PLATE XXI. 



Family I. PULICID^. 



Genus 1. Pulex (p. 1). Fig. 1. Pulex irrituns, female. 1 a*, month 

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

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

 ni.p. the maxillary palpi, t. the tongue, mn. mentum, lb. labium, 

 l.p. labial palpi ; 1 b^, 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 

 labium with its pair of four-jointed palpi ; 1 c?*, the same parts 

 seen in another position ; I «-*, maxilla with its palpus ; If*, tev- 

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

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

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

 1 (/*, the two ungues ; 1 h*, portion of one of the ungues, show- 

 ing it to be obliquely but finely striated and crenated. 



Family II. MYCETOPHILID^. 



Genus 1. Mycetophila (p. 8). Fig. 2. MycetopMla cingulum. 2 a, 

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



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

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

 with ungues and pulvillus. 



GiiNUS 3. Azana (p. 26). Fig. 4. Azana anomala, Stseg. (Scaiopso- 

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



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

 of L. trimamdata (wing as in 5 «) ; 5 c, wing of L. piilchella 

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

 and L. Jielvola, ante, p. 31) ; 6 «, face of ditto; 6 b, antenna of 

 ditto. 



(And see Plate XXIX. Fig. 1.) 



Genus 5. Boletina (p. 33). Fig. 7. Boletina dubia. 7 a, head of 

 ditto, seen in front. 



Genus 6. Sciophila (p. 35). Fig. 8 r/, face of Sciophila fasciata ; 

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

 S. venosa [Hal.?], with the inner edee folded back. 

 (And see Plate XXIX. Fig. 2.) 



Genus 7. Tetragoneura (p. 44). Fig. 9 a, head of Teiragonenra 

 (Winnert/,) ; 9 b*, wing of T. sylvatica. 



J. 0. w. 



* The figures iudicatid by a * have been eominmiiealeil by A. H. llaliday, Ksq. 



