the A|)i(he i*/j the Brlilsh }fuseHm. oil 



Key to the new Species. 



AMomen mostly black, end of abdomen 

 nd, the colour either tognmeutary or 

 due to hair. 



1. (4) Apex of abdomen with the tojfumont red. 



2. (3j Head, tliorax, and abdomen for the moAt 



part clothed witli fidvotis-grey pubes- 

 cence ; tergitea 4-(J almost completely 

 dusted with such pubescence; clypeus 

 with the apex emnr{,'inute ; a broad 

 species, 1 1 mm lecuwineHsU, sp. n. 



3. (2) Thoracic and abdomiiuil pubesconce gri- 



seous ; ciypeiis truncate at apex ; a small 



slender species, 8. J mm louyiceps, sp. n. 



4. (1) Apex of abdomen with tegument not red. 



5. (10) Clypeus very short, deeply emarg^inate, at 



least with lateral teeth or lamin.e. 



6. (7) Small (about 8 mm.). Mandibles biden- 



tate ; clypeus with a median tooth and 



a large process on each side preiisiyQ\i\\.{\2\0). 



7. (6) Larger (12-15 mm.). No median tooth 



on clypeus at apex ; mandibles 3-4- 

 toothed. 



8. (9) Mandibles deeply furrowed along the inner 



margin, 3-toothed, a large blunt tubercle 

 on the outside at base; axillae with a 

 distinct patch of whitish pubescence. 

 15 mm axillaris, sp. u. 



9. (8) Mandibles normal, not furrowed along the 



inner margin, and no tubercle at base, 

 no patches of pale pubescence on axillae. 

 12 mm speluncarum, sp. n. 



10. (5) Cly|)eus about half as long as broad, the 



apex at least not deeply emarginate. 



11. (12) Scopa black ; abdomen black, tergites 



1, 2, and 3 (partly) with white apical 

 fascia? of pubescence, tergite 6 with a 

 small patch of ferruginous red hair. 

 Ifi mm resinifera, sp. n. 



12. (11) Scopa pale, sternite sometimes fuscous. 



13. (14) Upper part of clypeus with a median raised 



line, its lower margin 4-dentate, the [(1910). 



teeth small remotula, Ckll. 



14. (13) Clypeus truncate at apex, no median raised 



line. 



15. (IG) Abdomen subparallel-sided, tergites 5 and 



with red hair-patches ferox, F. Smith. 



10. (15) Abdomen ovate ; tergite (and sometimes 



5 at extreme apex) with red hair »ubferox, sp. n. 



6 6- 



1. (4) Anterior tarsi simple or flattened, Ijut not 

 conspicuou-sly d dated ; pubescence of 

 head and thorax griseous. 



22* 



