108 OBTHOPTERA. 



H. bolliana minus lata, margine anteriore vix arcuato, fere tota griseo-tessellata ; rami discoidales apicis 

 valde transversa, apicera versus extus subooncave inflexae; campus marginalia dimidia parte basali 

 albescente. Alae vitrese, venis anticis et stigmate opaco-albidis ; margine costali dehinc leviter inquinato. 

 Laminae anales illis B. bolliance similis. 

 Long. 13-5 ; elytr. 18, pronot. 4-25, latit. pronot. 6*25 millim. 



$ (Nympha ?). Eufo-ferruginea, aptera, capite et pedibus testaceis. Lamina supra-analis transversa, margine 

 parum arcuato, leviter inciso. Cerci tuberculiformes. Segmentum ventrale ultimum planum, margine 

 utrinque sinuato, in medio producto, rotundato. 



Long. 13 ; pronot. 4*6, latit. pronot. 7 millim. 



Hdb. Noeth Mexico, State of Chihuahua (Corcelle, Mus. Genavense). 



Obs. Saussure has also described the larva of a Brazilian species of this genus, and 

 Bolivar (Ann. Soc. Ent. Fr. 1890, p. 137) has mentioned the larva of a Venezuelan 

 species, without name. 



[EUTHYRRHAPHA, Burm. 

 Euthyrrhapha, Burmeister, Handb. ii. p. 491 (1839) ; Brunner de W. Syst. Blatt. p. 342. 



1. Euthyrrhapha paciflca, Coqueb. 



Blatta pacifica, Coquebert, Illustr. Iconogr. Insect, iii. p. 91, t. 21. fig. 1 (1804). 

 Cory dia pacifica, Schaum, in Peters's Reise n. Mossamb., Ins. p. 110. 

 Euthyrrhapha pacifica, Brunner de W. Nouv. Syst. Blatt. p. 343. 1. 

 Euthyrrhapha biguttata, Burm. Handb. ii. p. 491. 



Tibiae anteriores supra spin is 2:1, subtus 1 ; intermedia? supra 2:2:2, subtus 1:1; posteriores supra 3:3:3, 

 subtus 1 : 2. 



Hob. Tropical South America, Brazil. — Insula Africans ; Oceania. — Species valde 

 diffusa.] 



HOLOCOMPSA, Burm. 



Holocompsa, Burmeister, Handb. ii. p. 491 (1839) ; Brunner de W. Syst. Blatt. p. 346 (1865) ; 

 Saussure, Miss. Scient. Mex., Orthopt. p. 99. 



The species of this genus are very cosmopolitan, being easily transported by vessels 

 and in merchandise. 



Synopsis speeierum. 



a. Elytra immaculata. 



b. Pronotum et elytra fusca. — [1. cyanea, B.] 

 bb. Pronotum aurantium. — 2. collaris, B. 

 aa. Elytra fusco-maculata : 



b. macula basali et vitta transversa aurantiis. 

 c. Pronoto fusco. — 3. azteca, Sss. 

 cc. Pronoto aurantio, disco fusco. — 4. zapoteca, sp. n. 



