SAHCOPIIAGA. 103 



of the praebrachiiil. Alula; white. Abdomen tessellated with four rows 

 of lohitlsh spots. Hind tibiae of the male rather deeply ciliated. 

 Common. (E.) 



3. albiceps, Meig. Zw. v. 33. 8 (1836); Mcq. ; Zett. Nigra, 

 capite albo-tonientoso, frontalibus piceis, thorace albido-sexvittalo, alis 

 sublimpiclis, abdomine maculis albidis plermique conjluentibus sexvittato. 

 Long. 31-3 ; alar. 6-7 lin. 



Fe^n. Black, with whitish tomentum. Head with shining white to- 

 mentiim in front ; frontalia piceous. Sixth joint of the antennae deeply 

 plumose. Thorax with six tohitish stripes, the two outer pairs connected 

 in front, the inner pair intersected. Wings nearly limpid ; prajbrachial 

 vein forming a hardly acute angle at the flexure, much curved inward 

 near this, and thence almost straight to the tip ; discal transverse vein 

 with two very indistinct curves, parted by a little less than its length 

 from the border, and by more than half its length from the flexure of 

 the prabrachial. Alulse white. Abdomen tessellated, spots mostly con- 

 fluent. 



Rare. In Mr. Saunders^s collection. (E.) 



4. melanura, Meig. Zw. v. 33. 11 (1836) ; Mcq.; Zett. D. S.— 

 albiceps, Zett. I. L. Nigra, capite antice flavido-albo, frontalibus atris, 

 thorace albido-sexvittato, alis subcinereis, abdomine maculis albidis qua- 

 drivittato. Long. 3-4 ; alar. 6-8 lin. 



Black, with cinereous-wdiite tomentum. Head yelloivish-white in 

 front ; frontalia deep black. Sixth joint of the antennas rather deeply 

 plumose. Thorax with six whitish stripes, less regular than those of 

 S. albiceps, the two outer pair connected in front, the inner pair indis- 

 tinctly intersected. Wings slightly grey ; pra;brachial vein forming a 

 right angle at the flexure, curved inward near this, and thence almost 

 straight to the tip ; discal transverse vein with two distinct curves, 

 parted by much less than its length from the border, and by more than 

 half its length from the flexure of the prasbrachial. Alidae white. 

 Abdomen tessellated with four rotvs of whitish spots. 



Common. (E.) 



5. lineata, Fal. Muse. 40. 5 (1810) ; Zett. Nigra, capite albido- 

 cinereo, frontalibus atris, thorace albido-cinereo sexvittato, alis cinereis, 

 abdomine maeidis albido-cinereis subconflucntibus quadrivittato. Long. 

 3-3 ; alar. 4-6 lin. 



Black, with whitish-cinereous tomentum. Frontalia deep black. Sixth 

 joint of the antennas thinly and not deeply plumose. Thorax with six 

 stripes, less distinct and regular than those of most other species, the 

 two outer pairs connected in front. Wings grey ; prrobrachial vein 

 forming a sbghtly obtuse angle at the flexure, very slightly curved in- 

 ward near this, and thence almost straight to the tip ; discal transverse 

 vein with two very indistinct curves, parted from the border by much 

 more than its length, and by much more than half its length from the 



