Occasional Papers of the Museiiyn of Zoology 67 



Male: length of body, 13.3 mm.; of pronotum, 3.1 mm.; of tegmina, 

 6.3 mm.; of posterior femora, 11.8 mm. 



Female: length of body, 9.8 mm.; of pronotum, 2.8 mm.; of teg- 

 mina, 2.9 mm.; of posterior femora, 9.6 mm.; of ovipositor, 

 13.3 mm. 



Female: length of body, 15.0 mm.; of pronotum, 3.5 mm.; of teg- 

 mina, 3.2 mm.; of posterior femora, 13.5 mm.; of ovipositor, 

 21.0 mm. 



Conocephalus nigropleitrnus (Bruner). 



Warren Woods, June 27 to July i, 1919, 3 juvenile males, i juvenile 

 female; September 3, 1919, 2 males, 4 females; July i6, 1920, i 

 juvenile female; September 5 to 7, 1920, 6 males, 3 females. 



New Buffalo, September 2, 1919, i male, i female. 



Sawyer Dunes, July 10, 1920. (Numerous early stage nymphs 

 observed.) 



This species was fairly common in the ravine sedge marshes 

 on and near the Warren Woods Preserve and in the rank 

 herbaceous growth of the Hzard's tail marshes near the pre- 

 serve and at New Buffalo. Nymphs were very common on 

 July 10 among the Chamaedaphne and sedges around the mar- 

 gins of a nearly dry sphagnum bog on the inland side of the 

 dunes. 



DECriCINAE 



Atlanticiis testaceits (Scudder). 

 Warren Woods, July 5, 1919, i male. 

 Sawyer Dunes, July 9 to 12, 1920, 5 males. 



Quite common in the oak dune forest and in fields of second 

 growth scrub and the margins of woods in the inland region. 

 Near the Warren Woods Preserve a male was taken stridu- 

 lating in a shrub on the margin of a brushy ravine ; it was 

 resting on a twig about four feet from the ground. Another 

 was several times seen in this same locality in a similar situa- 

 tion. Specimens were found to be common among the small 

 trees of the oak dune forest near the lake, where the ground 

 was open, with but little undergrowth. Here they were found 



