274 THE ENTOMOLOGIST. 
third deeply notched on the hind side; fourth segment 
yellow, with a transverse black spot in the disk ; under side 
like the upper side. Legs yellow. Wings pellucid; veins 
black, yellow at the base. Halteres yellow. Length of the 
body 44 lines. Cairo. Wady Nash. 
48. S. turbidus. Male. Aneous. Head yellow; vertex 
and hind border zneous, the latter and the thorax with short 
yellowish hairs; a black streak extending to the peristoma. 
Antenne black. Scutellum dingy yellow. Abdomen black, 
with chalybeous bands; three large transverse yellow spots 
on each side ; first pair of spots narrowest on the inner side; 
second and third excavated on the fore side, narrowest on the 
outer side ; third and fourth segments with yellowish hind 
borders; under side like the upper side. Legs yellow; 
femora black, yellow towards the tips. Wings cinereous ; 
veins black. MHalteres pale yellow. Length of the body 
44 lines. Cairo. 
49. S. AAgyptius, Wied. Auss. Zweifl. ii. 133. Wiedemann 
conjectures that this may be a variety of S. scutellaris, Fadr. 
Syst. Antl. 252, a native of Hindostan. Cairo. Hor 
Tamanib. 
Gen. MELITHREPTUS, Loew. 
50. M. calceolatus. Spherophoria ealceolata, Macq. Dipt. 
Exot. ii. 2, 104, pl. 17, f. 7. Cairo. 
ERISTALINE].—Gen. Eristatis, Latr. 
51. E. tenax. Musca tenax, Linn. Syst. Nat. i. 2, 984. 
Cairo. Mount Sinai. Inhabits Europe. 
52. E. teniops, Wied. Zool. Mag. ii. 42; Auss. Zweifl. ii. 
182. The markings of the abdomen are variable. Cairo. 
Wady Nash. Inhabits South Africa. 
53. E. taphicus, Wied. Auss. Zweifl. 11.191. Cairo. 
54. EH. horticola. Musca horticola, Deg. Ins. vi. 60. Cairo. 
Inhabits Europe. 
55. HE. punctifer. Female. Chalybeous, with hoary 
tomentum. Head with a black shining callus between the 
antenne and the mouth. Eyes bare, ferruginous, with 
numerous black points. Antenne tawny. Thorax with four 
shining stripes of the ground hue; scutellum of the ground 
hue; hind border dingy testaceous. Abdomen black, dingy 
lestaceous at the base, with four pale testaceous bands, and 
