410 m. F. p. Cambridge on 



II*. Vulva witli pair til" ilark hiiij:i(udinalrid>ros. 



a. Abiidinoii witli pale central, dorsal, scal- 



loped band above ('. nii/riventris, Key.'^. 



b. Abdomen unicolorous brown above .... C Kei/srrliiii/ii, F. Cb. 



(C. ferns, Iveyii.) 

 11. Tibia and tarsus of podipalp without any pad 

 of short hair on inner side. Patella and 

 tibia i. equal to or only slig-htly longer than 

 jiatella and tibia iv. 

 A. Ocular quadrangle slightly longer than 

 broad, scarcely narrower in front. Eyes 

 of central quadrangle subequal, anteriurs 

 slightly smaller. 



a. Second row of eyes straight by anterior 



margins. 

 * Size larger, 23-27 mm. 



1. ^'ulva with a pair of oval, convex, 



obliquely convergent tubercles on 

 anterior portion ; lengtii 27 mm. 

 (Patella and tibia i. longer than 

 ])atella and tibia iv.) C. mcdius, Keys. 



2. \ulva without tubercles, simple, 



broad, convex ; length 23 niin. 



(l*atella and tibia i. longer than 



patella and tibia iv.) Cftilcatus, sp. n. 



** Size smaller, 14 mm. Vulva with a 

 convex shiny chitinous rim on each 

 side of anterior portion, encircling a 

 deep concavity. (Patella and tibia i. 

 longer than patella and tibia iv.) .... C. Ellacomci, .'^p. n. 



b. Second row of eyes procurved (straight 



line touching anterior margins of cen- 

 trids pasf^ing through or above centres 

 of later.als or slightly below). 

 a**. Patella and tibia i. longer than patella 

 and tibia iv. 

 X. Ocular area narrower in front ; cen- 

 tral anteriors smaller than central 

 posteriors. 



1. Caraj)ace equal to or longer than 



protarsus iv. 

 la. Carapace equal to protarsus iv. ; 



separable by form of vulva . . C. supinus, sp. n. 



C. vcrtebratus, sp. n. 

 2«. Carapace longer than protai\sus 



iv C. tarsalis, sp. n. 



2. Carapace shorter than protarsus iv. 

 2*. Vulva with two dark chitinous 



pieceson each side, and behind 

 these on each side a stout, 

 curved, dentiform process . , C. alicnu.s, sp. u. 

 2**. Vulva without chitinous .side- 

 pieces ; dentiform process very 

 small, 

 o. Size much larger, 23 mn). 

 Vulva very broad, jtroduced 



