Sept , 1909. 



SCHAEFFER : FoUR NeW CeRAMBYCID.E. 99 



more than half as long as the penultimate. Antenna; slender. Thorax as in J/. 

 melliger, pronotum nearly as broad as long ; mesoepinotal depression very shallow 

 and rather short in profile ; epinotum rounded, with subequal base and declivity. 

 Petiole less than half as broad as the epinotum, slightly inclined forward, much more 

 compressed anteroposteriorly and with much sharper border than in mellv^e^- and 

 mexicanui or any of their subspecies or varieties. The posterior surface of the petiole 

 is flat, the anterior feebly convex, the border, seen from behind, very faintly im- 

 pressed in the middle. Gaster rather large, capable of considerable distension. 

 Legs long and slender. 



INIandibles subopaque, coarsely striated. Remainder of body shining, very 

 finely and obscurely punctate ; head more glabrous than the thorax and gaster. 



?Iairs and pubescence white, rather long ; the former erect on the body and legs, 

 but not on the antennal scapes ; clypeal and gularammochsetre long and conspicuous. 

 The hairs on the legs are much shorter than those on the body, the pubescence on 

 the head sparser than on the thorax and gaster. 



Body black ; clypeus, antennse, palpi, legs and intersegmental constrictions of 

 gaster piceous or fuscous ; mandibles and mouth sordid yellow. 



Described from fifteen specimens taken by Mr. J. Chester Brad- 

 ley at Otis, in the Mojave Desert, California (Dec. i6, 1908). The 

 two largest workers (measuring 4 mm. ) have the gaster greatly dis- 

 tended and are evidently in a semireplete condition, showing that 

 this species has the honey-storing habits of M. mexicanus and the 

 typical M. melliger. The new species is remarkable on account of 

 its diminutive size, the absence of erect hairs on the antennal scapes, 

 the deep coloration of the body and the peculiar structure of the 

 petiole, which is not thick and blunt in profile as in M. melliger or 

 subcuneate as in M. mexicanus, but much compressed anteroposteri- 

 orly as in certain species of Formica and Camponotiis. 



FOUR NEW CERAMBYCIDiE. 



By Charles Schaeffer, 



Brooklyn, N. V. 



Atylostagma glabrum, new species. 



Pale yellowish-testaceous, upper surface without pubescence, except a narrow 

 transverse basal line of thorax and scutellum and a few scattered erect hairs on head, 

 sides of prothorax and base of elytra. Head coarsely, not densely punctate. Eyes 

 coarsely granulated, lower lobe extending slightly in front of antennal tubercle, the 

 latter widely separated. Antenna; (female) extending to about apical fourth of elytra ; 

 first joint slightly clavate, about as long as second and third together; joints serrate 

 and bispinose, from the third gradually increasing in length, twelfth joint small, about 



