Occasional Papers of the Museum of Zoology ii 



zone dominated by bunch grasses ; this habitat covers large 

 areas on the side slopes of many of the blowouts in this region. 

 The bunch grasses grow in irregularly scattered clumps sep- 

 arated by bare spaces of dry sand, the surface of which is 

 freqitently covered with a thin layer of dead grass stems and 

 leaves ; several species of grasses are typically found here, 

 among which Calaniovilfa longifolia Hack, is the most prom- 

 inent. A few other plants, such as Euphorbm corollata Linn., 

 Lithospermum grnelini Hitchc. and an occasional Asclepias 

 syriaca Linn, are found sparingly among the clumps of bunch 

 grass. In this habitat the following species were taken: 



Dissosteira Carolina McUinopIiis aiigitstipciniis* 



Spharagemon collare wyommgia- Scuddcria tcxensis\ 



num* Scuddcria furcata furcataj 



Psinidia fcnestralis Orchelimnm viilgare 



Trimerotropis maritima* Orchelirnum nigripesf 



Melatioplns mexicanus atlanis* Conocephalus nemoralis\ 



Mclanoplus flavidus\ Gryllus assimilis 



Grassy upland habitat. This is found in two phases, one 

 occurring on sandy and the other on loamy or clay soils. 



a. On sandy soils. Examples of this type of habitat are 



fairly common in the dune area in old abandoned clearings on 



the dune ridges, and on the high ground immediately back of 



the dunes. The sand is covered with a very thin and imeven 



layer of humus and dead vegetation, and with a sparse growth 



of grass and xerophytic weeds. Many of these fields are 



overrun with dewberry, vetch, and wild grapevines. Few^ of 



them are pastured, so that the grass is usually from a foot to 



eighteen inches high in the later part of the summer. The 



following species were taken in this habitat: 



Arphia xanthoptera* Melanophis angiistipcniiis* 



Arphia sulphurea* Mclanoplus confustis 



Arphia pseudoniefana Melanophis keeleri luridus 



Schistocerca alutacea rubiginosa* Neoconocephalus robustus crepi- 

 Melanoplus mexicanus atlanis* tans 



