Entomological Society. 537 



The genus F(enus, Fabr., contains sixteen species, of which the 

 following are described as new : — 



Foenus Esenbeckii. Piceo-rufus, mesothoracis tergo rugosulo, an- 

 tennis rufis, articulo Zthfusco, alts liitescenti-hyalinis, areola 

 minuia, discoidali, suhconka. Syn. F. affectutor var. /5 Esenbeck. 

 Germany. 



Foenus Guildingii. Gracilis, niger, thoracis et abdominis lateribus 

 rnfescentibiis, oviductu fere corporis longitudine, vaginis et terebru 

 apice albidis, tihiis et tarsis 4 anticis albis (^ $ . Long. corp. 

 lin. 5i. Island of St. Vincent. 



Foenus dorsalis. Fe?-ritgineus, capite supra medio mesonoti scutello- 

 que nigris, abdomine piceo, segmentis apice rufescetitibus, pedibns 

 piceo-riifis, femoribus tibiisque 4 anticis in medio nigris $ . In 

 Mus. Brit. 



Foenus terminalis. Niger, thorace lavi, opaco, lateribus rvfo-piceis, 

 tibiis 4 anticis albis, linea interna nigra, posticis nigris, clavatis, 

 annulo basali albo, tarsis albis apice fuscis, oviductu longitudine 

 corporis, vaginis apice late albis $ . Long. corp. lin. 9|. Nova 

 HoUandia. 



Foenus unguiculatus. Niger, rufo-piceo-varius, areola minuta dis- 

 coidali obliterata, unguibus tarsorum maximis (in pedibvs posticis 

 dimidium tarsorum longitudine ccquantibus ^). Long. corp. lin. 5^. 

 Nova Hollandia. 



Foenus Darwinii. Piceo-niger rufo-varius, pedibus rufo-fulvis, areola 

 discoidali magna ^ . Long. corp. lin. 3. Nova Hollandia. 



Foenus rufus. Tolas rufus, capite thoraceque punctatis, alarum areola 

 discoidali mediocri ^ . Long. corp. lin. 5^. West Australia. 



In the genus Aulacus, of Jurine (of which the male as well as 

 the mouth organs are described in detail), fifteen species are intro- 

 duced, including the following as new : — 



Aulacus obscuripennis. Niger, capite Icevissimo, thorace antice irre- 

 gulariter striato, postice 7-ugoso, abdomine medio rufo, alis hyalinis, 

 nubila parva media, fascia substigmaticali apnceque tenui fuscis $ . 

 Long. coq). lin. 5f . Poland. 



Aulacus Erichsonii. Gracilis, niger, antennarum articulo 1^° sub- 

 tus fulvo, petiolo nigra, abdominis dimidio basali rufo, fascia tenui 

 transversa nigra, apice nigra, coxis nigris, pedibus 4 anticis favido- 

 rufescent ibus , femoribus 2 posticis fuscis, tibiis obscuris, apice ru- 

 fescentibus, tarsis omnibus albidis, alis nubila substigmaticali 

 apiceque parum fuscis 1^ . Long. corp. lin. 5|. Prope Berolinum. 



Aulacus thoracicus. King. ined. Niger, collari et mesothoracis dorso 

 sanguineo, striate, alarum casta, areola marginali et 1""^ submar- 

 ginali fuscis ^ ? . Long. corp. lin. 5. Cap. Bon. Spei. 



Aulacus Stephanoides. Niger, capite et antennarum articulo basali 

 luteis, abdomine elongato gracili, oviductu abdomine duplo longiore, 

 terebra rufu, vaginis nigris apice albis, alis apice pariim fuscis 

 ? . Long. corp. lin. 7. Brazil. 



