194 Dr. E. Bergrotli on neiv or 



magais, eminentibus, vertice oculo uno circiter duplo latiore, 

 rostro basin segmeuti tertii ventris subattingeute, articulo secundo 

 tertio breviore, antenuis crassiusculis, articulo secundo tertio 

 multo breviore, hoc efc quarto seque longis, quinto quarto paullo 

 longiore, Pronotum lateribus rectum ( c? ) vel levissime sub- 

 rotundatum ( 5 ). Scutellum corio paullo longius, punctura ante 

 medium prope latera in maculam oblongam stepe coacervata. 

 Pleurae parce irregulariter nigro-puuctulatai, area evaporativa 

 metapleura? in mesopleuram late usque ad angulum ejus late- 

 ralem anticum extensa. Corium margine apicali leniter rotun- 

 datum, puuctura ad angulum apicalem plus minusve confluente. 

 Connexivum crebre concoloriter punctulatum, angulis apicalibus 

 segmentorum leniter prominulis. Venter medio loevi excepto 

 parce subtiliter concoloriter punctulatus, segmento genital! maris 

 apice arcuato-sinuato. 

 Long., S 9 mm., $ 11 mm. 



Nyasaland {Dr. B. Davey). 



A strikingly distinct species^ more allied to E. signoreti, 

 Stal, from Senegal, than to any other described form. 



Named after Mr. Guy A. K. Marshall, whose fi^e years' 

 investigations of mimicry and warning colours in South- 

 African insects (Trans. Ent. Soc. Lond. 1902, pp. 287-584, 

 with 15 plates) have so considerably increased our knowledge 

 of this subject. 



Fam. Coreidse. 

 Plectropoda cruciata, Dall. 



Uganda (C. C. Gowdey). 



The East-African specimens differ from the typical West- 

 African form in being darker, with the corium and clavus 

 uniformly fuscous ; the structural characters are identical. 



Fam. Pyrrhocoridae. 



CencBUs gowdey i, sp. n, 



Obion go-ovalis, rufescenti-testaceus, capite, margine laterali pro- 

 tboracis epipleuraque corii rufis, margine basali superiore capitis, 

 impressione fere tota aream elevatam pronoti circumscribente 

 (solum lateribus postice breviter rufo-interrupta), limbo basali 

 scutelli, vitta lata brevi basali clavi pectoreque nigris, membraua 

 sordide rufo-testacea, abdomine fulvo, bucculis, margine apicali 

 pronoti et prosterni inter oculos, limbo postico pleuraram acetabu- 

 lisque eburneis, pedibus fuscis, femoribus (basi excepta) rufis. 

 Caput vertice alutaceum et ibidem linea impressa longitudinali 

 prseditum, rostro fusco, medium segment! secundi ventris attin- 

 geute, articulo prime antennarum fusco, capite paullo longiore, 



