No. 1.] ATTID.E OF CENTRAL AMERICA. 15 



34. Legs of first pair much enlarged, the femur being 



nearl}' as wide a.s long ; longitudinal markings on 

 abdomen, ..... Fuentes pertinax. 

 Unlike the above, .... . . 35 



35. Spiders large, about 12 mm. long ; abdomen yellow 



with longitudinal white bands and black dots, 



Plexippus puerperus. 

 Unlike the above, 36 



36. Quadrangle of ej'es wider behind than in front ; 



white spots on abdomen, ..... 37 

 Quadrangle of eyes equally wide in front and behind ; 

 herring-bone stripe on abdomen, . Balmaceda picta. 



37. Spiders about 6 mm. long; abdomen cylindrical, wdth 



six white marks on posterior part ; no longitudinal 

 markings, .... Balmaceda punctata. 



Spiders 9 to 12 mm. long; abdomen not cylindrical, 

 having two longitudinal dark bands, on which are 

 four pairs of white spots, ..... 



Dendryphantes nitidus (page 53 



88. Legs, 4312, cephalothorax and abdomen marked with 

 six transverse bands of white on a black ground, 



Epiblemum albo-cinctum (page 84 



Unlike the above, ....... 39 



39. Abdomen marked wdth longitudinal bands of black 



and white, ........ 40 



Abdomen without longitudinal marks, ... 41 



40. Abdomen pale with two longitudinal black bands, 



which join in front and behind, .... 



Attus infuscatus(page 73 

 Abdomen dark with pale central longitudinal band, 

 Shira designata (page 86 



41. Cephalothorax and part of abdomen covered with 



white scales, which form an enamelled surface ; 

 legs, 4312, . . . Chapoda festiva (page 26 

 Unlike the above, 42 



