1144 LIST OF DIPTERA. 



Ornithomyia intertropica, n. s. Picea, ferrugineo varia, verticis 



margine albido, j^dibus fulvis, alis fascis. 



Body pitchy, smooth, shining, thinly clothed with short tawny 

 hairs : crown of the head ferruginous, with whitish horders ; mouth 

 and appendages tawny : chest ferruginous on each side and behind 

 and adorned with a ferruginous stripe : abdomen dull, its tip beset 

 with a few stout black bristles : legs dark tawny, clothed with short 

 black hairs and bristles ; claws black ; wings brown ; wing-ribs and 

 fore border veins pitchy ; the other veins dark tawny. Length of 

 the body 3 lines ; of the wings 8 lines. 

 a. Galapagos. Presented by C. Darwin, Esq. 



Ornithomyia unicolor, n. s. Nigro-picea, pedibus piccis, alis 



fuscis. 



Body, including the mouth and appendages, pitchy-black : 

 head and chest shining : head smooth : eyes pitchy ; the facets 

 rather large : chest finely punctured : abdomen dull : legs pitchy, 

 clothed with short black hairs and bristles; claws black: wings 

 brown ; wing-ribs and fore border veins pitchy ; the other veins 

 dark tawny. Length of the body 3£ lines ; of the wings 9 lines. 



a. Jamaica. On Ephialtes grammicus. From Mr. Gosse's collec- 



tion. 



b. Jamaica. On Frigata aquilus. From Mr. Gosse's collection. 



Ornithomyia remota, n. s. Fulva, scutello sulcis transversis vittato, 



pedibus fulvis, alis subfuscis, 



Body pale tawny : head and chest smooth, shining : eyes 

 pitchy ; facets rather large : mouth pitchy : scutcheon traversed by 

 a row of slight furrows, widening from the fore border to the hind 

 border, which is beset with a few slout black bristles : abdomen 

 mostly dull, clothed with short black hairs, its lip beset with long 

 black bristles : legs tawny, thickly clothed with black hairs and 

 bristles ; claws black : wings pale brown ; wing-ribs and veins 

 pitchy. Length of the body 2 lines ; of the wings 6 lines. 



a. Isle of Tristram da Cunha. From Dr. Leach's collection. 



Ornithomyia vicina, n. s. Picea, c apite humeris abdominis basi et 

 segmentorum marginibus poslicis apice fnlvis, pedibus fulvis, 

 femoribus basi coxisque pallidioribus, iarsis piceis t alis sub- 

 fuscis. 



Body pitchy, smooth, shining: head, shoulders, and base of 

 the abdomen dark tawny: tip of the abdomen beset with black 



