194 ■ Dr. E. Bergrotli on neio or 



magnis, eminentibus, vertice ociilo uno circiter duplo lafciore, 

 rostro basin segmeriti tertii veutris subattingente, articulo secundo 

 tertio breviore, antennis crassiusculis, articulo secundo tertio 

 multo breviore, hoc et quarto aeque longis, quinto quarto paullo 

 longiore. Pronotum lateribus rectum ( c5' ) vel levissime sub- 

 rotundatum ( 5 )• Scutellam corio paullo longius, punctura ante 

 medium prope latera in maculam oblongam stepe coacervata. 

 Pleurae pares irregulariter uigro-punctulatse, area evaporativa 

 metapleurae in mesopleuram late usque ad angulum ejus late- 

 ralem anticum extensa. Corium margine apicali leniter rotun- 

 datum, punctura ad angulum apicalem plus minusve confiuente. 

 Connexivum crebre concoloriter punctulatum, angulis apicalibus 

 segmentorum leniter prominulis. Venter medio losvi excepto 

 parce subtiliter concoloriter punctulatus, segmento genitali maris 

 apice arcuato-sinuato. 

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



Nyasaland {Dr. B. Davey). 



A strikingly distinct sj)ecies, more allied to E. signoreti, 

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



Named after Mr. Guy A. K. Marshall, whose five 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 [G. C. Goiodey). 



Tlie East-African specimens differ from the typical AVest- 

 African form in being darker, with the corium and clavus 

 uniformly fuscous ; the structural characters are identical. 



Fam. Pyrrhocoridae. 



Cenceus gowdeyi^ sp. n. 



Oblongo-ovalis, rufescenti-testaceus, capita, margine lateral! pro- 

 thoracis epipleuraque corii rufls, 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 longitudinal! 

 prteditum, rostro fusco, medium segmenti secundi veutris attin- 

 geute, articulo primo antennarum fusco, capite paullo longiore, 



I 



