EUCOPIOCERA.— PEOCTOLABTTS. 265 



parallel on basal three-fifths, the apex produced, the middle longitudinally bicarinated and broadly 

 sulcate. Cerci short, about as long as broad at base, blunt, the apex rounded, marginal apophyses 

 small, black ; a small black tubercle immediately in advance of the base of the cerci. Prosternal spine 

 coarse, enlarged apically and slightly directed to the rear, the upper surface flattened. Inner edges of 

 the mesosternal lobes angulate, touching. 



1. Eucopiocera rubripes, sp. n. (Tab. TIL figg. 26, 26 a, s .) 



General colour above brownish-testaceous, sides of face, lower edges of cheeks, lower edges of pronotum, and 

 mesopleuraB conspicuously streaked with creamy-white ; below pale testaceous. Antennae arising a little 

 in advance of the eyes, brownish-purple, save the immediate base, which is pale. Hind femora greenish 

 externally, reddish internally, the knees also red, as are the hind tibiae and tarsi. Anterior and middle 

 legs olivaceous, the tibiae and tarsi darkest. 



Length of body, 6 , 28 ; of antennae 12-5, of pronotum 3*95, of hind femora 12, of tegmina 4'15 millim. 



Hab. Mexico, Omilteme in Guerrero, 8000 feet (H. H. Smith). 



Only the type-specimen of this species has been examined. It was captured in July. 



PEOCTOLABUS, Saussure. 



Ommatolampis (Proctolabus) , Saussure, Rev. et Mag. Zool. xi. p. 393 (1859); Thomas, Acrid. 



N. Amer. p. 224 (1873). 

 Proctolabus, Stal, Syst. Acrid, i. p. 36 (1878) ; Giglio-Tos, Boll. Mus. Zool. Comp. Anat. Torino, 



xiii. no. 311, p. 46(1898). 



The representatives of the genus Proctolabus, Sauss., seem to be confined to Mexico ; 

 at least this appears to be the case in so far as indicated by the material available for 

 study. Three or four species are at hand. They may be recognized by the annexed 

 table : — 



Synopsis of the Species of Proctolabus. 



A*. Abdomen, together with the <$ cerci, rather strongly tinged with 



coral-red. Apex of the hind femora and base of the tibise black . 1. mexicanus, Sauss. 

 A 2 . Abdomen and cerci of the g not tinged with red. The apex of the 

 hind femora at most a little infuscated internally. 

 b\ Tegmina fully developed in the <J ( ? unknown), as long as the 

 abdomen. Hind femora internally and below coral-red ; the tibise 



dull green or olivaceous 2. gracilis, sp. n. 



b 2 . Tegmina abbreviated, about one-half (<£), or less than ( ? ), the 

 length of the abdomen. Hind femora not red internally and 

 below, except at the apex ; the tibise dull red 3. brachypterus, sp. n. 



1. Proctolabus mexicanus, Saussure. 

 Ommatolampis {Proctolabus) mexicana, Sauss. Rev. et Mag. Zool. xi. p. 393 (1859) \ 

 ? Proctolabus mexicanus, Rehn, Proc. Acad. Nat. Sci. Philad. 1904, p. 533 2 . 



Hab. Mexico, Toluca 1 , Guadalajara in Jalisco 2 , Eio Cocula {0. W. Barrett\ 

 biol. CENTE.-AMEK., Orthopt., Vol. II., May 1908. 2 Mm 



