Bui. 416, U. S. Dept. of Agriculture. 



Plate III. 





Variations in the Microscopic Characters of the Palpus and Tarsus and the 

 Bristle Arrangement on the Leg of the Common Red Spider. 



Kio. 1.— Female on pokewecd, Dolhan, Ala.; left pal[)U.s, lateral view. Fig. 2.— Female on cot- 

 ton, Batcsburg, B. C; right palpii.s, lateral view. Fig. 3. — Female on cot I on, Mount I'loasant, 

 Miss.; riglit paipus, lateral view. Fig. 4.— Female on hoi).s, Sacnuncnii), (':il ; Irll, pulims, 

 lat<!ral view. F"io..'). — I>arva on cotton, IJatcsburg, S. C.; left palpo hi ii r;i I \ icw . I i<; li - 

 Larva on beaas, ilagerstown, Md.; rigiit palpus, lateral view. Fio. 7, t iiii;ilr on cliiiiii lurry, 

 f>rlan(io, I''la.; right palpus, lateral view. Fio.H. — Deutonymph on cotton, lialesbrirg, S. ('.; 

 tarsal apfxjndages. FiG.9.— Female on chinal;erry, Orlando, Fla.; tarsal appendages. F^iG. 

 10.— Female on cotton, .Mount I'leasant. Mi.ss.; tarsal appondages. FiG. II. —Larva on beans, 

 Ifagerstown, ,Md. ; tarsal appendages. Fig. 12.— Larva on cotton. Mount I'hiasant, Mi.ss. ; r iglit 

 leg ly. Fig. 1:5.— Female on cotton, Uatesburg, H. V,.; left leg I, dorsal view. I''ig. M.— l''ciriale 

 on chinabcrry. Dolhan, Ala,; left leg I, ventral view. All drawn with oil-imraorsion and camera 

 iucida. llighJy mai/iiified. fOriginal.; 



