NO. 1059. AMERICAN SPEVJE8 OF t^YNALl'IIEUt^—VOUTIKRE. 



79 



The proportions of the anteiiiiular articles are 2, 1.15, 1 ; the fiaoeUa 

 are stout, the external one bifurcated after the fifth article. The 

 stylocerite is usually {» little shorter than the basal article, though 

 often equaling it, especially in the females. 



The superior angle of the basicerite is a right angle, its outer spine 

 very stron'g, a little shorter than the first two articles of the anten- 



FlG. 48. SYNALPHKUS PECTINICKU. a. AXTEitlUU HALF, female; ((', FltOXTAL ANIJ ANTEN- 



NAL REGION, MALE; A', LARGE I'lIELII'ED ; k, SMALL tllELlPEl) OF FIRST PAIR, MALE AND 

 female; k'", FIKGERS OF SMALL t'lIELIPED OF FIRST PAIR; kk'", REVERSE OF SA.ME ; I, 

 FOOT OF SECOND PAIR, MALE AND FEMALE; »l . FOOT OF THIRD PAIR, MALE AND FEMALE; 

 Vl', DACTYL OF THIRD PAIR ; t, TELSON, MALE AND FEMALE. 



nule. The scaphocerite is absolutely without scale in both sexes; 

 the lateral spine which alone represents it has a concave inner mar- 

 gin, and does not even present at its base a convex prominence mark- 

 ing the place of the absent scale ; this spine, at least in its distal half, 

 is more slender than that of the basicerite, in contrast to S. longl- 



