340 STAPHYLINIDA. 
CYRTOTHORAX. 
Cyrtothoraz, Kraatz, Berl. ent. Zeit. 1858, p. 366. 
This genus possesses, besides the Central-American species, two others found in 
Northern South America, and two in the Indo-Chinese peninsula. Mr. Champion 
states that these insects are found in fungus, thus corroborating the statement already 
published by Messrs. Chevrolat and Sallé as to the habits of C. buphthalmus. 
1. Cyrtothorax buphthalmus. 
Bolitogyrus cribripennis, Dej. Cat. 3rd ed. p. 76°. 
Quedius buphthalmus, Er. Gen. et Spec. p. 534°. 
Cyrtothorax sallei, Kr. Berl. ent. Zeit. 11. p. 367°, pl. ii. V h. 
Hab. Mexico!23, Flohr, Cordova (Sallé §& Hége), Tuxtla and Toxpam (Sail/é) ; 
GUATEMALA, Cerro Zunil 4000 to 5000 feet, Las Mercedes 3000 feet, San Gerdnimo 
3000 feet, Sinanja and Chiacam in Vera Paz (Champion). 
This species varies in size and in the colour of the head, thorax, and elytra, which are 
sometimes brassy, sometimes black or blue-black ; also in the punctuation of the head 
and of the sides of the thorax, and also in the width of this latter part; but I have not 
seen enough specimens to warrant me in considering any of the forms distinct species, 
there being only one or two individuals before me from each of the localities. 
Kraatz® alludes to this variation; he speaks also of a difference in the colour of the 
front coxe, but this appears to me probably dependent on the state of preservation of 
the specimens. 
2. Cyrtothorax bullatus. 
Piceus, supra sneo-piceus; antennis extrorsum nigris, pedibus sordide testaceis, femoribus posterioribus fusco 
maculatis ; capite fortiter rugoso, medio plaga circulari, elevata, subleevigata ; prothorace ad latera grosse 
punctato ; elytris fortiter punctatis, valde inzequalibus. 
Long. 73 millim. 
Hab. Panama, Boquete (Champion). 
This insect is closely allied to C. buphthalmus, but is smaller than any individual I 
have seen of the latter species, and is readily distinguished by numerous peculiarities of 
sculpture. The head is a little narrower than the thorax, and is entirely covered with 
coarse sculpture except on the raised, circular, discoidal patch, on which there are only 
a few fine punctures. The thorax is not broader than the elytra, and has a broad space 
on each side very coarsely punctate, the disk being very shining and polished; the 
marginal punctures on the front and hind margins are extremely large, and on the front 
of the disk behind the two middle marginal punctures there are two rather deep, vague 
depressions. ‘The elytra are coarsely punctate, and in addition have their surface more 
