^°]89x'] PROCEEDINGS OF THE NATIONAL MITSEUM. 555 



black tubercles, sometimes subobsolete ; other siiiiil;ir, but sniallcr 

 tubercles are scattered near the rest oi' the uiarjiiii of the cci)halo- 

 thorax. Mandibles brownish white, with tips of claws dee^) black. 

 Ventral surface of palpi very light brown, almost white; dorsal surface 

 ])rown, fenuir and patella darker than the rest; inner distal an<;le of 

 femur and patella sli<;htl3^ prolon}j;ed in female, scarcely so in male: 

 fenuir, patella, and tibia furnished with rows of spinous tubercles, 

 which on tarsus are represented by similar, but more numer(ms rows 

 of stiff spines. Ventral surface very li.uht brown, almost whitish; 

 coxa' tuberculate, same color as rest of ventrum. Trochanters black, 

 rest of legs cinnamon-brown, darker at articulations; proximal Joints 

 having luimerous spinose tubercles, (lenital organ of male '* robust, 

 sonunvhat flattened, distally alate, bent through its entire length with 

 a double, bow-like curve; at its distal extremity blunt, not bent, with 

 a sharp, slender, straight, projecting point." 



Warren County; Lawrence County, July, 1889. A rare form, bear- 

 ing a close general resemblance to L. grande. It is possible that it is 

 an immature form of (jrande. 



Liobunum grande (Say) Weed. 



(Plate LX VI I.) 



I'ltalaufiiiim (jrandis Say, Jour. Phil. Acad. Nat. S(ii.,ii, 67; Compl. Writings, ii, 11. 



I'lKilitiH/iiuii (jyande Say. Wood, Conim. Essex. Inst., \i, 34, 40. 



I'liaJaiujiiim (jvandi- Say. Underwood, Can. Enr., xxiv, 168. 



I'Juihnxj'mm (f) grande Say. Weed, Bull. 111. State Lab. Nat. Hist., in, 105. 



Astrohiinua {t) gratide (Say). Weed, Anier. Nat., xxiv, 917. 



Liohunnin grande (Say). Weed, Trans. Am. Ent. Soc, xix, 192. 



Male. — Body 9""" long; 5""" wide; palpi G""" long. Legs: first, 21"""; 

 second, 30 ; third, 23'""'; fourth, 32'""'. 



Dorsum minutely tuberculate, with numerous larger, black, spinose 

 tnl)ercles scattered thickly over the surface, being especially numerous 

 on the cephalothorax and anterior i)ortion of abdomen and o(;(mrriiig 

 in a dense quadrangular patch just in front of eye eminence. Dorsum 

 varying from ferruginous-brown to almost black, with numerous small, 

 yellowish, not very distinct spots on the abdomen, airanged in irregu- 

 lar transverse series, sometimes subobsolete, having a dark-brown 

 central vase-shaped marking beginning at the sides of the eye emi- 

 nence, where it is quite broad, and contracting until it reaches the 

 middle of the first abdominal scutum, then gradually exitanding to the 

 middle of the abdomen, then again gradually contracting toward pos- 

 terior extremity; this band sometimes obsolete, or nearly so. Eye 

 eminence black, prominent, numded, somewhat canaliculate, each 

 carina usually having a row of hve or six well develope<l, acute, black, 

 c;)nical tubercles. Segoientation of cephalothorax with abdomen not 

 very distinct, and of anterior abdominal segments nearly obsolete. 

 Palpi dull yellowish-brown, often mottled with black, especially on 



