilack. Length 3-75 nun. . . crassicornis Fauv. 



* Erichson's notation. 



