. Bulletin of the British Museum (Natural History). 64 E. H. EASON Description of holotype. Size: 19 mm long and 2-2 mm broad at Colour: dull brown. Shape: almost parallel-sided; rather narrower than ; body broadest at Head: distorted but probably broader than ; frontal sulcus very marked. Antennae: 7-0 mm long, of 47 articles. Ocelli: I + 5. 4. 3. 2 (Fig. 37). Prosternum: with 2 + 2 teeth ; lateral spine slender but stouter than setae, placed immediately posterolateral to lateral tooth ; lateral to the spine the anterior border appears to slope backwards without formati
. Bulletin of the British Museum (Natural History). 64 E. H. EASON Description of holotype. Size: 19 mm long and 2-2 mm broad at Colour: dull brown. Shape: almost parallel-sided; rather narrower than ; body broadest at Head: distorted but probably broader than ; frontal sulcus very marked. Antennae: 7-0 mm long, of 47 articles. Ocelli: I + 5. 4. 3. 2 (Fig. 37). Prosternum: with 2 + 2 teeth ; lateral spine slender but stouter than setae, placed immediately posterolateral to lateral tooth ; lateral to the spine the anterior border appears to slope backwards without formation of shoulders, but its detailed structure is obscured owing to its being damaged by the pin. Tergites: posterior angles of and 10 rounded, those of and 14 blunt; posterior borders of large tergites feebly emarginate ; posterior angles of obtuse, those of with feeble projections, those of with more marked projections (Fig. 38) ; intermediate tergite moderately emarginate posteriorly. Coxal pores: 3, 4, 4, 4 ; circular ; separated from one another by more than their own diameter. 14th leg: with an accessory apical claw. 15th leg: 5-5 mm long; accessory apical claw absent. Male secondary sexual characters: 14th tibia not sulcate although Pocock mentioned a dorsal sulcus on this article; 14th femur with a feeble dorsal sulcus ; 15th tibia with a distinct shallow dorsal sulcus. 37 0 OOooo rS O 0°. Figs. 37-38. Lithobius persicus. Fig. 37. Ocelli. Fig. 38. nth to 14th tergites, dorsal. Spinulaiion: I 2-11 12 13 14 15 Ventral p F T mp amp amp mp amp amp amp amp amp amp amp am amp amp am amp amp am P F T mp ap — amp ap ap amp ap ap amp ap ap amp P P amp P — Remarks. Alokobius was erected by Attems (1926) to receive species such as L. persicus with some modification of the male 14th or 15th tibiae; it was later reduced to a subgenus of Lithobius (Attems 1938) and most authors disregard it altogether. L. persicus is not easily recognizable from Pocock's desc
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