118 S. H. Scudder — Miocene Insect-Fauna of CEiiingen. 



the specimen he has figured also does not show the costal edge, or 

 rather represents the costal area as exceedingly narrow, and thus 

 gives a false impression. I have, tlierefore, refigured it here (PI. VJ. 

 Fig. 1). The insect in reality belongs to Drymadusa, Stein, and is 

 distantly allied to the living European B. spectahilis, Stein ; but it 

 differs from it in having straighter and slenderer tegmina, and 

 considerably narrower costal area ; all the other interspaces, too, are 

 narrower, and while the neuration is practically identical, there are 

 no stout distant cross-veins between the principal nervures such 

 as are present in the living species, and especially in its female, 

 though occasionally a single feeble one, or possibly two, may appear 

 between the main branch of the posterior radial and the ulnar at 

 their nearest approximation, or at the base of the former ; as in 

 D. speclabilis, the main branch of the posterior radial arises about 

 opposite the extremity of the mediastinal vein. 



if I have rightly determined as Phaneroptera vetusta, Heer, a 

 number of specimens from QSningen, then that insect belongs to 

 an imdescribed extinct type of Phaneropteridae, apparently allied 

 to Arythcen, Stab, and in which the tegmina are very slender and 

 the main branch of the anterior radial (Brunner's nomenclature) is 

 united near its base to the ulnar vein by an oblique and strong 

 cross-vein ; this main branch has three well separated branchlets, 

 not clustered at the tip ; if the ulnar has an}' branches, they are 

 exceedingly slight and have but a narrow area to cross. The anterior 

 radial runs in the apical half of the tegmina midway between the 

 mediastinal (which extends far towards the apex) and its own main 

 branch, and in the upper of the two interspaces thus formed the 

 cross-veins are tolerably numerous and oblique (transverse apically), 

 in the lower similarly numerous and transverse. 



No Orthoptera belonging to the true Acrididae have heretofore been 

 recognized at ffiningen ; but in Mr. Lacoe's collection is a single 

 specimen (No. 6844) and its reverse of the larger and more im- 

 portant part of one of the tegmina of an insect, showing preity 

 clearly by its form and neuration that it belongs to Acridium in its 

 restricted sense. It may be called Acridium CEidngense (PI. VI. Fig. 2). 

 The posterior branch of the discoidal vein has five branches with 

 an intercalary between each pair ; the median vein forks in the 

 nsual manner, presumably in the middle of the wing, which, if so, 

 is then about 51 mm. in length, indicating an insect about the size 

 of A. tartaricum, Linn. ; the ulnar vein forks a little before the 

 median, its upper branch arching towards, but in no way connected 

 with it ; what is remarkable, and found in no other Acridium or 

 Scliistocerca I have noticed, is that the lower branch of the u^jper 

 fork is itself divided soon after it origin. The close reticulation 

 of the base of the tegmina extends to the middle of the wing, 

 beyond which the cells are quadrangular. There is some indication 

 that the tegmina were broadly mottled or clouded, but this is not 

 certain. The length of the fragment is nearly 36 mm., and its 

 breadth 8 mm. 



The Neuroptera of the collection show at least four undescribed 



