AMERICAN ORTHOPTERA. 13 



Tropidaeris dux (Drury). 



1773, Gryllus {Locusta) dux Drury, Illust. Nat. Hist., ii, p. 82. pi. xliv. 



Four females; Central America (Acad. Nat. Sci. Phila.) Hon 

 duras. J. E. Hawkins and Dr. J. LeConte (Acad. Nat. Sci. 

 Phila.). Oraoa, Honduras. Dr. J. LeConte (Acad. Nat. Sci. 

 Phila.). Escondido River, fifty miles from Bluefields, Nicaragua. 

 August 26, 1892. Collected by C W. Richmond (U. S. N. M.). 



EPISCOPOTETTIX n. gen 



Allied to Leptysma Stal, but differentiated by the following char 

 acters: the much more elongate and subpyriform vertex and fasti 

 gium, the slightly constricted pronotum and the form of the an- 

 tennas. 



Form very elongate. Head with the vertex and fastigium very 

 much produced, as long as the head posterior to the eyes ; face elon- 

 gate ; antennae elongate, moderately ensiform. Pronotum without 

 definite carinas; metasternal lobes contiguous through over two 

 thirds of the length of the suture ; prosternal spine broad, flat, ex- 

 panded at the apex, the margin arcuate. Tegmina very narrow, 

 greatly elougate. Hind femora elongate, almost reaching the ex- 

 tremity of the abdomen ; tibise slender, no apical spine on the ex- 

 ternal margin. 



Episcopotettix sulci ros Iris n. sp. 



Type ; male ; Forest of San Juan, Mexico. f (Acad. Nat. Sci. 

 Phila.). 



Head mitriform. the interspace between the eyes narrow ; vertex thickly punc- 

 tate, subrugulose, slightly sulcate; fastigium decidedly acuminate, strongly sili- 

 cate; eyes oval, rather prominent; antennae inserted at the base of the fastigium. 

 elongate, flattened, considerably exceeding the head and pronotum, somewhat 

 ensiform basally ; frontal costa very narrow ; sulcate, margins confluent above, 

 very slightly expanding inferiorly. Pronotum without definite carinse, transverse 

 sulci four in number, the anterior broken centrally ; metazona considerably punc- 

 tate ; anterior margin broadly rounded, posterior arcuate ; lower margin of the 

 lateral lobes truncate, subsinuate. Tegmina lanceolate, exceeding the hind femora 

 by their entire length. Anterior and mediau limbs slender ; posterior pair rather 

 elongate, the tibife bearing eight spines on the external and ten to twelve on the 

 internal margins. Subgenital plate basally expanded, the aperture U shaped-. 



* In allusion to the mitriform head. 



t The label on the specimen simply gives the information recorded above. The 

 following localities might be compromised : San Juan, Cuautitlan, State id" .Mexico ; 

 San Juan, Distrito Federal; San Juan, Cordoba, Vera Cruz; San Juan (River . 

 southern Vera Cruz. 



TRANS. AM. ENT. SOC, XXIX. NOVEMBER, 1902. 



