THK SOI.Pl (,1I».K OF AMEUIOA fl'lNAM. :40 , 



distinct I'roin botli G. .•iuhnljitfi of Say, ami the ' I). forinidahiUs of 

 Simon. P'roni tlic latter it ditfeis in the ;>hape ami armature of the 

 fingers of the falees, and from the former the ditlVrences are much 

 greater. 



One $ collected by J)r. E. Palmer, at Camp Grant, Arizona, con- 

 tained in the museum of the Boston Society of Natural History, and 

 one $ from California kindly sent me by Mr. James Behrens. 



[Uulil the specitnens Ueiv. described can bo more properly referred, they may be desig- 

 uared by the above !<pecifl.c uarae.— H. O. J 



DaTA.MKS GlKATlDII, PUTXA.M. 



' Length, tweuty-two mm., eutire color dark blacki-sh brown, except 

 tarsus and metatarsus of feet are paler, abdomen above shows traces of a 

 broad dorsal band. 



Head, six mm. broad, toui- mm. long, anterior border nearly straight, 

 slightly convex, retreating rapidly at the sides: posterior border, broadly 

 obtiisely trimcated, postorial sides retreating posteriorly; hairs short, tine, 

 sparse; eye prominence, oidy moderately elongated and projected: eyes 

 brown Avith black pii])!!, their interval greater than tlieir diameter: liairs 

 irreguhn- [broken off. | 



Mandibles: base three mm. u[)per tinger four nmi. long; base only moder- 

 ately convex, suddenly contracted at the upper tinger; furnished with nu- 

 merous stiff spiuHs, finer hairs intermingled; upi)er finger one-third loTiger 

 Than the base, subulate, m^arly straight, directed downwards, and slightly 

 outwards, unarmed lieneatii, an elevated obtusely pointed kmib alnn e, near 

 the base; furnished Inside with a brush of stiff brown hairs directed for- 

 wards. Xo.tlagellum. 



The (f(md) of the jaw approximately vertical. j)rol()nged anteriorly at the 

 teetli ; armed witli two rows of three teeth eacii ; the outer row witli ui)per 

 tooth largest, second next, third smallest, inner row small, of nearly equal 

 size; a cavity formed between the two rows of teeth into which the large 

 tooth of the lower tinger tits. 



Lower tinger with a large conical tootii near its base; concaxe inward, 

 convex outward, at its base an elongated conical small tooth ])rojecting for- 

 wards, followed after an interval by a minute denticle, and then by two ob- 

 tusely rounded elevations, a short distance bey<md which the tinger is dis- 

 tinctly constricted; usual brusii of hairs inside; carina on outside extending 

 to point. 



Maxillary palpus: femur seven mm., tibia eight mm., metatarsus six mm., 

 tarsus two nun.; tibia fusiform, tibia and tarsus enlarged toward the ex-frem- 

 ity; femur, tibia ami tarsus with very tine, rather long hairs, .some of 

 them almost spiny; also numerous shorter, fine, pale colored hairs; tibia 

 and metatarsus furnished in addition with very numerous sliort. stiff brown 

 conical spines or very stiff hairs, some of them truncated. 

 [Proc. D. A. X. S., Vol III.] 33 



