84 K. JORDAN 



The 'eye is sinuate, the pronotum very strongly punctate, and 

 from the carina to beyond centre broadly depressed, as in X. tho- 

 masius. The puncturation in the middle of the pronotum is 

 variable in extent, there being a median space of variable size 

 without punctures. 



17. Gynaudrocerus antenna lis, Lac. (1866). 

 Fernando Po , one 9 : Bahia de S. Carlos , III. 1 902. 



18. Gynandrocerus thomensis, Jord. (1911). 



Principe, one Q: Bahia do Oeste, V. 1901. 



Described from a single cf from S. Thome. The 9 from Prin- 

 cipe differs in the black areas of the elytra being less broken up 

 by clayish pubescence. 



19. Ir*li.loe©lbins hyx)oxanthus, Jord. (1911). 



S. Thomé, a pair: Ribeira Palma, VII. 1900. 

 Principe, a pair: Roca Inf. D. Henrique, I and IV. 1901. 

 The underside of the Principe specimens is less bright in 

 colour than in the S. Thomé ones. 



20. Derog-raphinm fixl-vum , Jord. (1903). 



S. Thomé, one 9 : Ribeira Palma, IX. 1900. 



The club of the antenna consists of three segments in this 

 sex. The rostrum of the specimen is pubescent white, the head 

 and sides of the pronotum being white spotted with tawny and 

 brown respectively. 



21. Gulamentus nanus, nov. spec, (text-fig. 3). 



9 . Parvus, rufo-brunneus, griseo pubescens brunneo signatus. 

 Caput inter oculos convexum. Antennae articulo 9.° triangulari 

 lateribus parum rotundatis, 10.° basi subrotundato , 11.° duobus 



