Sclerosoma Lucas (i) 



Liohuniim C. Koch. (2) 



442 Families, Genera and Species of British Spiders, etc. 

 TABLE B.— GENERA. 



I. Fam. Phalangiid.t:. 



A. Margin of cephalothorax without lateral 



pores : abdomen with strong denticula- 

 tions ; body covered with a large scu- 

 tum ; palpi short 



B. ]\Iargin of cephalothorax with lateral pores: 



Abdomen either smooth or with small 

 denticulations : scutum absent ; palpi 

 long. 



I. Eye eminence without denticulae ; 



lateral pores small. Tibiae of second 

 pair of legs with false articulations . . 



II. Eye eminence with denticulae ; lateral 



pores large. Tibiae of legs II. with- 

 out false articulations. 



1. Palpi without or with only small 



apophyses. 



(a) Cephalothorax with three spines 

 in a line near the anterior margin. 

 Legs I. metatarsi without false 

 articulations 



{b) Cephalothorax without these fron- 

 tal spines ; Legs I. metatarsi with 

 false articulations (except P. 

 saxatile) 



2. Palpi with more or less strong apop- 



hyses. 



{a) Both cubital and tibial joints of 

 palpi with apophyses ; spines on 

 eye eminence small and blunt . . 



(fe) Cubital joints of palpi only with 

 apophyses ; spines on eye emi- 

 nence, 5-5 long, divergent and 

 pointed 



II. Fam. Nemastomatid.^. 

 Eye eminence low, very near anterior margin 



of cephalothorax. 



III. Fam. Trogulid^. 



A. Legs I. and II. tarsi of two articulations ; 



legs III. and IV. tarsi of three articula- 

 tions ; two posterior abdominal seg- 

 ments surrounding the anal plate 



B. Legs I. and II. tarsi of three articulations ; 



legs III. and IV. tarsi of four articula- 

 tions ; last abdominal segment only 

 surrounding the anal plate 



Oligolophiis C. Koch. (6) 

 Phalangium Linn. (3) 



PlatybmiHs C. L. Koch. (4) 



Megabitnus ]\Ieade (5) 

 Nemastoma C. Koch. (7) 



TroguUts Latr. (8) 



A uelasmocephahts Camb. 

 (9) 



TABLE C— SPECIES. 



(i) Geii. Sclevosoma. 



A. Tibiae of legs without spines ; abdo- 



minal denticulae short and blunt 



B. Tibiae of legs with strong .spines ; ab- 



dominal denticulae sharp and pointed ronunium L. Koch.* 



qitadrideiitatitm C\\\ 



* Professor Kulczynski in ' De Opilionibiis ' (1904), p. 79, states thai 

 5. rotnanum L. Koch, is merely the young of 5. quadridentaium Cuvier. 



