10 PECKHAM. [Vol. 3. 



45. Spiders large, hairy, with five white spots and a white 



basal band on abdomen, . Phidippus Howardii (page 34 

 Unlike the above, 46 



46. Legs, 1432, . . . Euophrys ysobolii (page 65 

 Legs, not 1482, 47 



47. Spiders small, about 3 mm. long, bronze-colored with 



white spots, . Dendryphantes centralis (page 49 



Spiders about 6 mm. long, not bronze-colored, . 



. Balmaceda picta. 



48. Fourth legs longest, 49 



Third legs longest, ....... 51 



49. Legs, 4132; abdomen cylindrical with six white spots 



or short bands on posterior half, . Balmaceda punctata. 

 Unlike the above, 50 



50. Spiders about 5 mm. long; legs, 4312, wdth light 



fringes of hair on the first and second pairs, 



Escambia parvula (page 44 



Spiders about 8 mm. long; legs, 4321, with heavy 

 fringes of hair on first and second pairs, especially 

 on the second, . . Escambia conspecta (page 42 



51. Legs, 3142, .... Hamillus sylvestris (page 71 

 Legs, 3412, 52 



52. Fringes of hair on legs of first, second and third pairs ; 



some red on abdomen, . . Dynamius opimus. 

 Fringes of hair on legs of first pair only ; no red on 

 abdomen, . Habrocestum mexicanum (page 61 



