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494 Faihily JVfajidae
11. (10) F'ostorbital tooth large, curving around eye. Pyromaia
Postotbitai tooth small or, if large, not curving around eye...............;........... 12
12. (11) Carapace rough with spines and tubercles; legs not subprehensile. •..-..
Anasimus tattis
Carapace smooth; legs subprehensile. Inachoides forceps
13. (10) Rostrum considerably less than postrostral length, basal antennal segment often
longitudinally sulcate Podochela
Rostrum approaching or surpassing postrostral length, basal antertnal segment not
longitudinally sulcate i .14
14. (13) Carapace nodulous; long spine at end of merus of each walking leg; rostrum few
spined Metoporhaphis calcurata
Carapace smooth; spines at ends of meri of walking legs no longer than others;
rostrum multispihose Siehdrhynchus seiicornis
15. (2) Eyes with commencing orbits having, in addition to supraocular spine, large,
cupped postocuiar process into which eyes retract; eyestalks short 16
Eyes without true orbits, lacking postocuiar cup. .... 21
16. (15) Intercalated spine present. .... —..............17
intercalated spine absent .18
17. (16) First pair of walking legs much longer than remaining pairs...... Chorinus heros
Walking legs diminishing regularly from first to last pair Nibilia antilocapra
18. (16) Supraocular eave and postocuiar process closely approximated Libihia
Supraocular eave and postocuiar process not closely approximated. 19
19. (18) Rostrum bifid for not more than half its length or at tip only Pelia tnutica
Rostrum bifid for more than half its length. .................. 26
20. (19) Two rows of spines on walking legs Oplopisa spinipes
Walking legs without two rows of spines. Rochinid
21 (15) liyeslalks long; orbit partially protected' by hornlike supraocular spine or by jagged
poslocular tooth or by both; body often truncate in front 22
Eyestalks short, little movable, and either concealed by supraocular spine of sunk
in sides of rostrum; basal antennal Segment truncate-triangular —.......... 25