Genera and Species of Scolopendridge. 229 



a 11 . Anal pleurae very small, without pores and 

 without spines. 



a 12 . Antennas longer ; head not covering the 

 maxillipedes. 

 Asanada, Meinert. Type brevicornis, 

 Mein. 

 b x2 . Antennas very short ; head covering the 

 maxillipedes. 



Pseudocryptops, gen. nov. Type Walkeri, 

 sp. n. 



b 11 . Anal pleurae larger, porous and spined. 



a 13 . Head not covered posteriorly by the 

 first tergite. 



c 14 . Basal plate visible between the head 

 and first tergite ; claw of anal leg 

 very long. 

 Arthrorhabdus, gen. nov. Type formosus, 

 sp. n. 

 b 14 . Basal plate absent; claw of anal leg 

 small. 

 Scoloj/eiidra* (Linn.), Leach. Type 

 gigantea, Linn. 



b 13 . Head covered posteriorly by the first 

 tergite. 



a 15 . Head sulcate ; tarsi unspined ; 

 basal plate visible. 



a 16 . Stigmata large, triangular ; anal 

 legs thinner and claw smaller. 

 Cormocephalus, Newport. Type rubriceps, 

 Newp. 

 b ie . Stigmata small ; anal legs 

 thicker, claw long. 

 Cupipes, Kohlrausch. Type amphieurys, 

 Kohl. 



6 16 . Head not sulcate ; basal plate 

 invisible ; stigmata ear-shaped. 

 Otostigma, Porath f. Type carinatum, 

 Porath. 



6 9 . Anal legs not provided with a claw and with the 

 three distal segments enormously widened and 

 leaf -like. 



Alipes, Imhofl" J. Type miilticostis, Inihoff. 



b s . Seventh somite bearing a pair of stigmata. 



a 17 . Stigmata small, not sieve-like. 



* Syn. Rhombocephalus , Newport ; Eurylithobius, Butler, 

 t Syn. Branchiotrema, Kohlrausch. 

 J Syn. Eucorybas, Gerstaecker. 



