cercopid;e. — psyllid^, 361 



9872. 26; flammigera. 



Ci. flammigera. Mus. Marsham. 



9873. 27; hsematica* mihi. 



9874. 28; pulchella* mihi. 



9875. 29; obscura* Tnj'Ai. 



9876. 30; pallida* mihi. 



FamUialV: (169). PSYLLTD^ % Latreille. 

 Genus 21 : (1432). PSYLLA, Geoff., Leach, Samou. 

 CheRMES, Linne, (Kirhy.') 



9877. 1; Alni*. Latr. G. iii. 169. — Leach E. E. ix. 125.— 

 Samou. 231. 



Ch. BetulfB Alni. {Linn. ii. 738.) — DeGeer. iii. 148. pi. 10, 

 ^-.8. — Berk. S. i. 121.— (S^ezc. ii. ill.) — Turt. ii. 711. — 

 ^Shaw G. Z. vi. 186. 



9878. 2. Graminis. 



Ch. Graminis. {Linn. ii. 737.)— Berk. S. . 121. — {Stezo. ii. 

 111.) — {Turt. ii. 710.) 



9879. 3, Ulmi. 



Ch. Ulmi. {Linn. ii. 757.)— {Stew. ii. lU.)— {Turt. ii. 710.) 



9880. 4. Cerastii. 



Ch. Cerastii. {Linn. ii. 737.)— (S^ezc. ii. 111.) — Turt. ii. 710. 



9881. 5, Pyri. 



Ch. Pyri. {Linn. ii. 737.) — DeGeer. iii. 141. pi. 9. f. 2. — 

 Berk. S. i. 121. — {Stezo. ii. 111.) — Turt. ii. 710, — SAazo 

 G. Z. vi. 187. p/. 59. fg. sup. 



9882. 6; Sorbi. 



Ch. Sorbi. Linn. ii. 738— Ber/c. S. i. 121.— (S^ea?. ii. HI.)— 

 Turt. ii. 710. 



9883. 7. Calthae. 



Ch. Calthse. {Linn. ii. 738.)— (S/ea. ii. 111.)— Turt ii. 710. 



9884. 8; Buxi. 



Ch. Buxi. {Linn. ii. 738.}— {Stew. ii. 112.) — Shazc G. Z. vi. 



187.pl. 59. fg. inf. — Wood. i. 114. pi. 40. 

 lUaum. I. iii. 29. pi. 1-14. 



9885. 9, Urticae. 



" In this and the three remaining Families I have done little more than 

 bring the various references of English writers together ; the vastness of 

 the science of Entomolog)-, as may be readily conceived by the foregoing 

 pages, and a constant residence in the metropolis, having prevented me 

 from devoting that attention to these sadly neglected, though highly in- 

 teresting, groups, which is requisite in order to obtain a correct knowledge 

 either of the species or their aflSnities, 



