72 Memoirs of the Indian Museum. [Vol. VII,. 



complete. In other respects this species resembles the preceding one, except that the 

 lateral grooves of the elytra are somewhat more coarsely punctured. 



Solenocyclus grayi (Kaup). 



Semicyclus grayi, Kaup, 1871, p. 28. 



Five specimens from Madagascar, including two from Andakana sent for identification« 

 by M. Guy Babault. Length ßo^-ßö'o mm. 



The head is smooth and glossy except close behind the anterior margin, where there 

 are a few large and more or less coalescent punctures. The outer tubercles, though obtuse,, 

 are distinctly larger than in S. exa atus, and there are no secondary tubercles between, 

 them. The free apex of the central tubercle is much larger than in S. exaratus, and there 

 is no trace of frontal ridges or inner tubercles. 



There are a few punctures in the scars and marginal groove of the pronotum,. 

 the pronotum being otherwise unpunctured. The median groove is not very deeply 

 impressed, and neither it nor the marginal groove are complete in front. Along the- 

 lateral margins of the mesosternum there extends a band of hair-bearing punctures, on 

 the inner side of which the scars are more or less clearly recognizable. The anterior 

 intermediate and lateral areas of the metasternum, and the posterior border of the 

 posterior intermediate areas, are covered with somewhat fine hair-bearing punctures ;. 

 there are no coarse punctures anywhere on the metasternum. The elytra are somewhat 

 hairy at the shoulders. The puncturing of their grooves is more or less obsolete, at least 

 dorsally. 



Genus PENTALOBUS, Kaup, 1868a, p. 17. 

 Inch Didimus, Kaup, 187 1. Also Didimoides+Eumelosomus, Kuwert, 1896. 

 Type, Passalus barbatus, Fabricius, 1801, p. 256. 



Pentalobus klugi (Kaup). 

 Leptaulax klugii, Kaup, 1868a, p. 12. 



Two specimens from Barombi, Cameroons Interior ; one from Abetefi, Ashanti ; one- 

 from Franceville, French Congo ; and several from Gaboon. Length 2 2 "0-25 '5 mm. 



Each antenna bears three short lamellae. The anterior margin of the head bears five- 

 more or less equidistant tubercles. The central and inner tubercles are moderately 

 elevated, and the frontal ridges distinct throughout. The surface of the head is punctured 

 sparsely behind the central tubercle, and somewhat more densely in front. The sides 

 of the pronotum are very broadly and coarsely punctured ; the median groove of the- 

 pronotum is complete ; the marginal groove is incomplete in front. The mesosternum 

 is usually more or less matt with somewhat obscure scars. The anterior intermediate 

 areas of the metasternum are more or less distinctly punctured ; the lateral areas are 

 very sharply denned throughout and are enlarged behind ; the posterior intermediate 

 areas are smooth and glossy. The abdominal sterna are densely and extensively- 

 punctured. The lateral grooves of the elytra are transversely punctured. 



