1907.] NATURAL SCIEXCES OF PHILADELPHIA. 77 



Conozoa behrensi Saussure. 



September IS. 19. 

 Trimerotropis vinculata Scuddcr. 



October 17. 6 6", 12$. 

 Anconia Integra Scudder. 



September 24, October 11-18. 10 9 . 



This series presents all color variations, from the nearly uniform 

 green type to a strongly maculate form with the pronotal markings 

 very decided. 



Sohistocerca vaga (Scudder). 



October 10-16. 4 (5^,5 ?. 



These specimens vary considerably in coloration, several females 

 having the dorsum of the pronotum almost unicolorous, while the 

 variation in the intensity of tegminal maculations is very considerable. 

 Schistocerca shoshone (Thomas). 



September 25 to December 15. 5 c?, 9 ? . 



Considerable variation is exhibited by this series in the coloration of 

 the caudal tibiae, shades ranging from pale purplish pink to decided 

 purplish red being present on those parts. 

 Hesperotettix festivus Scudder. 



October 31, November 1-28, 1903. 4 d", 6 ? . 

 Melanoplus herbaceus Bruner. 



November 24 and 26, 1903. 12 c?, 8 9 . 



These specimens are practically intermediate between true herbaceus 

 and flavescens Scudder, which cannot be considered as other than a 

 western race of herbaceus. In color and genital characters this series 

 is truly intermediate, and in the author's opinion we must use the 

 trinomial M. herbaceus flavescens for Scudder's form. 

 Melanoplus piotus Scudder. 



November 18-28, 1903; October 10, 1904. 10 c?, 10 9 . 



This series is clearly referable to this species which was described 

 from Bradshaw Mountain, Yavapai-Maricopa Cos., Arizona. When 

 compared with the original description, the only difference which ap- 

 pears is that the caudal tibiae are "purplish fuscous" or near it in but 

 one specimen, the others ranging from pale glaucous to rather bright 

 blue. There is a certain amount of variation in the actual presence 

 or the intensity of the yellowish line along the lateral angles of the 

 prozona, and in structure there is an appreciable variation in the 

 width of the interspace between the mesosternal lobes, the latter being 

 subcontiguous in one male individual. 



