BRITISH HYMENOPTERA. 
29 
Pemphredon leucostoma, Fab. Syst. Piez. 314, 1. 
Crabro bidens, Halid. Ent. Mag. i. 516, $ . 
Crossocerus leucostoma, St. Farg. Hist . Nat. Ins. iii. 180, 13- 
Hab. — Britain, decaying wood. 
18. Crabro elongatulus. 
Crabro elongatulus, Van der Lind . Obs. ii. 62, 25, $. Shuck. 
Foss. Hym. 154, 16, $ . Dahlb. Hym. Europ. 315, 196, <£ , $ . 
Crabro hyalinus, Shuck. Foss. Hym. 161, 21, 9 ? 
Crabro albil abi is, Zett. Ins. Lapp. n. 445, 10 ? $ . 
Crossocerus elongatus, St. Farg. Hist. Nat. Ins. iii. 193, 27, $ , 9- 
Hab. — London district. 
19. Crabro luteipalpis. B. M. 
Crossocerus luteipalpis, St. Farg. Ann. Soc. Ent. Fr. iii. 785,23. 
Crabro luteipalpis, Shuck . Foss. Hym. 155, 17. 
Crabro elongatulus, Dahlb. Hym. Europ. $ (var.). 
Hab. — London district 
20. Crabro proximus. 
Crabro proximus, Shuck. Foss. Hym. 156, 18. 
Crabro elongatulus, Dahlb. Hym. Europ. 315, 196, 9? 
Hab. — Not known. 
21. Crabro podagric us. 
Crabro poda^ricus, Van der Lind. Obs. ii. 60, 23. Shuck. Foss. 
Hym. 157, 19. Dahlb. Hym. Europ. 339, 222. 
Crabro carbonarius, Dahlb. Exam. Crabr. Z\,l ? 
Crossocerus podagricus, St. Farg. Hist. Nat. Ins. iii. 189, 23. 
Hab. — London district. 
22. Crabro capitosus. B. M. 
Crabro capitosus, Shuck. Foss. Hym. 159, 20. Dahlb. Hym . 
Europ. 317, 198. 
Crabro annulus, Dahlb. Exam. Crabr. 40, 10 ? 
Hab. — Birch Wood Kent. 
D 3 
