PLATE XXI. 



FAMILY I. PULICIim 



GENUS!. Pulex (p. 1). Fig. 1. Pulex irritam, female. 1 a*, mouth 

 of Pulex Canis, with the parts separated : md. mandibles, mx. 

 maxilla, (* the thickened basal portion, f the thin apical portion,) 

 m.p. the maxillary palpi, t. the tongue, mn. mentum, 16. labium, 

 l.p. labial palpi ; 1 1*, end of one of the mandibles, showing the 

 thickened horny and thinner hyaline edges, the marginal denticu- 

 lations strongest on the former ; 1 c*, parts of the mouth, seen 

 laterally, showing one maxilla and its palpus, one mandible and the 

 labiurn with its pair of four-jointed palpi ; 1 d*, the same parts 

 seen in another position ; 1 e*, maxilla with its palpus ; I/*, ter- 

 minal joint of the tarsus of the middle leg, showing only one of 

 the ungues, lobed at the base, somewhat as in the Coriacefe, four 

 rigid spines beneath, and several more slender ones round the tip ; 

 1 g*, the two ungues ; 1 Ji*, portion of one of the ungues, show- 

 ing it to be obliquely but finely striated and crenated. 



FAMILY II. MYCETOPHILUm 



GENUS 1. Mycetophila (p. 8). Fig. 2. Mycetophila c'mgulum. 2 a, 

 face and antenna of ditto ; 2 b, wing of M. binotata. 



GENUS 2. Cordyla (p. 25). Fig. 3. Cordyla crassicornis, Meig. i. 



275, n. 2. 3 a, antenna of ditto; 3d, terminal joint of tarsus, 



with ungues and pulvillus. 

 GENUS 3. Azana (p. 26). Fig. 4. Azana anomala, Staeg. (Scatopso- 



ides, Wlk.). 4 a, head seen in front; 4 b, ditto, sideways. 



GENUS 4. Leia (p. 26). Fig. 5 a, wing of Leia Winiliemi ; 5 b, face 

 of L. trimaculata (wing as in 5 a) ; 5 c, wing of L. pulchella 

 (Curtis); 6, L. brevicornis, Zett. (= Cordyla valida, ante, p. 25, 

 and L. Mvola, ante, p. 31); 6 a, face of ditto; 6 b, antenna of 

 ditto. 



(And see Plate XXIX. Fig. 1.) 



GENUS 5. Boletina (p. 33). Fig. 7. Boletina diibia. 1 a, head of 



ditto, seen in front. 



GENUS 6. Sciophila (p. 35). Fig. 8 a, face of Sciophila fasciata ; 

 8 b*, wing of S. pictipennis (omitting the fasciae) ; 8 c*, wing of 

 ,s'. rt'iinxn [Hal.?], with the inner edge folded back. 



(And see Plate XXIX. Fig. 2.) 



GENUS 7. Tetragoneura (p. 44). Fig. 9 a, head of Tetragoneitra 

 (Winnertz) ; 9 b*, wing of T. syh'fif im. 



J. O. W. 



* The figures indicated by a * have been communicated by A. II. Ilaliday, Esq. 



