450 PS TCHE. [November iSc)6. 



second subclavate. petiolate, sparsely bristly ; ton, Mass., this year, from March 26 until 

 third cylindrical, bristly; terminal segment AprM 12, inclusive. With pleasure I name 

 subpetiolate, rather blunt, unringed, with it after Mr. Samuel Uenshaw. 

 about ten separated whorls of bristles. Body Types of all the above species have been 

 ovate from above, anteriorly almost naked. given to the Museum of Comparative Z06I- 

 posteriorlv with short, sparse bristles; anal ogy at Cambridge. Mass. 

 tubercle small, bristly, composed of two seg- 

 ments. Both the ventral tube and its pro- 

 cesses are cylindrical and stout. Legs stout, EXPLANATION OF PLATE 10. 

 bristly; tibio-tarsal articulation constricted. 



Superior claw finger-shaped, almost straight, ^'^%- ^' Smvnt/tunis socialis, fore foot, x 

 not dentate; inferior claw two thirds as long, 



triangular with straight outer edge. Tenent Eig. 2. Sinvnthunts socialise mucro,x472. 



hairs two. Furcula short and stout; nianu- Fig. 3. ■' " hind foot. 



brium not exceeding the anal tubercle, 



sparsely bristly; dentes scarcely tapering. Fig. 4. Smynt/iii'-its socialis. modified 



with lateral and ventral rows of separated male antenna, x 171. 



bristles; mucrones two-thirds dentes in Fig. 5. Smyftt^^urns 5e«/y«5, terminal an- 



length, long-triangular with entire margins tennal segment, x 116. 



and rounded apices. Eig. 6. Smvnt/titrits amici/s, fore foot, x 



Maximum lengtli, i.i mm. Described 353. 



from ten types. Fig. 7. Smvif^Jitrits amicus, mucro, X353. 



I found this uncommon species, especially Fig. S- " " hind foot, x 



under tlie bark of dead oak logs, at Arling-' 3s^. 



PARTIAL LIFE-HISTORY OF HALISIDOTA CINCTIPES GROTE. 



liY HARRISON G. DYAR, NEW YORK, N. Y. 



Larva a large Halisidota, like tesselaris, pencil on joints 4 and 12; a few longer pale 



but dark brown or silver gray brown with hairs at the anterior end. Wart iv absent 



all the hair tufts white. Feeding on sea- on the abdomen, leg plate shining; two 



grape, Lake Worth, Florida. warts on joints 3 and 4 above the stigmatal 



I assume eight stages, though some of wart, one below it; joint 2 considerably re- 



thera may be omitted in the actual ontogony. traded. The subdorsal pencil on joint 4 



Stag-e IV. Skin orange brownish, a black arises from tubercle i ; on joint 12 from iii. 



subdorsal shade on joints 5 to 11. connected Stage VII. Head red-brown, a little 



dorsallv at tlie ends and most pronounced blackish immediately above the white line 



there (5 and 11) ; tubercles i to iii black on on labrum and the white bases of the anten- 



5 and II, elsewhere the warts are brownish. nae; width 3.5 mm. Hair thinner than in 



Head round, shining black over apex, brown the following stage, the color of the skin 



below, labrum bright white; width 1.3 mm. visible, violaceous brown with black dorsal 



Hair short, thin, white, with a few black shade and spiracular marks or blackish gray, 



ones, especially on the dark marks and on shading darker stigmatically. Hair brown, 



joints 5 and n ; a short, yellowish subdorsal varying from violaceous browm to chocolate; 



