42 {41) Cirri e present in addition to three pairs of somatic spines Halechiniscus guiteli 



42 (Al) Cirri e present but additional somatic spines absent 43 



43 (-42) Enlarged papilla on shank of hindmost legs; body outline smooth Halechiniscus perfectus 



43 (-42) Simple leg spine present on shank of hindmost legs; body with slight sequential ridges . . Halechiniscus subterraneus 



20 



